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'/startupguide/' : '/digitalguide/'; let salesChannelControllerReferrer = document.referrer || ''; let salesChannelController = {}; salesChannelController.origin = salesChannelControllerOrigin === 'AT' ? 'DE' : salesChannelControllerOrigin; salesChannelController.path = salesChannelControllerPath; salesChannelController.cookies = {}; salesChannelController.requestParameter = {}; salesChannelController.referer = salesChannelControllerReferrer; salesChannelController.requestParameter = getParams(); salesChannelController.cookies = listCookies(); console.info('fetch SCC'); return fetch(url, { cache: 'no-store', method: 'POST', mode: 'cors', headers: { 'Accept': 'application/json', 'Content-Type': 'application/json' }, body: JSON.stringify(salesChannelController) }) .then((response) => { console.info('fetch SCC done'); return response.json(); }) .then((data) => { setSalesChannelController(salesChannelControllerIdentifier, data); return data; }) .catch((error) => { console.info('missing data from salesChannelController'); throw error; }); } } let setSalesChannelController = function(salesChannelControllerIdentifier, data) { sessionStorage.setItem(salesChannelControllerIdentifier, JSON.stringify(data)); } let processSalesChannelController = function(config) { let sCCId = config.salesChannelControllerIdentifier || salesChannelControllerIdentifier; try { if (sCCId && config.url) { setSalesChannelController(sCCId, getSalesChannelController(sCCId, config.url)); } } catch (e) { console.error(e, 'we have a problem with the sales channel controller ' + sCCId) } let salesChannelControllerDataString = sessionStorage.getItem(sCCId) || ''; if (salesChannelControllerDataString) { let salesChannelControllerData = JSON.parse(salesChannelControllerDataString); // @Todo: After successful testing, remove comment from following line // processActionsAndUpdateDl(salesChannelControllerData, guidesDataLayerName); } } function processActionsAndUpdateDl (data, dlName) { if (typeof data.actions !== 'undefined' && data.actions.length >= 1 && window[dlName] !== 'undefined') { for (var i = 0; i <= data.actions.length; i++) { if (typeof data.actions[i] !== 'undefined' && data.actions[i].hasOwnProperty('action') && data.actions[i].hasOwnProperty('actionAttributes')) { if (data.actions[i].action === 'ADD_COOKIE') { if (data.actions[i].actionAttributes['cookie.name'] && data.actions[i].actionAttributes['cookie.value'] && data.actions[i].actionAttributes['cookie.lifetime']) { setCookie( data.actions[i].actionAttributes['cookie.name'], data.actions[i].actionAttributes['cookie.value'], data.actions[i].actionAttributes['cookie.lifetime'], data ); } } if (data.actions[i].action === 'ADD_ACTIONCODE') { if (data.actions[i].actionAttributes['actioncode.code']) { window[dlName].eVar23 = window[dlName].eVar23 || data.actions[i].actionAttributes['actioncode.code']; window[dlName].eVar74 = window[dlName].eVar23; } } if (data.actions[i].action === 'ADD_MEDIUMCODE') { if (data.actions[i].actionAttributes['mediumcode.code']) { window[dlName].eVar22 = data.actions[i].actionAttributes['mediumcode.code'] || window[dlName].eVar22; window[dlName].eVar24 = window[dlName].eVar24 || data.actions[i].actionAttributes['mediumcode.code']; } } if (data.actions[i].action === 'ADD_TRACKINGCODE_COMP') { var itcChannel = ''; var itcProduct = ''; var itcCampaign = ''; if (data.actions[i].actionAttributes.channelcode) { window[dlName].eVar97 = window[dlName].eVar97 || data.actions[i].actionAttributes.channelcode; itcChannel = window[dlName].eVar97; } if (data.actions[i].actionAttributes.productcode) { window[dlName].eVar98 = window[dlName].eVar98 || data.actions[i].actionAttributes.productcode; itcProduct = window[dlName].eVar98; } if (data.actions[i].actionAttributes.campaigncode) { window[dlName].eVar99 = window[dlName].eVar99 || data.actions[i].actionAttributes.campaigncode; itcCampaign = window[dlName].eVar99; } } } } } } window.processSalesChannelController = processSalesChannelController; window.promisedConsentScriptsBefore.push({ scriptOrFunction: 'processSalesChannelController', data: { salesChannelControllerIdentifier: 'salesChannelGuidesPreview', url: 'https://www.ionos.com/shop-api/api/v1/saleschannel' } }); let jentisFn = function () { const jentisConfig = new Map([ ['de', {endpoint: 'https://6zqtim.ionos.de', project: 'ionos_de', jsFile: 'aljmf5.js'}], ['uk', {endpoint: 'https://xxwre7.ionos.co.uk', project: 'ionos_co_uk', jsFile: 'akbbdz.js'}], ['us', {endpoint: 'https://54ft7i.ionos.com', project: 'ionos_com', jsFile: '48gpcp.js'}], ['ca', {endpoint: 'https://nsupig.ionos.ca', project: 'ionos_ca', jsFile: 'j05pa0.js'}], ['fr', {endpoint: 'https://948si5.ionos.fr', project: 'ionos_fr', jsFile: 'b44g5k.js'}], ['es', {endpoint: 'https://v0v7kq.ionos.es', project: 'ionos_es', jsFile: 'bp6upp.js'}], ['it', {endpoint: 'https://kt8986.ionos.it', project: 'ionos_it', jsFile: 'td7zu1.js'}], ['mx', {endpoint: 'https://e5xnsj.ionos.mx', project: 'ionos_mx', jsFile: 'tvjenp.js'}], ['at', {endpoint: 'https://6kudki.ionos.at', project: 'ionos_at', jsFile: '9t1jfx.js'}], ]); let country = window.guidesDataLayer.market.toLowerCase(); const jentisRuntimeConfig = jentisConfig.has(country) ? jentisConfig.get(country) : null; if (jentisRuntimeConfig === null) { throw new Error('Jentis runtime configuration not available!'); } (function (sCDN, sCDNProject, sCDNWorkspace, sCDNVers) { if ( window.localStorage !== null && typeof window.localStorage === "object" && typeof window.localStorage.getItem === "function" && window.sessionStorage !== null && typeof window.sessionStorage === "object" && typeof window.sessionStorage.getItem === "function" ) { sCDNVers = window.sessionStorage.getItem("jts_preview_version") || window.localStorage.getItem("jts_preview_version") || sCDNVers; } window.jentis = window.jentis || {}; window.jentis.config = window.jentis.config || {}; window.jentis.config.frontend = window.jentis.config.frontend || {}; window.jentis.config.frontend.cdnhost = sCDN + "/get/" + sCDNWorkspace + "/web/" + sCDNVers + "/"; window.jentis.config.frontend.vers = sCDNVers; window.jentis.config.frontend.env = sCDNWorkspace; window.jentis.config.frontend.project = sCDNProject; window._jts = window._jts || []; var f = document.getElementsByTagName("script")[0]; var j = document.createElement("script"); j.async = true; j.src = window.jentis.config.frontend.cdnhost + jentisRuntimeConfig.jsFile; f.parentNode.insertBefore(j, f); })(jentisRuntimeConfig.endpoint, jentisRuntimeConfig.project, "live", "_"); window?.ionos?.datalayer?.initConsent(); } const jentisPageView = function () { const dataLayerNs = window.ionos.datalayer.pageview; dataLayerNs.applicationName = window.guidesDataLayer.shopname; dataLayerNs.subShopname = null; dataLayerNs.page = window.guidesDataLayer.prop1; dataLayerNs.productArea = window.guidesDataLayer.eVar1; dataLayerNs.section = window.guidesDataLayer.eVar6; dataLayerNs.hashedIp = null; dataLayerNs.loginStatus = null; dataLayerNs.hashedCustomerId = null; window.dataLayerNs = dataLayerNs; sendData = () => { window?.ionos?.datalayer?.initConsent(); window?.ionos?.datalayer?.pageview?.sendData(); }; window.privacyConsent.invoke( sendData, window.PrivacyConsentEnum.STATISTICS, window.privacyConsent, true, ); window.privacyConsent.initialize(); window?.ionos?.datalayer?.initConsent(); } window.jentisFn = jentisFn; window.jentisPageView = jentisPageView; window.promisedConsentScriptsBefore.push({scriptOrFunction: 'jentisFn'}); window.promisedConsentScriptsAfter.push({scriptOrFunction: 'https://var.uicdn.net/shopsshort/ionos-datalayer/datalayer.min.js'}); window.promisedConsentScriptsAfter.push({scriptOrFunction: 'jentisPageView'}); let hubspot = function () { let hubspotFn = function () { var n = document.createElement("script"); n.setAttribute("id", 'hs-script-loader'); n.async = true; n.defer = true; n.setAttribute("src", 'https://js-eu1.hs-scripts.com/8230984.js'); window.document.head.appendChild(n); }; window.privacyConsent.invoke( hubspotFn, PrivacyConsentEnum.STATISTICS, window.privacyConsent, true ); window.privacyConsent.initialize(); } window.hubspot = hubspot; window.promisedConsentScriptsAfter.push({scriptOrFunction: 'hubspot'}); function consentRelatedScriptsInsertAfter(newNode, existingNode) { existingNode.parentNode.insertBefore(newNode, existingNode.nextSibling); } let consentRelatedScripts = function() { var consentRelatedScriptsFn = document.querySelectorAll('script[type="text/plain"][data-consent]'); console.info(consentRelatedScriptsFn); var consentedFunctions = []; consentRelatedScriptsFn.forEach(function (item) { var consentCategoryFromDataSet = item.dataset.consent || ''; if (consentCategoryFromDataSet !== '') { var consentCategory = consentCategoryFromDataSet.toUpperCase(); if (!(consentCategory in consentedFunctions)) { consentedFunctions[consentCategory] = []; } consentedFunctions[consentCategory].push(item); } }) var activateConsentRelatedScripts = []; for (var consentCategory in consentedFunctions) { activateConsentRelatedScripts[consentCategory] = function() { consentedFunctions[consentCategory].forEach(function(item) { var newScriptContent = item.text; const newScript = document.createElement("script"); newScript.text = newScriptContent; newScript.type = "text/javascript"; newScript.dataset.consentGiven = true; consentRelatedScriptsInsertAfter(newScript, item); }); }; window.privacyConsent.invoke( activateConsentRelatedScripts[consentCategory], PrivacyConsentEnum[consentCategory], window.privacyConsent, false ); window.privacyConsent.initialize(); } } window.consentRelatedScripts = consentRelatedScripts; window.consentRelatedScriptsInsertAfter = consentRelatedScriptsInsertAfter; window.promisedConsentScriptsAfter.push({scriptOrFunction: 'consentRelatedScripts'}); window.promisedConsentScriptsBefore = window.promisedConsentScriptsBefore || []; window.promisedConsentScriptsAfter = window.promisedConsentScriptsAfter || []; loadPromisedConsentScripts({ consentUrl: 'https://www.ionos.com/modules/hosting-common/script/privacy/bundle.js', consentType: 'default', before: window.promisedConsentScriptsBefore, after: window.promisedConsentScriptsAfter }); </script> <script> "use strict"; if (typeof ready !== 'function') { var ready=function(e){"loading"!==document.readyState?e():document.addEventListener?document.addEventListener("DOMContentLoaded",e):document.attachEvent("onreadystatechange",function(){"complete"===document.readyState&&e()})}; } /** Polyfill for NodeList.forEach */ if ('NodeList' in window && !NodeList.prototype.forEach) {NodeList.prototype.forEach = function (callback, thisArg) {thisArg = thisArg || window;for (var i = 0; i < this.length; i++) callback.call(thisArg, this[i], i, this);};} /** Polyfill for HTMLCollection.forEach */ if ('HTMLCollection' in window && !HTMLCollection.prototype.forEach) {HTMLCollection.prototype.forEach = function (callback, thisArg) {thisArg = thisArg || window;for (var i = 0; i < this.length; i++) callback.call(thisArg, this[i], i, this);};} /** Array.prototype.includes() polyfill @author Chris Ferdinandi @license MIT */ if (!Array.prototype.includes) {Array.prototype.includes = function (search, start) {'use strict';if (search instanceof RegExp) throw TypeError('first argument must not be a RegExp');if (start === undefined) start = 0;return this.indexOf(search, start) !== -1;};} /** Polyfill for Element.matches */ if (Element && !Element.prototype.matches) {Element.prototype.matches = Element.prototype.matchesSelector || Element.prototype.mozMatchesSelector || Element.prototype.msMatchesSelector || Element.prototype.oMatchesSelector || Element.prototype.webkitMatchesSelector;} </script> <link class="finalUrl" rel="shortcut icon" href="/favicon.ico" sizes="16x16 24x24 32x32 48x48 64x64 72x72 96x96" type="image/x-icon"><link class="finalUrl" rel="icon" type="image/png" href="/favicon-16x16.png" sizes="16x16"><link class="finalUrl" rel="icon" type="image/png" href="/favicon-24x24.png" sizes="24x24"><link class="finalUrl" rel="icon" type="image/png" href="/favicon-32x32.png" sizes="32x32"><link class="finalUrl" rel="icon" type="image/png" href="/favicon-48x48.png" sizes="48x48"><link class="finalUrl" rel="icon" type="image/png" href="/favicon-64x64.png" sizes="64x64"><link class="finalUrl" rel="icon" type="image/png" href="/favicon-72x72.png" sizes="72x72"><link class="finalUrl" rel="icon" type="image/png" href="/favicon-96x96.png" sizes="96x96"><link class="finalUrl" rel="icon" type="image/png" href="/favicon-256x256.png" sizes="256x256"><link class="finalUrl" rel="icon" href="/favicon.svg" sizes="any" type="image/svg+xml"><link class="finalUrl" rel="apple-touch-icon" type="image/png" href="/apple-touch-icon-180x180.png"><meta name="apple-mobile-web-app-title" content="IONOS Digital Guide"><meta name="msapplication-TileColor" content="#0b2a63"><meta name="theme-color" content="#001b41"><link class="finalUrl" rel="manifest" href="/site.webmanifest"><link rel="preload" class="preload" href="https://www.ionos.com/digitalguide/_assets/b76f27cb02ebc538ac6fbabcf1a88e7f/Images/icons-sprite.svg" as="image"/> <link rel="canonical" href="https://www.ionos.com/digitalguide/tags/security/"/> <link rel="alternate" hreflang="de" href="https://www.ionos.de/digitalguide/tags/sicherheit/"/> <link rel="alternate" hreflang="de-AT" href="https://www.ionos.at/digitalguide/tags/sicherheit/"/> <link rel="alternate" hreflang="de-DE" href="https://www.ionos.de/digitalguide/tags/sicherheit/"/> <link rel="alternate" hreflang="en-CA" href="https://www.ionos.ca/digitalguide/tags/security/"/> <link rel="alternate" hreflang="en-GB" href="https://www.ionos.co.uk/digitalguide/tags/security/"/> <link rel="alternate" hreflang="en-US" href="https://www.ionos.com/digitalguide/tags/security/"/> <link rel="alternate" hreflang="es" href="https://www.ionos.com/es-us/digitalguide/tags/seguridad/"/> <link rel="alternate" hreflang="es-AR" href="https://www.ionos.com/es-us/digitalguide/tags/seguridad/"/> <link rel="alternate" hreflang="es-ES" href="https://www.ionos.es/digitalguide/tags/seguridad/"/> <link rel="alternate" hreflang="es-MX" href="https://www.ionos.mx/digitalguide/tags/seguridad/"/> <link rel="alternate" hreflang="fr" href="https://www.ionos.fr/digitalguide/tags/securite/"/> <link rel="alternate" hreflang="it" href="https://www.ionos.it/digitalguide/tags/sicurezza/"/> <link rel="alternate" hreflang="pt" href="https://www.ionos.com/pt-br/digitalguide/tags/?tx_guides_loadarticleslist%5Baction%5D=list&tx_guides_loadarticleslist%5Bcategory%5D=144&tx_guides_loadarticleslist%5Bcontroller%5D=LoadArticles&cHash=ce896d31ba740827689288774dc21990"/> <link rel="alternate" hreflang="x-default" href="https://www.ionos.com/digitalguide/tags/security/"/> </head> <body class="position-relative page-33" id="page-33"> <nav id="navigation-main" class="navbar brand-header-bg brand-header-color position-fixed fixed-top contain-style" data-bs-theme="dark"><span class="scroll-indicator d-block fixed-top w-100"><span class="d-block brand-scroll-indicator-bg"></span></span><div class="container-fluid container-sm"><a data-linkid="guides.header.logo" class="navbar-brand mx-0 d-flex align-items-center link-internal" href="https://www.ionos.com/digitalguide/" target="_top" title="Digital Guide" data-guides-target-uid="1"><svg class="d-inline-block m-0 brand-logo brand-header-color"><use xlink:href="https://www.ionos.com/digitalguide/_assets/b76f27cb02ebc538ac6fbabcf1a88e7f/Images/icons-sprite.svg#ionos-logo" /></svg><span class="brand-entity d-inline-block m-0 ms-3 brand-header-color lh-1">Digital Guide</span></a><form id="search-bar" class="search-form input-group input-group-sm w-auto mx-5 d-none d-lg-flex flex-fill" role="search" action="https://www.ionos.com/digitalguide/search/" method="POST" autocomplete="off"><span class="input-group-text rounded-start-5 border-0 px-0 brand-header-search-bg"><button 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brand-header-bg brand-header-color" data-bs-hideresize="true" tabindex="-1" id="navbar-products" aria-labelledby="navbar-products"><div class="offcanvas-header"><span class="offcanvas-title h5 brand-header-color" id="offcanvas-label-navigation-products">IONOS Products</span><button type="button" class="btn-close brand-header-color navbar-toggler" data-bs-dismiss="offcanvas" aria-label="Close"></button></div><div class="offcanvas-body pt-0 position-relative align-items-center"><ul class="nav"><li class="nav-item col-12 col-sm-6 col-lg-4 col-xxl-2 px-1 my-2"><span class="nav-link disabled brand-header-muted-color">Domains & SSL</span><ul class="nav flex-column mt-2 pt-2 border-top brand-header-border-color"><li class="nav-item"><a href="https://www.ionos.com/domains/domain-names" target="_top" data-linkid="guides.navigation.products.domains-ssl.domain-names" class="nav-link link-internal">Domain Names</a></li><li class="nav-item"><a href="https://www.ionos.com/domains/domain-check" target="_top" data-linkid="guides.navigation.products.domains-ssl.domain-name-search" class="nav-link link-internal">Domain Name Search</a></li><li class="nav-item"><a href="https://www.ionos.com/domains/domain-transfer" target="_top" data-linkid="guides.navigation.products.domains-ssl.free-domain-transfer" class="nav-link link-internal">Free Domain Transfer</a></li><li class="nav-item"><a href="https://www.ionos.com/domains/com-domain" target="_top" data-linkid="guides.navigation.products.domains-ssl.com-domain" class="nav-link link-internal">.com Domain</a></li><li class="nav-item"><a href="https://www.ionos.com/domains/1-dollar-domains" target="_top" data-linkid="guides.navigation.products.domains-ssl.1-dollar-domain" class="nav-link link-internal">1 Dollar Domain</a></li><li class="nav-item"><a href="https://www.ionos.com/domains/cheap-domain-names" target="_top" data-linkid="guides.navigation.products.domains-ssl.cheap-domain" class="nav-link link-internal">Cheap 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data-linkid="guides.navigation.products.websites-ecommerce.website-platforms" class="nav-link link-internal">Website Platforms</a></li><li class="nav-item"><a href="https://www.ionos.com/websites/templates" target="_top" data-linkid="guides.navigation.products.websites-ecommerce.website-templates" class="nav-link link-internal">Website Templates</a></li><li class="nav-item"><a href="https://www.ionos.com/websites/custom-made-website" target="_top" data-linkid="guides.navigation.products.websites-ecommerce.web-design-services" class="nav-link link-internal">Web Design Services</a></li><li class="nav-item"><a href="https://www.ionos.com/ecommerce-solutions/ecommerce-website-builder" target="_top" data-linkid="guides.navigation.products.websites-ecommerce.ecommerce-website-builder" class="nav-link link-internal">eCommerce Website Builder</a></li><li class="nav-item"><a href="https://www.ionos.com/marketing/local-business-listings" target="_top" data-linkid="guides.navigation.products.websites-ecommerce.search-engine-optimization-tool" class="nav-link link-internal">Search Engine Optimization Tool</a></li></ul></li><li class="nav-item col-12 col-sm-6 col-lg-4 col-xxl-2 px-1 my-2"><span class="nav-link disabled brand-header-muted-color">Hosting & WordPress</span><ul class="nav flex-column mt-2 pt-2 border-top brand-header-border-color"><li class="nav-item"><a href="https://www.ionos.com/hosting/web-hosting" target="_top" data-linkid="guides.navigation.products.hosting-wordpress.web-hosting" class="nav-link link-internal">Web Hosting</a></li><li class="nav-item"><a href="https://www.ionos.com/hosting/managed-wordpress" target="_top" data-linkid="guides.navigation.products.hosting-wordpress.wordpress-hosting" class="nav-link link-internal">WordPress Hosting</a></li><li class="nav-item"><a href="https://www.ionos.com/hosting/1-dollar-web-hosting" target="_top" 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class="my-2 my-lg-5 container-fluid container-sm contain-style"> <div class="row gap-4 contain-style"> <section class="col-12 col-lg-9 contain-style"> <div class="row contain-style g-grid"><div class="col-12"><h1> Security </h1></div><div class="col col-12 col-md-6"><article class="card brand-card-bg rounded-4 overflow-hidden contain-style h-100 w-100" id="article-36185"><img src="https://www.ionos.com/digitalguide/fileadmin/_processed_/a/f/csm_error-t_e483034591.webp" width="1200" height="630" srcset="https://www.ionos.com/digitalguide/fileadmin/_processed_/a/f/csm_error-t_8f267c40d5.webp 513w,https://www.ionos.com/digitalguide/fileadmin/_processed_/a/f/csm_error-t_ed67c65dda.webp 483w,https://www.ionos.com/digitalguide/fileadmin/_processed_/a/f/csm_error-t_5d2c4e52fb.webp 416w,https://www.ionos.com/digitalguide/fileadmin/_processed_/a/f/csm_error-t_8410b6dc96.webp 348w,https://www.ionos.com/digitalguide/fileadmin/_processed_/a/f/csm_error-t_f6b407301c.webp 524w,https://www.ionos.com/digitalguide/fileadmin/_processed_/a/f/csm_error-t_96afaf4c6d.webp 396w,https://www.ionos.com/digitalguide/fileadmin/_processed_/a/f/csm_error-t_fe8d1da082.webp 304w,https://www.ionos.com/digitalguide/fileadmin/_processed_/a/f/csm_error-t_75bd8fc05c.webp 304w" sizes="(min-width: 1680px) 513px,(min-width: 1400px) 483px,(min-width: 1200px) 416px,(min-width: 768px) 348px,(min-width: 576px) 524px,(min-width: 412px) 396px,(min-width: 320px) 304px,(max-width:319px) 304px" title="How to get your domain back after losing domain control" alt="How to get your domain back after losing domain control" loading="lazy" decoding="async" class="img-fluid d-block mx-auto img-format-landscape card-img-top h-auto rounded-top-4" ><span class="media-credits d-flex position-absolute top-0 end-0 start-unset bottom-unset w-auto h-auto fs-sm"><span class="media-artist">iunewind</span><span class="media-source">Shutterstock</span></span><div class="card-body d-flex flex-column p-3"><h2 class="h4 card-title mt-0 mb-3 position-static"><a data-linkid="guides.overview.article.teaser.loss-of-domain-control" class="stretched-link brand-card-color text-decoration-none link-internal" title="How to get your domain back after losing domain control" href="https://www.ionos.com/digitalguide/domains/domain-administration/loss-of-domain-control/" target="_top"> How to get your domain back after losing domain control </a></h2><p class="card-text brand-card-color mt-auto mb-0">When a website suddenly stops responding and you realize you’ve lost domain control, you’re faced with a critical situation. Is it just a technical bug or have cyber criminals possibly hijacked the website? It is important to quickly determine the cause. In this article, we show…</p><div class="mt-2 minh-5 d-flex flex-nowrap overflow-hidden"><ul class="nav d-flex flex-nowrap card-tags-fade-end w-100 gap-2"><li><span class="btn btn-sm btn-default">Security</span></li></ul></div><div class="read-more px-0 pb-0 pt-1 m-0 position-relative end-0 text-end lh-1 d-flex align-items-center justify-content-end"><span class="d-inline-block me-1">Read more</span><svg width="16" height="16" class="icon-arrow-right"><use xlink:href="https://www.ionos.com/digitalguide/_assets/b76f27cb02ebc538ac6fbabcf1a88e7f/Images/icons-sprite.svg#icon-arrow-right"></use></svg></div></div></article></div><div class="col col-12 col-md-6"><article class="card brand-card-bg rounded-4 overflow-hidden contain-style h-100 w-100" id="article-3387"><img src="https://www.ionos.com/digitalguide/fileadmin/_processed_/b/c/csm_produktfotos-gestalten-t_fb1d194a0e.webp" width="1200" height="630" srcset="https://www.ionos.com/digitalguide/fileadmin/_processed_/b/c/csm_produktfotos-gestalten-t_b0fe832c8d.webp 513w,https://www.ionos.com/digitalguide/fileadmin/_processed_/b/c/csm_produktfotos-gestalten-t_cc7e87ba35.webp 483w,https://www.ionos.com/digitalguide/fileadmin/_processed_/b/c/csm_produktfotos-gestalten-t_2231947d29.webp 416w,https://www.ionos.com/digitalguide/fileadmin/_processed_/b/c/csm_produktfotos-gestalten-t_304ab74a53.webp 348w,https://www.ionos.com/digitalguide/fileadmin/_processed_/b/c/csm_produktfotos-gestalten-t_a943566fb2.webp 524w,https://www.ionos.com/digitalguide/fileadmin/_processed_/b/c/csm_produktfotos-gestalten-t_ced2c0b8a2.webp 396w,https://www.ionos.com/digitalguide/fileadmin/_processed_/b/c/csm_produktfotos-gestalten-t_89b7fd77dc.webp 304w,https://www.ionos.com/digitalguide/fileadmin/_processed_/b/c/csm_produktfotos-gestalten-t_044a50f3b0.webp 304w" sizes="(min-width: 1680px) 513px,(min-width: 1400px) 483px,(min-width: 1200px) 416px,(min-width: 768px) 348px,(min-width: 576px) 524px,(min-width: 412px) 396px,(min-width: 320px) 304px,(max-width:319px) 304px" title="How to backup photos" alt="How to backup photos" loading="lazy" decoding="async" class="img-fluid d-block mx-auto img-format-landscape card-img-top h-auto rounded-top-4" ><div class="card-body d-flex flex-column p-3"><h2 class="h4 card-title mt-0 mb-3 position-static"><a data-linkid="guides.overview.article.teaser.photo-backup" class="stretched-link brand-card-color text-decoration-none link-internal" title="How to backup photos" href="https://www.ionos.com/digitalguide/server/security/photo-backup/" target="_top"> How to backup photos </a></h2><p class="card-text brand-card-color mt-auto mb-0">There are many ways to back up photos. Which solutions are best for backing up your own pictures? Ever-improving image qualities lead to larger image files, and that’s why cloud-based photo backups are coming more and more into focus. How safe is it to store your photos there and…</p><div class="mt-2 minh-5 d-flex flex-nowrap overflow-hidden"><ul class="nav d-flex flex-nowrap card-tags-fade-end w-100 gap-2"><li><span class="btn btn-sm btn-default">Security</span></li><li><span class="btn btn-sm btn-default">Tutorials</span></li></ul></div><div class="read-more px-0 pb-0 pt-1 m-0 position-relative end-0 text-end lh-1 d-flex align-items-center justify-content-end"><span class="d-inline-block me-1">Read more</span><svg width="16" height="16" class="icon-arrow-right"><use xlink:href="https://www.ionos.com/digitalguide/_assets/b76f27cb02ebc538ac6fbabcf1a88e7f/Images/icons-sprite.svg#icon-arrow-right"></use></svg></div></div></article></div><div class="col col-12 col-md-6"><article class="card brand-card-bg rounded-4 overflow-hidden contain-style h-100 w-100" id="article-2715"><img src="https://www.ionos.com/digitalguide/fileadmin/_processed_/7/5/csm_siem-t_3aae161d12.webp" width="1200" height="630" srcset="https://www.ionos.com/digitalguide/fileadmin/_processed_/7/5/csm_siem-t_40ff30633b.webp 513w,https://www.ionos.com/digitalguide/fileadmin/_processed_/7/5/csm_siem-t_8af2170b8b.webp 483w,https://www.ionos.com/digitalguide/fileadmin/_processed_/7/5/csm_siem-t_99625b1201.webp 416w,https://www.ionos.com/digitalguide/fileadmin/_processed_/7/5/csm_siem-t_8bf001011e.webp 348w,https://www.ionos.com/digitalguide/fileadmin/_processed_/7/5/csm_siem-t_f6f2b83efd.webp 524w,https://www.ionos.com/digitalguide/fileadmin/_processed_/7/5/csm_siem-t_ff4746d27a.webp 396w,https://www.ionos.com/digitalguide/fileadmin/_processed_/7/5/csm_siem-t_5dc6e1c04b.webp 304w,https://www.ionos.com/digitalguide/fileadmin/_processed_/7/5/csm_siem-t_5a65aa045d.webp 304w" sizes="(min-width: 1680px) 513px,(min-width: 1400px) 483px,(min-width: 1200px) 416px,(min-width: 768px) 348px,(min-width: 576px) 524px,(min-width: 412px) 396px,(min-width: 320px) 304px,(max-width:319px) 304px" title="What is SIEM (Security Information & Event Management)?" alt="What is SIEM (Security Information & Event Management)?" loading="lazy" decoding="async" class="img-fluid d-block mx-auto img-format-landscape card-img-top h-auto rounded-top-4" ><div class="card-body d-flex flex-column p-3"><h2 class="h4 card-title mt-0 mb-3 position-static"><a data-linkid="guides.overview.article.teaser.what-is-siem" class="stretched-link brand-card-color text-decoration-none link-internal" title="What is SIEM (Security Information & Event Management)?" href="https://www.ionos.com/digitalguide/server/security/what-is-siem/" target="_top"> What is SIEM (Security Information & Event Management)? </a></h2><p class="card-text brand-card-color mt-auto mb-0">With timely warnings, cyber threats can be reliably identified and averted. The question is where to get the data from and how to draw the right conclusions. This is where SIEM, short for Security Information & Event Management, comes into play. Any suspicious incidents and…</p><div class="mt-2 minh-5 d-flex flex-nowrap overflow-hidden"><ul class="nav d-flex flex-nowrap card-tags-fade-end w-100 gap-2"><li><span class="btn btn-sm btn-default">Encyclopedia</span></li><li><span class="btn btn-sm btn-default">Security</span></li></ul></div><div class="read-more px-0 pb-0 pt-1 m-0 position-relative end-0 text-end lh-1 d-flex align-items-center justify-content-end"><span class="d-inline-block me-1">Read more</span><svg width="16" height="16" class="icon-arrow-right"><use xlink:href="https://www.ionos.com/digitalguide/_assets/b76f27cb02ebc538ac6fbabcf1a88e7f/Images/icons-sprite.svg#icon-arrow-right"></use></svg></div></div></article></div><div class="col col-12 col-md-6"><article class="card brand-card-bg rounded-4 overflow-hidden contain-style h-100 w-100" id="article-32786"><img src="https://www.ionos.com/digitalguide/fileadmin/_processed_/0/d/csm_authentication_44d123c984.webp" width="1200" height="630" srcset="https://www.ionos.com/digitalguide/fileadmin/_processed_/0/d/csm_authentication_1910334ff0.webp 513w,https://www.ionos.com/digitalguide/fileadmin/_processed_/0/d/csm_authentication_fbf9a99eea.webp 483w,https://www.ionos.com/digitalguide/fileadmin/_processed_/0/d/csm_authentication_221f1e2d7f.webp 416w,https://www.ionos.com/digitalguide/fileadmin/_processed_/0/d/csm_authentication_a3ad7b0681.webp 348w,https://www.ionos.com/digitalguide/fileadmin/_processed_/0/d/csm_authentication_910c6845f7.webp 524w,https://www.ionos.com/digitalguide/fileadmin/_processed_/0/d/csm_authentication_0cfd392351.webp 396w,https://www.ionos.com/digitalguide/fileadmin/_processed_/0/d/csm_authentication_87866a6bcf.webp 304w,https://www.ionos.com/digitalguide/fileadmin/_processed_/0/d/csm_authentication_5f597635ff.webp 304w" sizes="(min-width: 1680px) 513px,(min-width: 1400px) 483px,(min-width: 1200px) 416px,(min-width: 768px) 348px,(min-width: 576px) 524px,(min-width: 412px) 396px,(min-width: 320px) 304px,(max-width:319px) 304px" title="What is XDR (Extended Detection and Response)?" alt="What is XDR (Extended Detection and Response)?" loading="lazy" decoding="async" class="img-fluid d-block mx-auto img-format-landscape card-img-top h-auto rounded-top-4" ><div class="card-body d-flex flex-column p-3"><h2 class="h4 card-title mt-0 mb-3 position-static"><a data-linkid="guides.overview.article.teaser.xdr-extended-detection-and-response" class="stretched-link brand-card-color text-decoration-none link-internal" title="What is XDR (Extended Detection and Response)?" href="https://www.ionos.com/digitalguide/server/tools/xdr-extended-detection-and-response/" target="_top"> What is XDR (Extended Detection and Response)? </a></h2><p class="card-text brand-card-color mt-auto mb-0">Modern IT architectures consist of multiple end devices, applications, clouds and networks. This results in hybrid cyber threats that cannot be reliably fended off with traditional antivirus solutions. XDR (Extended Detection and Response) offers a holistic SaaS security concept…</p><div class="mt-2 minh-5 d-flex flex-nowrap overflow-hidden"><ul class="nav d-flex flex-nowrap card-tags-fade-end w-100 gap-2"><li><span class="btn btn-sm btn-default">Security</span></li></ul></div><div class="read-more px-0 pb-0 pt-1 m-0 position-relative end-0 text-end lh-1 d-flex align-items-center justify-content-end"><span class="d-inline-block me-1">Read more</span><svg width="16" height="16" class="icon-arrow-right"><use xlink:href="https://www.ionos.com/digitalguide/_assets/b76f27cb02ebc538ac6fbabcf1a88e7f/Images/icons-sprite.svg#icon-arrow-right"></use></svg></div></div></article></div><div class="col col-12 col-md-6"><article class="card brand-card-bg rounded-4 overflow-hidden contain-style h-100 w-100" id="article-32787"><img src="https://www.ionos.com/digitalguide/fileadmin/_processed_/5/7/csm_datenschutz-t_8ee515a8e9.webp" width="1200" height="630" srcset="https://www.ionos.com/digitalguide/fileadmin/_processed_/5/7/csm_datenschutz-t_d649f10e05.webp 513w,https://www.ionos.com/digitalguide/fileadmin/_processed_/5/7/csm_datenschutz-t_5db23e5cf5.webp 483w,https://www.ionos.com/digitalguide/fileadmin/_processed_/5/7/csm_datenschutz-t_ad85dfdcfe.webp 416w,https://www.ionos.com/digitalguide/fileadmin/_processed_/5/7/csm_datenschutz-t_c190d5a4b9.webp 348w,https://www.ionos.com/digitalguide/fileadmin/_processed_/5/7/csm_datenschutz-t_c4cef5b805.webp 524w,https://www.ionos.com/digitalguide/fileadmin/_processed_/5/7/csm_datenschutz-t_9c46829735.webp 396w,https://www.ionos.com/digitalguide/fileadmin/_processed_/5/7/csm_datenschutz-t_fca272e142.webp 304w,https://www.ionos.com/digitalguide/fileadmin/_processed_/5/7/csm_datenschutz-t_6d54d0c9d4.webp 304w" sizes="(min-width: 1680px) 513px,(min-width: 1400px) 483px,(min-width: 1200px) 416px,(min-width: 768px) 348px,(min-width: 576px) 524px,(min-width: 412px) 396px,(min-width: 320px) 304px,(max-width:319px) 304px" title="What is endpoint security? How to protect your devices" alt="What is endpoint security? How to protect your devices" loading="lazy" decoding="async" class="img-fluid d-block mx-auto img-format-landscape card-img-top h-auto rounded-top-4" ><div class="card-body d-flex flex-column p-3"><h2 class="h4 card-title mt-0 mb-3 position-static"><a data-linkid="guides.overview.article.teaser.endpoint-security" class="stretched-link brand-card-color text-decoration-none link-internal" title="What is endpoint security? How to protect your devices" href="https://www.ionos.com/digitalguide/server/security/endpoint-security/" target="_top"> What is endpoint security? How to protect your devices </a></h2><p class="card-text brand-card-color mt-auto mb-0">Company networks should be super secure, yet due to the many endpoint and mobile devices, they sometimes exhibit numerous unexpected security flaws. Endpoint security offers both technical solutions and security management practices to address these vulnerabilities. We outline…</p><div class="mt-2 minh-5 d-flex flex-nowrap overflow-hidden"><ul class="nav d-flex flex-nowrap card-tags-fade-end w-100 gap-2"><li><span class="btn btn-sm btn-default">Security</span></li></ul></div><div class="read-more px-0 pb-0 pt-1 m-0 position-relative end-0 text-end lh-1 d-flex align-items-center justify-content-end"><span class="d-inline-block me-1">Read more</span><svg width="16" height="16" class="icon-arrow-right"><use xlink:href="https://www.ionos.com/digitalguide/_assets/b76f27cb02ebc538ac6fbabcf1a88e7f/Images/icons-sprite.svg#icon-arrow-right"></use></svg></div></div></article></div><div class="col col-12 col-md-6"><article class="card brand-card-bg rounded-4 overflow-hidden contain-style h-100 w-100" id="article-31929"><img src="https://www.ionos.com/digitalguide/fileadmin/_processed_/7/e/csm_malware-entfernen-t_62c2f9bbfb.webp" width="1200" height="630" srcset="https://www.ionos.com/digitalguide/fileadmin/_processed_/7/e/csm_malware-entfernen-t_1183134222.webp 513w,https://www.ionos.com/digitalguide/fileadmin/_processed_/7/e/csm_malware-entfernen-t_b0d05d6685.webp 483w,https://www.ionos.com/digitalguide/fileadmin/_processed_/7/e/csm_malware-entfernen-t_ff4ead1ab5.webp 416w,https://www.ionos.com/digitalguide/fileadmin/_processed_/7/e/csm_malware-entfernen-t_963b83f6cf.webp 348w,https://www.ionos.com/digitalguide/fileadmin/_processed_/7/e/csm_malware-entfernen-t_785cbeb0de.webp 524w,https://www.ionos.com/digitalguide/fileadmin/_processed_/7/e/csm_malware-entfernen-t_c8e38bffdb.webp 396w,https://www.ionos.com/digitalguide/fileadmin/_processed_/7/e/csm_malware-entfernen-t_05d6e25768.webp 304w,https://www.ionos.com/digitalguide/fileadmin/_processed_/7/e/csm_malware-entfernen-t_8e9bd0976b.webp 304w" sizes="(min-width: 1680px) 513px,(min-width: 1400px) 483px,(min-width: 1200px) 416px,(min-width: 768px) 348px,(min-width: 576px) 524px,(min-width: 412px) 396px,(min-width: 320px) 304px,(max-width:319px) 304px" title="What is browser hijacking?" alt="What is browser hijacking?" loading="lazy" decoding="async" class="img-fluid d-block mx-auto img-format-landscape card-img-top h-auto rounded-top-4" ><span class="media-credits d-flex position-absolute top-0 end-0 start-unset bottom-unset w-auto h-auto fs-sm"><span class="media-artist">Billion Photos</span><span class="media-source">Shutterstock</span></span><div class="card-body d-flex flex-column p-3"><h2 class="h4 card-title mt-0 mb-3 position-static"><a data-linkid="guides.overview.article.teaser.browser-hijacking" class="stretched-link brand-card-color text-decoration-none link-internal" title="What is browser hijacking?" href="https://www.ionos.com/digitalguide/server/security/browser-hijacking/" target="_top"> What is browser hijacking? </a></h2><p class="card-text brand-card-color mt-auto mb-0">Browser hijacking can enable companies or hackers to seize your sensitive data or even take control of your entire system. In this guide, we’ll delve into what browser hijacking is, what it means for you, the various forms it can assume, and effective strategies to safeguard…</p><div class="mt-2 minh-5 d-flex flex-nowrap overflow-hidden"><ul class="nav d-flex flex-nowrap card-tags-fade-end w-100 gap-2"><li><span class="btn btn-sm btn-default">Encyclopedia</span></li><li><span class="btn btn-sm btn-default">Security</span></li></ul></div><div class="read-more px-0 pb-0 pt-1 m-0 position-relative end-0 text-end lh-1 d-flex align-items-center justify-content-end"><span class="d-inline-block me-1">Read more</span><svg width="16" height="16" class="icon-arrow-right"><use xlink:href="https://www.ionos.com/digitalguide/_assets/b76f27cb02ebc538ac6fbabcf1a88e7f/Images/icons-sprite.svg#icon-arrow-right"></use></svg></div></div></article></div><div class="col col-12 col-md-6"><article class="card brand-card-bg rounded-4 overflow-hidden contain-style h-100 w-100" id="article-37070"><img src="https://www.ionos.com/digitalguide/fileadmin/_processed_/0/a/csm_eprivacy-verordnung-t_b059a01dc4.webp" width="1200" height="630" srcset="https://www.ionos.com/digitalguide/fileadmin/_processed_/0/a/csm_eprivacy-verordnung-t_9177d03d38.webp 513w,https://www.ionos.com/digitalguide/fileadmin/_processed_/0/a/csm_eprivacy-verordnung-t_94b5e605b7.webp 483w,https://www.ionos.com/digitalguide/fileadmin/_processed_/0/a/csm_eprivacy-verordnung-t_d326f686e4.webp 416w,https://www.ionos.com/digitalguide/fileadmin/_processed_/0/a/csm_eprivacy-verordnung-t_f62d96ee18.webp 348w,https://www.ionos.com/digitalguide/fileadmin/_processed_/0/a/csm_eprivacy-verordnung-t_a2b0827509.webp 524w,https://www.ionos.com/digitalguide/fileadmin/_processed_/0/a/csm_eprivacy-verordnung-t_eb99f3a750.webp 396w,https://www.ionos.com/digitalguide/fileadmin/_processed_/0/a/csm_eprivacy-verordnung-t_5dfad66f1e.webp 304w,https://www.ionos.com/digitalguide/fileadmin/_processed_/0/a/csm_eprivacy-verordnung-t_ba38d08d5d.webp 304w" sizes="(min-width: 1680px) 513px,(min-width: 1400px) 483px,(min-width: 1200px) 416px,(min-width: 768px) 348px,(min-width: 576px) 524px,(min-width: 412px) 396px,(min-width: 320px) 304px,(max-width:319px) 304px" title="What is NIS2? Everything you need to know about the EU cybersecurity directive" alt="What is NIS2? Everything you need to know about the EU cybersecurity directive" loading="lazy" decoding="async" class="img-fluid d-block mx-auto img-format-landscape card-img-top h-auto rounded-top-4" ><div class="card-body d-flex flex-column p-3"><h2 class="h4 card-title mt-0 mb-3 position-static"><a data-linkid="guides.overview.article.teaser.nis2-directive" class="stretched-link brand-card-color text-decoration-none link-internal" title="What is NIS2? Everything you need to know about the EU cybersecurity directive" href="https://www.ionos.com/digitalguide/server/security/nis2-directive/" target="_top"> What is NIS2? Everything you need to know about the EU cybersecurity directive </a></h2><p class="card-text brand-card-color mt-auto mb-0">As the business world becomes increasingly more digital, the importance of resilience in the face of cyberthreats and IT problems continues to rise. With the NIS2 Directive, the EU has introduced a set of rules designed to minimize cybersecurity risks and standardize and maximize…</p><div class="mt-2 minh-5 d-flex flex-nowrap overflow-hidden"><ul class="nav d-flex flex-nowrap card-tags-fade-end w-100 gap-2"><li><span class="btn btn-sm btn-default">Security</span></li></ul></div><div class="read-more px-0 pb-0 pt-1 m-0 position-relative end-0 text-end lh-1 d-flex align-items-center justify-content-end"><span class="d-inline-block me-1">Read more</span><svg width="16" height="16" class="icon-arrow-right"><use xlink:href="https://www.ionos.com/digitalguide/_assets/b76f27cb02ebc538ac6fbabcf1a88e7f/Images/icons-sprite.svg#icon-arrow-right"></use></svg></div></div></article></div><div class="col col-12 col-md-6"><article class="card brand-card-bg rounded-4 overflow-hidden contain-style h-100 w-100" id="article-31211"><img src="https://www.ionos.com/digitalguide/fileadmin/_processed_/3/6/csm_Cyberangriff-t_0b29fb170d.webp" width="1200" height="630" srcset="https://www.ionos.com/digitalguide/fileadmin/_processed_/3/6/csm_Cyberangriff-t_da1431d236.webp 513w,https://www.ionos.com/digitalguide/fileadmin/_processed_/3/6/csm_Cyberangriff-t_7dd6b60e82.webp 483w,https://www.ionos.com/digitalguide/fileadmin/_processed_/3/6/csm_Cyberangriff-t_c48516b0e7.webp 416w,https://www.ionos.com/digitalguide/fileadmin/_processed_/3/6/csm_Cyberangriff-t_73b80e1ad6.webp 348w,https://www.ionos.com/digitalguide/fileadmin/_processed_/3/6/csm_Cyberangriff-t_26923e3d7d.webp 524w,https://www.ionos.com/digitalguide/fileadmin/_processed_/3/6/csm_Cyberangriff-t_17f949e8a5.webp 396w,https://www.ionos.com/digitalguide/fileadmin/_processed_/3/6/csm_Cyberangriff-t_854941fb7a.webp 304w,https://www.ionos.com/digitalguide/fileadmin/_processed_/3/6/csm_Cyberangriff-t_1aa0d3f2e4.webp 304w" sizes="(min-width: 1680px) 513px,(min-width: 1400px) 483px,(min-width: 1200px) 416px,(min-width: 768px) 348px,(min-width: 576px) 524px,(min-width: 412px) 396px,(min-width: 320px) 304px,(max-width:319px) 304px" title="What is an intrusion detection system (IDS)?" alt="What is an intrusion detection system (IDS)?" loading="lazy" decoding="async" class="img-fluid d-block mx-auto img-format-landscape card-img-top h-auto rounded-top-4" ><div class="card-body d-flex flex-column p-3"><h2 class="h4 card-title mt-0 mb-3 position-static"><a data-linkid="guides.overview.article.teaser.intrusion-detection-system-ids" class="stretched-link brand-card-color text-decoration-none link-internal" title="What is an intrusion detection system (IDS)?" href="https://www.ionos.com/digitalguide/server/security/intrusion-detection-system-ids/" target="_top"> What is an intrusion detection system (IDS)? </a></h2><p class="card-text brand-card-color mt-auto mb-0">An intrusion detection system (IDS) begins its operation at the host, the network, or both, actively examining records in real-time to identify any discernible anomalies. When irregularities are detected, the system promptly sends an alert to the relevant parties, playing a…</p><div class="mt-2 minh-5 d-flex flex-nowrap overflow-hidden"><ul class="nav d-flex flex-nowrap card-tags-fade-end w-100 gap-2"><li><span class="btn btn-sm btn-default">Security</span></li></ul></div><div class="read-more px-0 pb-0 pt-1 m-0 position-relative end-0 text-end lh-1 d-flex align-items-center justify-content-end"><span class="d-inline-block me-1">Read more</span><svg width="16" height="16" class="icon-arrow-right"><use xlink:href="https://www.ionos.com/digitalguide/_assets/b76f27cb02ebc538ac6fbabcf1a88e7f/Images/icons-sprite.svg#icon-arrow-right"></use></svg></div></div></article></div><div class="col col-12 col-md-6"><article class="card brand-card-bg rounded-4 overflow-hidden contain-style h-100 w-100" id="article-31212"><img src="https://www.ionos.com/digitalguide/fileadmin/_processed_/2/4/csm_botnet-t_49d0730155.webp" width="1200" height="630" srcset="https://www.ionos.com/digitalguide/fileadmin/_processed_/2/4/csm_botnet-t_3d4ae096fa.webp 513w,https://www.ionos.com/digitalguide/fileadmin/_processed_/2/4/csm_botnet-t_2492d44428.webp 483w,https://www.ionos.com/digitalguide/fileadmin/_processed_/2/4/csm_botnet-t_4f298a19ae.webp 416w,https://www.ionos.com/digitalguide/fileadmin/_processed_/2/4/csm_botnet-t_577faee5c9.webp 348w,https://www.ionos.com/digitalguide/fileadmin/_processed_/2/4/csm_botnet-t_99afef1410.webp 524w,https://www.ionos.com/digitalguide/fileadmin/_processed_/2/4/csm_botnet-t_05855a04e7.webp 396w,https://www.ionos.com/digitalguide/fileadmin/_processed_/2/4/csm_botnet-t_06b0722a56.webp 304w,https://www.ionos.com/digitalguide/fileadmin/_processed_/2/4/csm_botnet-t_95904b9fdb.webp 304w" sizes="(min-width: 1680px) 513px,(min-width: 1400px) 483px,(min-width: 1200px) 416px,(min-width: 768px) 348px,(min-width: 576px) 524px,(min-width: 412px) 396px,(min-width: 320px) 304px,(max-width:319px) 304px" title="What is an intrusion prevention system?" alt="What is an intrusion prevention system?" loading="lazy" decoding="async" class="img-fluid d-block mx-auto img-format-landscape card-img-top h-auto rounded-top-4" ><div class="card-body d-flex flex-column p-3"><h2 class="h4 card-title mt-0 mb-3 position-static"><a data-linkid="guides.overview.article.teaser.intrusion-prevention-system-ips" class="stretched-link brand-card-color text-decoration-none link-internal" title="What is an intrusion prevention system?" href="https://www.ionos.com/digitalguide/server/security/intrusion-prevention-system-ips/" target="_top"> What is an intrusion prevention system? </a></h2><p class="card-text brand-card-color mt-auto mb-0">In addition to a firewall, an intrusion prevention system (IPS) can monitor either an individual end device or an entire network and alert about potential threats. 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