Télétravail & Cybersécurité : Le VPN est-il suffisant&nb ...

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jQuery('#' + id_div); // Au cas on a l'habillage masqué var mask_cdt = ( (typeof(site_config_js.dfp_div_ids.masthead_haut) !== 'undefined' && id_div == site_config_js.dfp_div_ids.masthead_haut) || (is_mobile && typeof(site_config_js.dfp_div_ids.sticky_banner_top) !== 'undefined' && id_div == site_config_js.dfp_div_ids.sticky_banner_top) ); if(mask_cdt) { var mask_id = 'rw_skin_clickMask'; jQuery('.' + mask_id + '_to_remove').remove(); if(typeof element.prev()[0] !== 'undefined' && element.prev()[0] == jQuery('#' + mask_id)[0]) { adPlaceholderFilled = true; jQuery('#' + mask_id).addClass(mask_id + '_to_remove'); var maskChildNewTop = jQuery('#' + mask_id)[0].getBoundingClientRect().top + jQuery(document).scrollTop(); jQuery('#' + mask_id + ' a').css('top', maskChildNewTop + 'px'); jQuery('body') .addClass(mask_id + '_habillage') .addClass('skin_size_1000') .addClass('rw_dfp_skin') .css('backgroundPosition', 'center ' + maskChildNewTop + 'px'); if (is_mobile) { var placeholder = element.closest('.placeholder-pub_dfp, .rwad-with-placeholder'); if (placeholder) { placeholder.css('flexDirection','column'); placeholder.css('minHeight','unset'); element.css('minHeight','unset'); } } } else if(site_config_js.devs.merge_masthead_haut_with_habillage_2599) { // To wait for class to be added setTimeout(function() { if(jQuery('body').hasClass('rw_dfp_skin') && jQuery('body').hasClass('skin_size_1000')) { hideAdPlaceholder(element, true); } }, 0); } } if(!event.isEmpty) { var classes_to_add = 'filled-with-pub'; // Récupérer le width de la pub var width_pub = event.size ? event.size[0] : null; if(width_pub) { classes_to_add += ' has-pub-' + width_pub; } element.addClass(classes_to_add); adPlaceholderFilled = true; } if(adPlaceholderFilled) { hideAdPlaceholder(element, false); } }); }); } }); } function get_utm_value_filtered(utm_name){ const slotsSource = { 'Snap': 'paid_snap', 'TikTok': 'paid_tiktok', 'google': 'paid_google', 'RevC': 'paid_revcontent', 'media10': 'paid_media10', 'cpttraff': 'paid_captain', 'PT_MF': 'paid_powerspace', 'CT_MF': 'paid_powerspace', 'PA_MF': 'paid_powerspace', 'twitter': 'paid_twitter', 'IVIDENCE': 'paid_ividence', 'supremedia': 'paid_supremedia', 'captaintraffic': 'paid_captain', 'Taboola_mobile': 'paid_taboola', 'Mobile_twitter': 'paid_twitter', 'pausecafein': 'paid_pausecafein', 'Outbrain_mobile': 'paid_outbrain', 'Mobile_facebook': 'paid_facebook', 'Mobile_instagram': 'paid_instagram', 'sprmdfb': 'paid_supremedia', }; if (site_config_js.add_new_elements_to_slotsSource === true) { slotsSource['taboola_desktop'] = slotsSource['Taboola_tablet'] = 'paid_taboola'; slotsSource['Outbrain_desktop'] = slotsSource['Outbrain_tablet'] = 'paid_outbrain'; slotsSource['Desktop_facebook'] = slotsSource['Tablet_facebook'] = 'paid_facebook'; } if (site_config_js.devs.add_new_key_values_3545){ slotsSource['trc.taboola.com'] = slotsSource['api.taboola.com'] = slotsSource['Taboola'] = 'paid_taboola'; slotsSource['Outbrain'] = slotsSource['outbrain.com'] = slotsSource['paid.outbrain.com'] = slotsSource['traffic.outbrain.com'] = slotsSource['Outbrain_desktop'] = 'paid_outbrain'; slotsSource['captaintraffi4'] = 'paid_captain'; } const lowercaseSlotsSource = Object.keys(slotsSource).reduce((acc, key) => { acc[key.toLowerCase()] = slotsSource[key]; return acc; }, {}); var queryString = window.location.search; var queryParams = new URLSearchParams(queryString); var utm_value = ''; var utm_value_filtered = ''; if (queryParams.has(utm_name)) { utm_value = queryParams.get(utm_name); } if (lowercaseSlotsSource[utm_value.toLowerCase()] !== undefined && site_config_js.devs.display_GAM_keyvalue_parsource_2493) { utm_value_filtered = lowercaseSlotsSource[utm_value.toLowerCase()]; } return utm_value_filtered; } function get_utm_value_sourcetraffic() { var queryString = window.location.search; var queryParams = new URLSearchParams(queryString); var utm_value_sourcetraffic = 'organique'; if (queryParams.has('utm_source')) { utm_value_sourcetraffic = 'paid'; } return utm_value_sourcetraffic; } var visite = 0; if(getCookie('visite')) { visite=0; } else { setCookie('visite',1,30); visite=1; } var gptadslots = []; var googletag = googletag || {cmd:[]}; site_config_js.dfp_slots = site_config_js.dfp_slots || {}; site_config_js.dfp_div_ids = {"interstitiel":"oop","masthead_haut":"banner_atf","mpu_haut":"300_atf","native":"dyninfeed"}; site_config_js.dfp_ids = site_config_js.dfp_ids || []; site_config_js.dfp_formats = {"interstitiel":{"opt_div":"oop","condition":"is_desktop","sizes":"out-of-page","bloc_annonce_level3":"oop"},"masthead_haut":{"position":1,"opt_div":"banner_atf","condition":"is_desktop","sizes":[[728,90],[970,250],[1800,1000],[1,1]],"bloc_annonce_level3":"banner_atf"},"mpu_haut":{"position":2,"opt_div":"300_atf","condition":"is_desktop","sizes":[[300,600],[300,250],[160,600]],"bloc_annonce_level3":"300_atf"},"native":{"position":23,"opt_div":"dyninfeed","sizes":[[300,250],"fluid"],"lazyload":false,"bloc_annonce_level3":"dyninfeed"}}; site_config_js.dfp_adunits = {"interstitiel":{"dfp_id_account":"46980923\/zdnet_fr\/organic","dfp_bloc_annonces_id":"others\/oop"},"masthead_haut":{"dfp_id_account":"46980923\/zdnet_fr\/organic","dfp_bloc_annonces_id":"others\/banner_atf"},"mpu_haut":{"dfp_id_account":"46980923\/zdnet_fr\/organic","dfp_bloc_annonces_id":"others\/300_atf"},"native":{"dfp_id_account":"46980923\/zdnet_fr\/organic","dfp_bloc_annonces_id":"others\/dyninfeed"}}; site_config_js.dfp_targeting = {"interstitiel":{"visite":"[visite]","article_id":[54092],"article_type":["simple"],"auteur":["Extern ZDNet"],"Etiquettes":["cyberattaque","cybercriminalite","teletravail","vpn"],"rubrique_id":[6344]},"masthead_haut":{"pos":[1],"visite":"[visite]","article_id":[54092],"article_type":["simple"],"auteur":["Extern ZDNet"],"Etiquettes":["cyberattaque","cybercriminalite","teletravail","vpn"],"rubrique_id":[6344]},"mpu_haut":{"pos":[2],"visite":"[visite]","article_id":[54092],"article_type":["simple"],"auteur":["Extern ZDNet"],"Etiquettes":["cyberattaque","cybercriminalite","teletravail","vpn"],"rubrique_id":[6344]},"native":{"pos":[23],"visite":"[visite]","article_id":[54092],"article_type":["simple"],"auteur":["Extern ZDNet"],"Etiquettes":["cyberattaque","cybercriminalite","teletravail","vpn"],"rubrique_id":[6344]}}; site_config_js.dfp_roadbloack_formats = []; var reworldAd = reworldAd || {}; reworldAd.que = reworldAd.que || []; var reworldAdUtils = reworldAdUtils || {}; reworldAdUtils.que = reworldAdUtils.que || []; dfp_utm_source_value = get_utm_value_filtered('utm_source'); dfp_utm_sourcetraffic_value = get_utm_value_sourcetraffic(); googletag.cmd.push(function() { /* interstitiel */ gptadslots.push(site_config_js.dfp_slots['interstitiel'] = googletag.defineOutOfPageSlot('/46980923/zdnet_fr/organic/others/oop', 'oop').setTargeting('visite', [visite]).setTargeting('article_id', [54092]).setTargeting('article_type', ["simple"]).setTargeting('auteur', ["Extern ZDNet"]).setTargeting('Etiquettes', ["cyberattaque", "cybercriminalite", "teletravail", "vpn"]).setTargeting('rubrique_id', [6344]).setCollapseEmptyDiv(true).addService(googletag.pubads())); /* masthead_haut */ gptadslots.push(site_config_js.dfp_slots['masthead_haut'] = googletag.defineSlot('/46980923/zdnet_fr/organic/others/banner_atf', [[728,90],[970,250],[1800,1000],[1,1]], 'banner_atf').setTargeting('pos', ['1']).setTargeting('visite', [visite]).setTargeting('article_id', [54092]).setTargeting('article_type', ["simple"]).setTargeting('auteur', ["Extern ZDNet"]).setTargeting('Etiquettes', ["cyberattaque", "cybercriminalite", "teletravail", "vpn"]).setTargeting('rubrique_id', [6344]).setCollapseEmptyDiv(true).addService(googletag.pubads())); /* mpu_haut */ gptadslots.push(site_config_js.dfp_slots['mpu_haut'] = googletag.defineSlot('/46980923/zdnet_fr/organic/others/300_atf', [[300,600],[300,250],[160,600]], '300_atf').setTargeting('pos', ['2']).setTargeting('visite', [visite]).setTargeting('article_id', [54092]).setTargeting('article_type', ["simple"]).setTargeting('auteur', ["Extern ZDNet"]).setTargeting('Etiquettes', ["cyberattaque", "cybercriminalite", "teletravail", "vpn"]).setTargeting('rubrique_id', [6344]).setCollapseEmptyDiv(true).addService(googletag.pubads())); googletag.pubads().disableInitialLoad(); googletag.pubads().setTargeting("content_keywords", ["cyberattaque","cybercriminalite","teletravail","vpn"]).setTargeting("platform", "desktop").setTargeting("content_class", "rg").setTargeting("contenttype", "article").setTargeting("date", "18-10-21").setTargeting("url", "/actualites/teletravail-cybersecurite-le-vpn-est-il-suffisant-39930515.htm").setTargeting("story", "54092").setTargeting("section", "section_news").setTargeting("hasvideo", "false"); googletag.pubads().enableSingleRequest(); googletag.pubads().collapseEmptyDivs(); googletag.pubads().setCentering(true); googletag.enableServices(); console.log('%c => Not lazyloaded ads : ["interstitiel","masthead_haut","mpu_haut"]', 'background: #222; color: #bada55'); console.log('%c => Lazyloaded ads : ["native"]', 'background: #222; color: #bada55'); }); reworldAd.que.push(function() { reworldAd.refresh(); reworldAdUtils.que.push(function() { reworldAdUtils.setPrebidUtilsConfig({adUnit:"/46980923/zdnet_fr/organic", targeting:{"visite":[visite],"article_id":[54092],"article_type":["simple"],"auteur":["Extern ZDNet"],"Etiquettes":["cyberattaque","cybercriminalite","teletravail","vpn"],"rubrique_id":[6344]}}); }); }); </script> <style type="text/css"> div.pub_dfp > div { display: block !important; } </style> <link rel="preconnect" href="//securepubads.g.doubleclick.net" /> <link rel="preconnect" href="//www.googletagservices.com" /> <link rel="preconnect" href="//ad.doubleclick.net" /> <link rel="preconnect" href="//tpc.googlesyndication.com" /> <link rel="preconnect" href="//www.gstatic.com" /> <link rel="preconnect" href="//googleads4.g.doubleclick.net" /> <link rel="preconnect" href="//pagead2.googlesyndication.com" /> <link rel="preconnect" href="//googleads.g.doubleclick.net" /> <script type="rocketlazyloadscript" data-rocketid='partner:bcovery'> function bcovery_script(){ var bs_id_1850='MMPNWGL2'; (function(w,d,s,l,i,u){w[l]=w[l]||[];w[l].push({'gtm.start': new 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Pensez d'abord à la communication !</h3> </div> </a> </div> <h1 class="ed__a-mt">Télétravail & Cybersécurité : Le VPN est-il suffisant ?</h1> <p class="ed__a-chp ed__l"><span>Technologie : </span>Les VPN ont permis aux entreprises de placer très rapidement en télétravail de très nombreux collaborateurs. La solution est mature, simple à mettre en place, mais maintenir ces accès distants n’est pas sans risques.</p> <div class="ed__a-ath has--border"> <div class="ed__a-ath__lght"> <p>Par Alain Clapaud</p> <time datetime="2021-10-18T08:00:00+02:00">Publié le 18/10/2021 à 08:00 | Mis à jour le 18/10/2021 à 08:38 </time> </div> <ul> <li class="read_time"><p class="cn__body-sm cn__font-quaternary"><span class="cnzd__a-icon is--timer"></span>6 min</p></li> <li> <button data-anchor="commentform" class="cnzd__a-btn is--role-primary smooth--anchor"> <span class="cnzd__a-btn__inr cn__body-sm cn__font--700"><span class="cnzd__a-icon is--comments"></span>4</span> </button> </li> <li class="cn__share-article"> <div class="cc__ttp cnzd__a-icon is--share cn__ttp--before-content"> <div class="cc__ttp__ctnr"> <div id='share_1' class='share-buttons'><div class="social blockShare_horizontal "> <ul><li class="social-network rw_btn_share facebook" data-network="facebook"></li><li class="social-network rw_btn_share twitter" data-network="twitter" data-text ="Télétravail & Cybersécurité : Le VPN est-il suffisant ?" data-url="https://www.zdnet.fr/actualites/teletravail-cybersecurite-le-vpn-est-il-suffisant-39930515.htm" data-hashtags="" data-via=""></li><li class="rw_btn_share social-network linkedin" data-network="linkedin"></li> </ul></div></div><script type="rocketlazyloadscript" data-rocket-type='text/javascript'> jQuery(document).ready( function(){ show_default_sharer( '#share_1' , "https:\/\/www.zdnet.fr\/actualites\/teletravail-cybersecurite-le-vpn-est-il-suffisant-39930515.htm","T\u00e9l\u00e9travail & Cybers\u00e9curit\u00e9 : Le VPN est-il suffisant ?","Les VPN ont permis aux entreprises de placer tr\u00e8s rapidement en t\u00e9l\u00e9travail de tr\u00e8s nombreux collaborateurs. La solution est mature, simple \u00e0 mettre en place, mais maintenir ces acc\u00e8s distants n\u2019est pas sans risques.","https:\/\/www.zdnet.fr\/wp-content\/uploads\/zdnet\/2024\/02\/vpn_1200.jpg") ; });</script> </div> </div> </li> </ul> </div> <div class="image_top_single"> <div class="image_a_lune"> <span class="top_img" data-href="https://www.zdnet.fr/wp-content/uploads/zdnet/2024/02/vpn_1200.jpg" title=" Télétravail & Cybersécurité : Le VPN est-il suffisant ?"> <img width="750" height="410" src="https://www.zdnet.fr/wp-content/uploads/zdnet/2024/02/vpn_1200-750x410.jpg" class="img-responsive alignnone size-full pinit-here zoom-it" alt="vpn_1200" decoding="async" data-lazyloading="false" fetchpriority="high" loading="eager" /> </span> </div> </div> <div class="article-content thecontent" itemprop="articleBody"> <div class="cnzd__ed-content"> <p>Qu’il s’agisse de technologies SSL ou IPSec, les VPN ont sauvé beaucoup d’entreprises qui ont dû placer bon nombre de leurs collaborateurs en télétravail en mars 2020. La technologie est relativement simple à mettre en œuvre et a permis de sécuriser les accès distants de centaines, parfois de milliers de collaborateurs. Comme tous les éditeurs de solutions de sécurité, WatchGuard a fait face à un afflux de demandes sans précédent au début du premier confinement. « Nous avons été très sollicités par nos clients pour augmenter le nombre de VPN ouvert sur leurs firewalls », explique Pascal Le Digol, Country Manager France chez WatchGuard. « Depuis une dizaine d’années, nous ne bridons pas le nombre de VPN en fonction d’un nombre de licences. La limite maximale est dictée par la puissance du boîtier. Les clients ont donc souhaité upgrader leurs boîtiers pour faire face à l’afflux de nouvelles connexions, ou l’ajout de firewalls virtuels. »<div id=dfp_inread class=DFPinread></div></p> <div class="clearfix"></div><div id="dyninfeed" class="pub_dfp native lazyload-rwad" data-child-adunit="others/dyninfeed" data-position-desktop="23" data-placeholder-width="300" data-placeholder-height="250" ></div> <form id="zdnet_newsletter_inread" action="/inscription" method="POST"> <input type="hidden" id="zdnet_newsletter_category" name="zdnet_newsletter_category" value="zd_news"> <div class="cnzd-col-xxs-12 cnzd__newsletter cnzd_form-layout"> <div class="cnzd_form-layout__title cn__title-sm cn__font-primary">Toute l’actualité de la tech pour les pros chaque jour dans notre newsletter</div> <div class="cnzd_form-layout__input"> <input type="email" value="" id="zdnet_newsletter_email" name="zdnet_newsletter_email" autocomplete="email" placeholder="Adresse mail" required> </div> <div class="cnzd_form-layout__btn"> <input class="cnzd__a-btn is--role-primary connexion-submit" type="submit" value="S'inscrire"> </div> <div class="cnzd_form-layout__cnd nl-description"><a href="/politique-de-confidentialite">En savoir plus sur l’utilisation des données personnelles</a></div> </div> </form> <p>Le VPN est une approche désormais mature, avec globalement deux technologies en lice IPSec et SSL. Considéré comme le plus sûr, le protocole IPSec propose un très haut niveau de sécurité avec le chiffrement de chaque paquet de données. Il présente aussi le désavantage d’être un protocole spécifique qui n’est parfois pas disponible dans certains hôtels, parce que le firewall n’est pas configuré pour le laisser. C’est là que SSL présente l’avantage d’utiliser le même port 443 qu’HTTPS, un protocole qui passe partout. C’est la raison pour laquelle beaucoup de nos clients préfèrent SSL, plus facile à déployer et avec un logiciel client plus léger qui charge moins les machines.</p> <p align="center"><img itemprop="thumbnailUrl" decoding="async" src="data:image/svg+xml,%3Csvg%20xmlns='http://www.w3.org/2000/svg'%20viewBox='0%200%201125%20686'%3E%3C/svg%3E" width="1125" vspace="5" hspace="10" height="686" align="bottom" data-lazy-src="https://www.zdnet.fr/wp-content/uploads/zdnet/2024/02/Palo20Alto20Networks20-20Prisma-SD-WAN-1.jpg"><noscript><img itemprop="thumbnailUrl" decoding="async" src="https://www.zdnet.fr/wp-content/uploads/zdnet/2024/02/Palo20Alto20Networks20-20Prisma-SD-WAN-1.jpg" width="1125" vspace="5" hspace="10" height="686" align="bottom"></noscript> </p> <p align="center"><em>Utiliser de simples liens internet sécurisés par des briques de sécurité dans le cloud, c’est le pari de plus en plus d’entreprises qui misent sur l’approche SD-WAN, en remplacement de leurs réseaux MPLS classique.</em></p> <p>Pour Pascal Le Digol, hormis la phase d’authentification préalable à l’établissement de la communication, un VPN n’a que peu d’impact sur les communications unifiées : « un VPN peut induire un peu de latence, et surtout de la gigue, mais avec les connexions actuelles, VDSL et fibre et les machines actuelles, le VPN ne cause plus aucun problème de ce type ».</p> <h2>Le VPN, une solution fiable, mais pas infaillible</h2> <p>Le VPN est une solution d’accès distant qui fonctionne bien, mais qu’il faut aussi utiliser avec une certaine prudence. Pour l’expert, on ne peut déployer un VPN à grande échelle sans s’entourer de précautions et mettre en place une série de bonnes pratiques, notamment du côté des utilisateurs. « Il ne faut absolument pas déployer un VPN sur une machine personnelle qui n’est pas sécurisée au préalable par l’entreprise. Celle-ci n’a absolument aucune garantie que la machine personnelle de son collaborateur ne porte pas déjà un malware extrêmement dangereux. De même, un simple login/mot de passe ne suffit pas à protéger un accès efficacement. Déployer le MFA (Multi-Factor Access) sur l’accès VPN est absolument indispensable. »</p> <blockquote class="alignRight"> <p>Une fois le VPN mis en place, les PME ont tendance à oublier les enjeux de sécurité. Or, le VPN est un maillon faible bien souvent exploité par les attaquants.</p> <p> <cite>— Pascal Le Digol, Country Manager France WatchGuard</cite></p></blockquote> <p>« C’est une évolution que les PME doivent aujourd’hui suivre, et nous faisons beaucoup de sensibilisation auprès des entreprises, afin de les accompagner dans ce sens. Beaucoup d’entre elles ont mis en place le télétravail en catastrophe et ces accès distants constituent aujourd’hui le maillon faible qui est bien souvent exploité par les attaquants. » Beaucoup de PME qui ont mis en place les VPN au début de la crise sanitaire n’y ont plus touché depuis et beaucoup considère que le niveau de sécurité des entreprises a clairement baissé depuis cette crise et que les solutions temporaires déployées dans l’urgence doivent aujourd’hui être renforcées.</p> <h2>Zero Trust, le futur du VPN</h2> <p>Les experts en cybersécurité s’accordent désormais sur l’architecture qui va succéder au VPN, c’est ce que l’on appelle le ZTNA, acronyme de Zero Trust Network Access. « Le concept de ZTNA change la manière de construire ces VPN pour utilisateurs nomades », estime Hector Avalos, Vice-President Sales Europe, Middle East, Africa & Russia chez Versa Networks. « L’utilisateur doit bien entendu être authentifié et ses échanges chiffrés, mais le plus important en termes de sécurité, c’est que l’utilisateur n’a accès à rien par défaut. Ce sont des règles supplémentaires qui vont permettre d’identifier l’utilisateur, son terminal, notamment pour savoir si son laptop dispose de la dernière version de l’antivirus de l’entreprise. Ensuite, on vérifie qu’il a bien un droit d’accès distant à l’application à laquelle il veut accéder. »</p> <p>« On réalise une microsegmentation applicative qui lui accorde cet accès à ce moment-là. » Le spécialise souligne qu’un tel service ZTNA peut être délivré dans le cloud avec de multiples avantages. D’une part, la mise en place est très rapide : des milliers de nouveaux utilisateurs peuvent être connectés via un service cloud. La crise sanitaire a montré la capacité des fournisseurs de solutions cloud à faire monter à l’échelle leurs services et cette capacité de monter en charge est tout aussi pertinente dans le fonctionnement normal d’une entreprise, que ce soit pour un changement de prestataire ou encore une fusion-acquisition qui nécessite d’accorder des accès rapidement à un grand nombre de nouveaux collaborateurs.</p> <p align="center"><img decoding="async" src="data:image/svg+xml,%3Csvg%20xmlns='http://www.w3.org/2000/svg'%20viewBox='0%200%20557%20401'%3E%3C/svg%3E" width="557" vspace="5" hspace="10" height="401" align="bottom" data-lazy-src="https://www.zdnet.fr/wp-content/uploads/zdnet/2024/02/64704_radiusCheckpoint-1.png"><noscript><img decoding="async" src="https://www.zdnet.fr/wp-content/uploads/zdnet/2024/02/64704_radiusCheckpoint-1.png" width="557" vspace="5" hspace="10" height="401" align="bottom"></noscript> </p> <p align="center"><em>Rapide à mettre en place, le bon vieux VPN a constitué une bouée de sauvetage pour les entreprises qui ont dû placer beaucoup de leurs collaborateurs en télétravail. Reste désormais à blinder cette infrastructure.</em></p> <p>Cette élasticité du cloud est aussi un bon moyen de se débarrasser une fois pour toutes de la problématique du dimensionnement des boîtiers firewall. C’est le prestataire ZTNA qui ajuste la puissance et la bande passante allouée à l’entreprise en fonction du nombre d’utilisateurs pour lesquels l’entreprise a souscrit l’offre.</p> <h2>Du VPN au SD-WAN, il n’y a qu’un pas...</h2> <p>L’utilisation de simples liens internet sécurisés est une pratique courante pour connecter au système d’information de l’entreprise les collaborateurs nomades ou en télétravail, mais l’approche est de plus en plus utilisée pour faire de l’interconnexion de sites, bien souvent des agences, mais aujourd’hui de bien plus gros site via ce que l’on appelle les réseaux SD-WAN (Software-Defined WAN). La raison est évidente : le coût d’une liaison internet est bien inférieur à celui d’un lien MPLS dédié. « Cette bataille entre MPLS et le VPN existait déjà à la fin des années 90 », rappelle Pascal Le Digol. « Le MPLS avait alors gagné, car les entreprises ont préféré confier la responsabilité du réseau à leur opérateur MPLS. Avec la fibre, les débits offerts par internet, l’arrivée du SD-WAN et la multiplication des ressources placées dans le cloud, on arrive à un moment où les entreprises reconsidèrent leur choix du MPLS. »</p> <p>« C’est un simple retour de balancier vers les VPN. » La balance est en train d’aller du côté des SD-WAN pour des raisons de coût, mais aussi parce que l’environnement applicatif des entreprises évolue à toute vitesse. L’essor des applications SaaS et la migration des ressources informatiques vers le cloud public rendent obsolète l’approche réseau traditionnelle basée sur des liens MPLS fixes qui contraignent les utilisateurs à transiter par l’accès internet de l’entreprise pour accéder aux applications cloud.</p> <blockquote class="alignRight"> <p>Les VPN traditionnels ont une capacité limitée. Cette problématique disparaît avec une offre ZTNA dans le cloud.</p> <p> <cite>— Hector Avalos, Vice-President Versa Networks</cite> </p></blockquote> <p>Versa Networks figure parmi les nombreux acteurs à miser sur le succès de l’approche SD-WAN, à l’image de VMWare, Fortinet, SilverPeak, Cisco ou encore Palo Alto Networks. Hector Avalos souligne l’intérêt de migrer d’un réseau MPLS vers une architecture SD-WAN : « actuellement, les réseaux MPLS d’entreprise et les VPN mis en place pour les utilisateurs nomades et l’interconnexion des petits sites distants sont complètement disjoints. Ce que nous proposons, c’est de permettre une interconnexion de réseaux SD-WAN et cette partie Cloud Delivery, l’accès au cloud. Nous offrons ainsi un portail unique qui permet à l’entreprise de gérer les performances de ses applications, mais aussi l’ensemble des accès nomades ».</p> <p>De manière générale, ce mouvement vers les réseaux SD-WAN et une sécurité des accès de type Zero-Trust convergent vers une architecture de sécurité plus globale baptisée SASE (Secure Access Service Edge), dans laquelle on retrouve ces briques SD-WAN et ZTNA, mais aussi les Firewall as a Service, la sécurité DNS, le CASB pour sécuriser les contenus cloud ou encore les passerelles d’accès sécurisées SWG.</p> <div class="cnzd__related-posts-bloc cnzd__vr--56"> <h1 class="cnzd__m-hdng cn__title-lg cn__font-primary cnzd__vr--16"> / Plus d'actualités </h1> <div class="cnzd-row cnzd__list--16 cnzd__vr--32"> <div class="cnzd-col-xxs-12"> <article class="ed__i-lst"> <figure class="cn__level-two"> <span class="ed__i-lst__l cn__body-xs"> <span data-action="jslink" data-ref="https://www.zdnet.fr/actualites/" title="Actualités"> Actualités </span> </span> <span data-action="jslink" data-ref="https://www.zdnet.fr/actualites/base-de-donnees-en-acces-libre-un-employe-apparente-au-cybercrime-les-gros-bugs-du-doge-406596.htm" title="Base de données en accès libre, un employé apparenté au cybercrime: les gros bugs du Doge"> <img width="365" height="200" decoding="async" src="/rw-placeholder/365/200/image.svg" data-src="https://www.zdnet.fr/wp-content/uploads/zdnet/2025/02/page-daccueil-doge1-365x200.jpg" class="lazy-load cnzd__ar--xxs-s cnzd__ar--xs-s cnzd__ar--sm-s cnzd__ar--md-s cnzd__ar--lg-w cnzd__ar--xl-w zoom-it wp-post-image" alt="Base de données en accès libre, un employé apparenté au cybercrime: les gros bugs du Doge" decoding="async" /><noscript><img width="365" height="200" src="https://www.zdnet.fr/wp-content/uploads/zdnet/2025/02/page-daccueil-doge1-365x200.jpg" class="cnzd__ar--xxs-s cnzd__ar--xs-s cnzd__ar--sm-s cnzd__ar--md-s cnzd__ar--lg-w cnzd__ar--xl-w zoom-it wp-post-image" alt="Base de données en accès libre, un employé apparenté au cybercrime: les gros bugs du Doge" decoding="async" /></noscript> </span> </figure> <div class="ed__i-lst__c"> <h2 class="ed__i-lst__c__h cn__title-sm cn__font-primary--has-hover"> <a href="https://www.zdnet.fr/actualites/base-de-donnees-en-acces-libre-un-employe-apparente-au-cybercrime-les-gros-bugs-du-doge-406596.htm" title="Base de données en accès libre, un employé apparenté au cybercrime: les gros bugs du Doge"> Base de données en accès libre, un employé apparenté au cybercrime: les gros bugs du Doge </a> </h2> <p class="cn__body-md cn__font-primary ed__i-lst__c__txt">L'un des employés de ce service censé débusquer les dépenses indues de l'administration américaine a un profil douteux.</p> <time class="ed__i-lst__c__i cn__body-xs cn__font-quaternary" datetime="2025-02-19T09:00:41+01:00">Par Gabriel Thierry | 19 février 2025</time> </div> </article> </div> <div class="cnzd-col-xxs-12"> <article class="ed__i-lst"> <figure class="cn__level-two"> <span class="ed__i-lst__l cn__body-xs"> <span data-action="jslink" data-ref="https://www.zdnet.fr/actualites/" title="Actualités"> Actualités </span> </span> <span data-action="jslink" data-ref="https://www.zdnet.fr/actualites/largent-nerf-de-la-guerre-sur-lia-et-la-cybersecurite-en-france-406580.htm" title="L’argent nerf de la guerre sur l’IA et la cybersécurité en France"> <img width="365" height="200" decoding="async" src="/rw-placeholder/365/200/image.svg" data-src="https://www.zdnet.fr/wp-content/uploads/zdnet/2024/02/R20et20D-365x200.jpg" class="lazy-load cnzd__ar--xxs-s cnzd__ar--xs-s cnzd__ar--sm-s cnzd__ar--md-s cnzd__ar--lg-w cnzd__ar--xl-w zoom-it wp-post-image" alt="L’argent nerf de la guerre sur l’IA et la cybersécurité en France" decoding="async" /><noscript><img width="365" height="200" src="https://www.zdnet.fr/wp-content/uploads/zdnet/2024/02/R20et20D-365x200.jpg" class="cnzd__ar--xxs-s cnzd__ar--xs-s cnzd__ar--sm-s cnzd__ar--md-s cnzd__ar--lg-w cnzd__ar--xl-w zoom-it wp-post-image" alt="L’argent nerf de la guerre sur l’IA et la cybersécurité en France" decoding="async" /></noscript> </span> </figure> <div class="ed__i-lst__c"> <h2 class="ed__i-lst__c__h cn__title-sm cn__font-primary--has-hover"> <a href="https://www.zdnet.fr/actualites/largent-nerf-de-la-guerre-sur-lia-et-la-cybersecurite-en-france-406580.htm" title="L’argent nerf de la guerre sur l’IA et la cybersécurité en France"> L’argent nerf de la guerre sur l’IA et la cybersécurité en France </a> </h2> <p class="cn__body-md cn__font-primary ed__i-lst__c__txt">Pour les professionnels du numérique en France, l’intelligence artificielle et la cybersécurité s’imposent comme des priorités stratégiques selon Numeum. Néanmoins, les entreprises cravachent pour réunir les financements nécessaires.</p> <time class="ed__i-lst__c__i cn__body-xs cn__font-quaternary" datetime="2025-02-19T08:14:01+01:00">Par Christophe Auffray | 19 février 2025</time> </div> </article> </div> <div class="cnzd-col-xxs-12"> <article class="ed__i-lst"> <figure class="cn__level-two"> <span class="ed__i-lst__l cn__body-xs"> <span data-action="jslink" data-ref="https://www.zdnet.fr/actualites/" title="Actualités"> Actualités </span> </span> <span data-action="jslink" data-ref="https://www.zdnet.fr/actualites/badpilot-le-fer-de-lance-des-hackeurs-russes-de-seashell-blizzard-rapport-microsoft-406544.htm" title="“BadPilot”, le fer de lance des hackeurs russes de Seashell Blizzard (rapport Microsoft)"> <img width="365" height="200" decoding="async" src="/rw-placeholder/365/200/image.svg" data-src="https://www.zdnet.fr/wp-content/uploads/zdnet/2024/03/Russie20cyber20620-365x200.jpg" class="lazy-load cnzd__ar--xxs-s cnzd__ar--xs-s cnzd__ar--sm-s cnzd__ar--md-s cnzd__ar--lg-w cnzd__ar--xl-w zoom-it wp-post-image" alt="“BadPilot”, le fer de lance des hackeurs russes de Seashell Blizzard (rapport Microsoft)" decoding="async" /><noscript><img width="365" height="200" src="https://www.zdnet.fr/wp-content/uploads/zdnet/2024/03/Russie20cyber20620-365x200.jpg" class="cnzd__ar--xxs-s cnzd__ar--xs-s cnzd__ar--sm-s cnzd__ar--md-s cnzd__ar--lg-w cnzd__ar--xl-w zoom-it wp-post-image" alt="“BadPilot”, le fer de lance des hackeurs russes de Seashell Blizzard (rapport Microsoft)" decoding="async" /></noscript> </span> </figure> <div class="ed__i-lst__c"> <h2 class="ed__i-lst__c__h cn__title-sm cn__font-primary--has-hover"> <a href="https://www.zdnet.fr/actualites/badpilot-le-fer-de-lance-des-hackeurs-russes-de-seashell-blizzard-rapport-microsoft-406544.htm" title="“BadPilot”, le fer de lance des hackeurs russes de Seashell Blizzard (rapport Microsoft)"> “BadPilot”, le fer de lance des hackeurs russes de Seashell Blizzard (rapport Microsoft) </a> </h2> <p class="cn__body-md cn__font-primary ed__i-lst__c__txt">L’éditeur américain vient de publier un rapport sur ce sous-groupe chargé de faire main basse sur des accès sensibles. </p> <time class="ed__i-lst__c__i cn__body-xs cn__font-quaternary" datetime="2025-02-18T09:00:23+01:00">Par Gabriel Thierry | 18 février 2025</time> </div> </article> </div> <div class="cnzd-col-xxs-12"> <article class="ed__i-lst"> <figure class="cn__level-two"> <span class="ed__i-lst__l cn__body-xs"> <span data-action="jslink" data-ref="https://www.zdnet.fr/actualites/" title="Actualités"> Actualités </span> </span> <span data-action="jslink" data-ref="https://www.zdnet.fr/actualites/la-caisse-des-depots-victime-dune-fuite-de-donnees-406471.htm" title="La Caisse des dépôts victime d’une fuite de données"> <img width="365" height="200" decoding="async" src="/rw-placeholder/365/200/image.svg" data-src="https://www.zdnet.fr/wp-content/uploads/zdnet/2024/02/Piratage20620-1-365x200.jpg" class="lazy-load cnzd__ar--xxs-s cnzd__ar--xs-s cnzd__ar--sm-s cnzd__ar--md-s cnzd__ar--lg-w cnzd__ar--xl-w zoom-it wp-post-image" alt="La Caisse des dépôts victime d’une fuite de données" decoding="async" /><noscript><img width="365" height="200" src="https://www.zdnet.fr/wp-content/uploads/zdnet/2024/02/Piratage20620-1-365x200.jpg" class="cnzd__ar--xxs-s cnzd__ar--xs-s cnzd__ar--sm-s cnzd__ar--md-s cnzd__ar--lg-w cnzd__ar--xl-w zoom-it wp-post-image" alt="La Caisse des dépôts victime d’une fuite de données" decoding="async" /></noscript> </span> </figure> <div class="ed__i-lst__c"> <h2 class="ed__i-lst__c__h cn__title-sm cn__font-primary--has-hover"> <a href="https://www.zdnet.fr/actualites/la-caisse-des-depots-victime-dune-fuite-de-donnees-406471.htm" title="La Caisse des dépôts victime d’une fuite de données"> La Caisse des dépôts victime d’une fuite de données </a> </h2> <p class="cn__body-md cn__font-primary ed__i-lst__c__txt">Après un accès illégitime à sa plateforme retraite, des données relatives à 70 000 personnes, dont des élus locaux, ont été volées. </p> <time class="ed__i-lst__c__i cn__body-xs cn__font-quaternary" datetime="2025-02-17T10:08:15+01:00">Par Gabriel Thierry | 17 février 2025</time> </div> </article> </div> </div> </div><div class="cnzd__related-posts-bloc cnzd__vr--56"> <h1 class="cnzd__m-hdng cn__title-lg cn__font-primary cnzd__vr--16"> / Plus de guides d'achat </h1> <div class="cnzd-row cnzd__list--16 cnzd__vr--32"> <div class="cnzd-col-xxs-12"> <article class="ed__i-lst"> <figure class="cn__level-two"> <span class="ed__i-lst__l cn__body-xs"> <span data-action="jslink" data-ref="https://www.zdnet.fr/guide-achat/" title="Guide d'achat"> Guide d'achat </span> </span> <span data-action="jslink" data-ref="https://www.zdnet.fr/guide-achat/votre-smartphone-est-il-infecte-par-le-logiciel-espion-pegasus-cette-application-a-1-e-peut-le-verifier-403176.htm" title="Votre smartphone est-il infecté par le logiciel espion Pegasus ? Cette application à 1 € peut le vérifier"> <img width="365" height="200" decoding="async" src="/rw-placeholder/365/200/image.svg" data-src="https://www.zdnet.fr/wp-content/uploads/zdnet/2024/12/gettyimages-1256644997-365x200.webp" class="lazy-load cnzd__ar--xxs-s cnzd__ar--xs-s cnzd__ar--sm-s cnzd__ar--md-s cnzd__ar--lg-w cnzd__ar--xl-w zoom-it wp-post-image" alt="Votre smartphone est-il infecté par le logiciel espion Pegasus ? Cette application à 1 € peut le vérifier" decoding="async" /><noscript><img width="365" height="200" src="https://www.zdnet.fr/wp-content/uploads/zdnet/2024/12/gettyimages-1256644997-365x200.webp" class="cnzd__ar--xxs-s cnzd__ar--xs-s cnzd__ar--sm-s cnzd__ar--md-s cnzd__ar--lg-w cnzd__ar--xl-w zoom-it wp-post-image" alt="Votre smartphone est-il infecté par le logiciel espion Pegasus ? Cette application à 1 € peut le vérifier" decoding="async" /></noscript> </span> </figure> <div class="ed__i-lst__c"> <h2 class="ed__i-lst__c__h cn__title-sm cn__font-primary--has-hover"> <a href="https://www.zdnet.fr/guide-achat/votre-smartphone-est-il-infecte-par-le-logiciel-espion-pegasus-cette-application-a-1-e-peut-le-verifier-403176.htm" title="Votre smartphone est-il infecté par le logiciel espion Pegasus ? Cette application à 1 € peut le vérifier"> Votre smartphone est-il infecté par le logiciel espion Pegasus ? Cette application à 1 € peut le vérifier </a> </h2> <p class="cn__body-md cn__font-primary ed__i-lst__c__txt">iVerifyBasic m'a aidé à rechercher des logiciels espions sur mon téléphone en 5 minutes. Voici comment l'utiliser.</p> <time class="ed__i-lst__c__i cn__body-xs cn__font-quaternary" datetime="2024-12-16T12:13:12+01:00">Par Matene Toure | 16 décembre 2024</time> </div> </article> </div> <div class="cnzd-col-xxs-12"> <article class="ed__i-lst"> <figure class="cn__level-two"> <span class="ed__i-lst__l cn__body-xs"> <span data-action="jslink" data-ref="https://www.zdnet.fr/guide-achat/" title="Guide d'achat"> Guide d'achat </span> </span> <span data-action="jslink" data-ref="https://www.zdnet.fr/guide-achat/test-insta360-link-2-et-2c-des-webcams-au-top-pour-le-travail-et-avec-des-caracteristiques-quapprecieront-les-pros-398049.htm" title="Test Insta360 Link 2 et 2C : des webcams au top pour le travail et avec des caractéristiques qu’apprécieront les pros"> <img width="365" height="200" decoding="async" src="/rw-placeholder/365/200/image.svg" data-src="https://www.zdnet.fr/wp-content/uploads/zdnet/2024/09/insta360-link-2-et-2c-365x200.jpg" class="lazy-load cnzd__ar--xxs-s cnzd__ar--xs-s cnzd__ar--sm-s cnzd__ar--md-s cnzd__ar--lg-w cnzd__ar--xl-w zoom-it wp-post-image" alt="Test Insta360 Link 2 et 2C : des webcams au top pour le travail et avec des caractéristiques qu’apprécieront les pros" decoding="async" /><noscript><img width="365" height="200" src="https://www.zdnet.fr/wp-content/uploads/zdnet/2024/09/insta360-link-2-et-2c-365x200.jpg" class="cnzd__ar--xxs-s cnzd__ar--xs-s cnzd__ar--sm-s cnzd__ar--md-s cnzd__ar--lg-w cnzd__ar--xl-w zoom-it wp-post-image" alt="Test Insta360 Link 2 et 2C : des webcams au top pour le travail et avec des caractéristiques qu’apprécieront les pros" decoding="async" /></noscript> </span> </figure> <div class="ed__i-lst__c"> <h2 class="ed__i-lst__c__h cn__title-sm cn__font-primary--has-hover"> <a href="https://www.zdnet.fr/guide-achat/test-insta360-link-2-et-2c-des-webcams-au-top-pour-le-travail-et-avec-des-caracteristiques-quapprecieront-les-pros-398049.htm" title="Test Insta360 Link 2 et 2C : des webcams au top pour le travail et avec des caractéristiques qu’apprécieront les pros"> Test Insta360 Link 2 et 2C : des webcams au top pour le travail et avec des caractéristiques qu’apprécieront les pros </a> </h2> <p class="cn__body-md cn__font-primary ed__i-lst__c__txt">Si vous souhaitez montrer votre meilleur profil dans les visioconférences, cette nouvelle série de caméras vous garantit une vidéo et un son de haute qualité.</p> <time class="ed__i-lst__c__i cn__body-xs cn__font-quaternary" datetime="2024-09-25T18:06:37+02:00">Par Ant Pruitt | 25 septembre 2024</time> </div> </article> </div> <div class="cnzd-col-xxs-12"> <article class="ed__i-lst"> <figure class="cn__level-two"> <span class="ed__i-lst__l cn__body-xs"> <span data-action="jslink" data-ref="https://www.zdnet.fr/guide-achat/" title="Guide d'achat"> Guide d'achat </span> </span> <span data-action="jslink" data-ref="https://www.zdnet.fr/guide-achat/jeux-olympiques-jai-teste-les-3-meilleurs-vpn-pour-le-streaming-395143.htm" title="Jeux olympiques : j'ai testé les 3 meilleurs VPN pour le streaming"> <img width="365" height="200" decoding="async" src="/rw-placeholder/365/200/image.svg" data-src="https://www.zdnet.fr/wp-content/uploads/zdnet/2024/02/proxy-vs-vpn-big__w1200-365x200.jpg" class="lazy-load cnzd__ar--xxs-s cnzd__ar--xs-s cnzd__ar--sm-s cnzd__ar--md-s cnzd__ar--lg-w cnzd__ar--xl-w zoom-it wp-post-image" alt="Jeux olympiques : j'ai testé les 3 meilleurs VPN pour le streaming" decoding="async" /><noscript><img width="365" height="200" src="https://www.zdnet.fr/wp-content/uploads/zdnet/2024/02/proxy-vs-vpn-big__w1200-365x200.jpg" class="cnzd__ar--xxs-s cnzd__ar--xs-s cnzd__ar--sm-s cnzd__ar--md-s cnzd__ar--lg-w cnzd__ar--xl-w zoom-it wp-post-image" alt="Jeux olympiques : j'ai testé les 3 meilleurs VPN pour le streaming" decoding="async" /></noscript> </span> </figure> <div class="ed__i-lst__c"> <h2 class="ed__i-lst__c__h cn__title-sm cn__font-primary--has-hover"> <a href="https://www.zdnet.fr/guide-achat/jeux-olympiques-jai-teste-les-3-meilleurs-vpn-pour-le-streaming-395143.htm" title="Jeux olympiques : j'ai testé les 3 meilleurs VPN pour le streaming"> Jeux olympiques : j'ai testé les 3 meilleurs VPN pour le streaming </a> </h2> <p class="cn__body-md cn__font-primary ed__i-lst__c__txt">Les Jeux olympiques d'été sont là. Avec le bon service VPN, vous pouvez regarder les JO en streaming sur n'importe quelle chaîne, où que vous soyez dans le monde. Voici comment.</p> <time class="ed__i-lst__c__i cn__body-xs cn__font-quaternary" datetime="2024-07-26T10:31:13+02:00">Par Charlie Osborne | 26 juillet 2024</time> </div> </article> </div> <div class="cnzd-col-xxs-12"> <article class="ed__i-lst"> <figure class="cn__level-two"> <span class="ed__i-lst__l cn__body-xs"> <span data-action="jslink" data-ref="https://www.zdnet.fr/guide-achat/" title="Guide d'achat"> Guide d'achat </span> </span> <span data-action="jslink" data-ref="https://www.zdnet.fr/guide-achat/test-hp-omnibook-x-14-il-a-presque-tout-pour-vous-convertir-a-windows-avec-arm-393969.htm" title="Test HP OmniBook X 14 : il a presque tout pour vous convertir à Windows avec ARM"> <img width="365" height="200" decoding="async" src="/rw-placeholder/365/200/image.svg" data-src="https://www.zdnet.fr/wp-content/uploads/zdnet/2024/07/hp-omnibook-x-14-365x200.webp" class="lazy-load cnzd__ar--xxs-s cnzd__ar--xs-s cnzd__ar--sm-s cnzd__ar--md-s cnzd__ar--lg-w cnzd__ar--xl-w zoom-it wp-post-image" alt="Test HP OmniBook X 14 : il a presque tout pour vous convertir à Windows avec ARM" decoding="async" /><noscript><img width="365" height="200" src="https://www.zdnet.fr/wp-content/uploads/zdnet/2024/07/hp-omnibook-x-14-365x200.webp" class="cnzd__ar--xxs-s cnzd__ar--xs-s cnzd__ar--sm-s cnzd__ar--md-s cnzd__ar--lg-w cnzd__ar--xl-w zoom-it wp-post-image" alt="Test HP OmniBook X 14 : il a presque tout pour vous convertir à Windows avec ARM" decoding="async" /></noscript> </span> </figure> <div class="ed__i-lst__c"> <h2 class="ed__i-lst__c__h cn__title-sm cn__font-primary--has-hover"> <a href="https://www.zdnet.fr/guide-achat/test-hp-omnibook-x-14-il-a-presque-tout-pour-vous-convertir-a-windows-avec-arm-393969.htm" title="Test HP OmniBook X 14 : il a presque tout pour vous convertir à Windows avec ARM"> Test HP OmniBook X 14 : il a presque tout pour vous convertir à Windows avec ARM </a> </h2> <p class="cn__body-md cn__font-primary ed__i-lst__c__txt">Le premier PC du fabricant d’ordinateurs équipé du Snapdragon X Elite de Qualcomm est un ultraportable rapide. Il sera apprécié des télétravailleurs.</p> <time class="ed__i-lst__c__i cn__body-xs cn__font-quaternary" datetime="2024-07-03T12:46:06+02:00">Par Kyle Kucharski | 03 juillet 2024</time> </div> </article> </div> </div> </div><div class="cnzd__related-posts-bloc cnzd__vr--56"> <h1 class="cnzd__m-hdng cn__title-lg cn__font-primary cnzd__vr--16"> / Plus de guides pratiques </h1> <div class="cnzd-row cnzd__list--16 cnzd__vr--32"> <div class="cnzd-col-xxs-12"> <article class="ed__i-lst"> <figure class="cn__level-two"> <span class="ed__i-lst__l cn__body-xs"> <span data-action="jslink" data-ref="https://www.zdnet.fr/pratique/" title="Pratique"> Pratique </span> </span> <span data-action="jslink" data-ref="https://www.zdnet.fr/pratique/pourquoi-redemarrer-votre-telephone-tous-les-jours-est-la-meilleure-defense-contre-les-pirates-informatiques-406004.htm" title="Pourquoi redémarrer votre téléphone tous les jours est la meilleure défense contre les pirates informatiques"> <img width="365" height="200" decoding="async" src="/rw-placeholder/365/200/image.svg" data-src="https://www.zdnet.fr/wp-content/uploads/zdnet/2025/02/reboot-mobile-365x200.jpg" class="lazy-load cnzd__ar--xxs-s cnzd__ar--xs-s cnzd__ar--sm-s cnzd__ar--md-s cnzd__ar--lg-w cnzd__ar--xl-w zoom-it wp-post-image" alt="Pourquoi redémarrer votre téléphone tous les jours est la meilleure défense contre les pirates informatiques" decoding="async" /><noscript><img width="365" height="200" src="https://www.zdnet.fr/wp-content/uploads/zdnet/2025/02/reboot-mobile-365x200.jpg" class="cnzd__ar--xxs-s cnzd__ar--xs-s cnzd__ar--sm-s cnzd__ar--md-s cnzd__ar--lg-w cnzd__ar--xl-w zoom-it wp-post-image" alt="Pourquoi redémarrer votre téléphone tous les jours est la meilleure défense contre les pirates informatiques" decoding="async" /></noscript> </span> </figure> <div class="ed__i-lst__c"> <h2 class="ed__i-lst__c__h cn__title-sm cn__font-primary--has-hover"> <a href="https://www.zdnet.fr/pratique/pourquoi-redemarrer-votre-telephone-tous-les-jours-est-la-meilleure-defense-contre-les-pirates-informatiques-406004.htm" title="Pourquoi redémarrer votre téléphone tous les jours est la meilleure défense contre les pirates informatiques"> Pourquoi redémarrer votre téléphone tous les jours est la meilleure défense contre les pirates informatiques </a> </h2> <p class="cn__body-md cn__font-primary ed__i-lst__c__txt">Les attaques de logiciels espions sur mobiles sont en hausse dans le monde entier. C'est pourquoi il faut traiter votre téléphone comme un ordinateur, selon cet expert en cybersécurité.</p> <time class="ed__i-lst__c__i cn__body-xs cn__font-quaternary" datetime="2025-02-08T09:00:31+01:00">Par Matene Toure | 08 février 2025</time> </div> </article> </div> <div class="cnzd-col-xxs-12"> <article class="ed__i-lst"> <figure class="cn__level-two"> <span class="ed__i-lst__l cn__body-xs"> <span data-action="jslink" data-ref="https://www.zdnet.fr/pratique/" title="Pratique"> Pratique </span> </span> <span data-action="jslink" data-ref="https://www.zdnet.fr/pratique/3-criteres-a-prendre-en-compte-avant-de-choisir-un-vpn-mefiance-avec-les-solutions-gratuites-403764.htm" title="3 critères à prendre en compte avant de choisir un VPN - méfiance avec les solutions gratuites"> <img width="365" height="200" decoding="async" src="/rw-placeholder/365/200/image.svg" data-src="https://www.zdnet.fr/wp-content/uploads/zdnet/2025/01/vpn-choix-365x200.jpg" class="lazy-load cnzd__ar--xxs-s cnzd__ar--xs-s cnzd__ar--sm-s cnzd__ar--md-s cnzd__ar--lg-w cnzd__ar--xl-w zoom-it wp-post-image" alt="3 critères à prendre en compte avant de choisir un VPN - méfiance avec les solutions gratuites" decoding="async" /><noscript><img width="365" height="200" src="https://www.zdnet.fr/wp-content/uploads/zdnet/2025/01/vpn-choix-365x200.jpg" class="cnzd__ar--xxs-s cnzd__ar--xs-s cnzd__ar--sm-s cnzd__ar--md-s cnzd__ar--lg-w cnzd__ar--xl-w zoom-it wp-post-image" alt="3 critères à prendre en compte avant de choisir un VPN - méfiance avec les solutions gratuites" decoding="async" /></noscript> </span> </figure> <div class="ed__i-lst__c"> <h2 class="ed__i-lst__c__h cn__title-sm cn__font-primary--has-hover"> <a href="https://www.zdnet.fr/pratique/3-criteres-a-prendre-en-compte-avant-de-choisir-un-vpn-mefiance-avec-les-solutions-gratuites-403764.htm" title="3 critères à prendre en compte avant de choisir un VPN - méfiance avec les solutions gratuites"> 3 critères à prendre en compte avant de choisir un VPN - méfiance avec les solutions gratuites </a> </h2> <p class="cn__body-md cn__font-primary ed__i-lst__c__txt">Les VPN sont des outils essentiels pour protéger sa confidentialité en ligne. Face à la multitude d'options disponibles, voici les critères clés pour choisir un service de qualité.</p> <time class="ed__i-lst__c__i cn__body-xs cn__font-quaternary" datetime="2025-01-03T07:15:57+01:00">Par Cesar Cadenas | 03 janvier 2025</time> </div> </article> </div> <div class="cnzd-col-xxs-12"> <article class="ed__i-lst"> <figure class="cn__level-two"> <span class="ed__i-lst__l cn__body-xs"> <span data-action="jslink" data-ref="https://www.zdnet.fr/pratique/" title="Pratique"> Pratique </span> </span> <span data-action="jslink" data-ref="https://www.zdnet.fr/pratique/bluesky-si-vous-avez-modifie-votre-identifiant-en-nom-de-domaine-vous-devez-faire-ceci-tout-de-suite-402961.htm" title="Bluesky : si vous avez modifié votre identifiant en nom de domaine, vous DEVEZ faire ceci tout de suite"> <img width="365" height="200" decoding="async" src="/rw-placeholder/365/200/image.svg" data-src="https://www.zdnet.fr/wp-content/uploads/zdnet/2024/12/blue-sky-failure-365x200.webp" class="lazy-load cnzd__ar--xxs-s cnzd__ar--xs-s cnzd__ar--sm-s cnzd__ar--md-s cnzd__ar--lg-w cnzd__ar--xl-w zoom-it wp-post-image" alt="Bluesky : si vous avez modifié votre identifiant en nom de domaine, vous DEVEZ faire ceci tout de suite" decoding="async" /><noscript><img width="365" height="200" src="https://www.zdnet.fr/wp-content/uploads/zdnet/2024/12/blue-sky-failure-365x200.webp" class="cnzd__ar--xxs-s cnzd__ar--xs-s cnzd__ar--sm-s cnzd__ar--md-s cnzd__ar--lg-w cnzd__ar--xl-w zoom-it wp-post-image" alt="Bluesky : si vous avez modifié votre identifiant en nom de domaine, vous DEVEZ faire ceci tout de suite" decoding="async" /></noscript> </span> </figure> <div class="ed__i-lst__c"> <h2 class="ed__i-lst__c__h cn__title-sm cn__font-primary--has-hover"> <a href="https://www.zdnet.fr/pratique/bluesky-si-vous-avez-modifie-votre-identifiant-en-nom-de-domaine-vous-devez-faire-ceci-tout-de-suite-402961.htm" title="Bluesky : si vous avez modifié votre identifiant en nom de domaine, vous DEVEZ faire ceci tout de suite"> Bluesky : si vous avez modifié votre identifiant en nom de domaine, vous DEVEZ faire ceci tout de suite </a> </h2> <p class="cn__body-md cn__font-primary ed__i-lst__c__txt">Il y a une faille majeure dans une option du processus d’enregistrement du réseau social en vogue en ce moment. Et voici comment vous protéger.</p> <time class="ed__i-lst__c__i cn__body-xs cn__font-quaternary" datetime="2024-12-12T18:42:29+01:00">Par David Gewirtz | 12 décembre 2024</time> </div> </article> </div> <div class="cnzd-col-xxs-12"> <article class="ed__i-lst"> <figure class="cn__level-two"> <span class="ed__i-lst__l cn__body-xs"> <span data-action="jslink" data-ref="https://www.zdnet.fr/pratique/" title="Pratique"> Pratique </span> </span> <span data-action="jslink" data-ref="https://www.zdnet.fr/pratique/productivite-cette-substance-chimique-qui-vous-rend-moins-efficace-402853.htm" title="Productivité : cette substance chimique qui vous rend moins efficace"> <img width="365" height="200" decoding="async" src="/rw-placeholder/365/200/image.svg" data-src="https://www.zdnet.fr/wp-content/uploads/zdnet/2024/12/time-money-365x200.webp" class="lazy-load cnzd__ar--xxs-s cnzd__ar--xs-s cnzd__ar--sm-s cnzd__ar--md-s cnzd__ar--lg-w cnzd__ar--xl-w zoom-it wp-post-image" alt="Productivité : cette substance chimique qui vous rend moins efficace" decoding="async" /><noscript><img width="365" height="200" src="https://www.zdnet.fr/wp-content/uploads/zdnet/2024/12/time-money-365x200.webp" class="cnzd__ar--xxs-s cnzd__ar--xs-s cnzd__ar--sm-s cnzd__ar--md-s cnzd__ar--lg-w cnzd__ar--xl-w zoom-it wp-post-image" alt="Productivité : cette substance chimique qui vous rend moins efficace" decoding="async" /></noscript> </span> </figure> <div class="ed__i-lst__c"> <h2 class="ed__i-lst__c__h cn__title-sm cn__font-primary--has-hover"> <a href="https://www.zdnet.fr/pratique/productivite-cette-substance-chimique-qui-vous-rend-moins-efficace-402853.htm" title="Productivité : cette substance chimique qui vous rend moins efficace"> Productivité : cette substance chimique qui vous rend moins efficace </a> </h2> <p class="cn__body-md cn__font-primary ed__i-lst__c__txt">Elle est enfouie au plus profond de nous même et son action, visible de tous, vous empêche de faire des efforts. Voici trois façons d’être plus concentré sur vos objectifs.</p> <time class="ed__i-lst__c__i cn__body-xs cn__font-quaternary" datetime="2024-12-11T15:24:41+01:00">Par Lester Mapp | 11 décembre 2024</time> </div> </article> </div> </div> </div> </div> </div> <div class="related-articles"> <span class="cn__body-lg cn__font--700 related-articles__title">À lire également</span> <ul class="related-articles__content"> <li><a class="cn__body-lg cn__font--700 cn__font-primary" href="https://www.zdnet.fr/pratique/smartphone-une-astuce-simple-pour-prendre-le-dessus-sur-le-chaos-dans-sa-galerie-photo-406602.htm">Smartphone : une astuce simple pour prendre le dessus sur le chaos dans sa galerie photo</a></li> </ul> </div> <ul class="cnzd__a-tg-lst cn__body-sm cnzd__vr--8"> <li> <a class="cn__font-primary--has-hover" href="https://www.zdnet.fr/cyberattaque-4000237415q.htm">Cyberattaque</a> </li> <li> <a class="cn__font-primary--has-hover" href="https://www.zdnet.fr/cybercriminalite-4000093767q.htm">Cybercriminalité</a> </li> <li> <a class="cn__font-primary--has-hover" href="https://www.zdnet.fr/teletravail-4000237993q.htm">Télétravail</a> </li> <li> <a class="cn__font-primary--has-hover" href="https://www.zdnet.fr/vpn-4000237939q.htm">VPN</a> </li> </ul> <form id="zdnet_newsletter_inread" action="/inscription" method="POST"> <input type="hidden" id="zdnet_newsletter_category" name="zdnet_newsletter_category" value="zd_news"> <div class="cnzd-col-xxs-12 cnzd__newsletter cnzd_form-layout"> <div class="cnzd_form-layout__title cn__title-sm cn__font-primary">Toute l’actualité de la tech pour les pros chaque jour dans notre newsletter</div> <div class="cnzd_form-layout__input"> <input type="email" value="" id="zdnet_newsletter_email" name="zdnet_newsletter_email" autocomplete="email" placeholder="Adresse mail" required> </div> <div class="cnzd_form-layout__btn"> <input class="cnzd__a-btn is--role-primary connexion-submit" type="submit" value="S'inscrire"> </div> <div class="cnzd_form-layout__cnd nl-description"><a href="/politique-de-confidentialite">En savoir plus sur l’utilisation des données personnelles</a></div> </div> </form><div class="zd__o-bloc-it cnzd__vr--40"> <div class="zd__o-bloc-it__h"> <h3 class="cn__title-sm cn__font-primary cn__font--600">/ Powercenter</h3> <h4 class="cn__body-md cn__font-primary cn__font--400">3 dossiers IT à découvrir chaque mois</h4> </div> <div class="cnzd-row cnzd__vr--16 zd__o-bloc-it__items is--dark"> <div class="cnzd-col-xxs-12 cnzd-col-sm-4 ed__i-crd-pwr"> <a href="https://www.zdnet.fr/dossier/instaurer-la-confiance-en-ligne-une-affaire-de-pros-4000238192.htm" target="_blank"> <div class="cnzd_folder-container"> <img width="365" height="200" src="data:image/svg+xml,%3Csvg%20xmlns='http://www.w3.org/2000/svg'%20viewBox='0%200%20365%20200'%3E%3C/svg%3E" alt="Comment les opérateurs télécoms accompagnent les entreprises dans leurs moments de vie ?" data-lazy-src="https://www.zdnet.fr/wp-content/uploads/zdnet/2024/02/pic_dossier_400-365x200.jpg"><noscript><img width="365" height="200" src="https://www.zdnet.fr/wp-content/uploads/zdnet/2024/02/pic_dossier_400-365x200.jpg" alt="Comment les opérateurs télécoms accompagnent les entreprises dans leurs moments de vie ?"></noscript> <div class="cnzd__vr--8 cn__body-md cn__font-primary cn__font--700">Instaurer la confiance en ligne, une affaire de pros</div> <div class="ed__i-crd-pwr__desc cnzd__vr--8 cn__body-sm cn__font-primary">La dématérialisation de nombreux processus métiers pose la question de la confiance dans les documents et les transactions entre organisations. 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