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href="https://donate.wikimedia.org/wiki/Special:FundraiserRedirector?utm_source=donate&utm_medium=sidebar&utm_campaign=C13_en.wikipedia.org&uselang=en" class=""><span>Donate</span></a> </li> <li id="pt-createaccount-2" class="user-links-collapsible-item mw-list-item user-links-collapsible-item"><a data-mw="interface" href="/w/index.php?title=Special:CreateAccount&returnto=Category%3ASecure+communication" title="You are encouraged to create an account and log in; however, it is not mandatory" class=""><span>Create account</span></a> </li> <li id="pt-login-2" class="user-links-collapsible-item mw-list-item user-links-collapsible-item"><a data-mw="interface" href="/w/index.php?title=Special:UserLogin&returnto=Category%3ASecure+communication" title="You're encouraged to log in; however, it's not mandatory. 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Available in 14 languages" > <label id="p-lang-btn-label" for="p-lang-btn-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--action-progressive mw-portlet-lang-heading-14" aria-hidden="true" ><span class="vector-icon mw-ui-icon-language-progressive mw-ui-icon-wikimedia-language-progressive"></span> <span class="vector-dropdown-label-text">14 languages</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D8%AA%D8%B5%D9%86%D9%8A%D9%81:%D8%A7%D8%AA%D8%B5%D8%A7%D9%84_%D8%A2%D9%85%D9%86" title="تصنيف:اتصال آمن – Arabic" lang="ar" hreflang="ar" data-title="تصنيف:اتصال آمن" data-language-autonym="العربية" data-language-local-name="Arabic" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-bn mw-list-item"><a href="https://bn.wikipedia.org/wiki/%E0%A6%AC%E0%A6%BF%E0%A6%B7%E0%A6%AF%E0%A6%BC%E0%A6%B6%E0%A7%8D%E0%A6%B0%E0%A7%87%E0%A6%A3%E0%A7%80:%E0%A6%A8%E0%A6%BF%E0%A6%B0%E0%A6%BE%E0%A6%AA%E0%A6%A6_%E0%A6%AF%E0%A7%8B%E0%A6%97%E0%A6%BE%E0%A6%AF%E0%A7%8B%E0%A6%97" title="বিষয়শ্রেণী:নিরাপদ যোগাযোগ – Bangla" lang="bn" hreflang="bn" data-title="বিষয়শ্রেণী:নিরাপদ যোগাযোগ" data-language-autonym="বাংলা" data-language-local-name="Bangla" class="interlanguage-link-target"><span>বাংলা</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%D8%B1%D8%AF%D9%87:%D8%A7%D8%B1%D8%AA%D8%A8%D8%A7%D8%B7%D8%A7%D8%AA_%D8%A7%D9%85%D9%86" title="رده:ارتباطات امن – Persian" lang="fa" hreflang="fa" data-title="رده:ارتباطات امن" data-language-autonym="فارسی" data-language-local-name="Persian" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/Cat%C3%A9gorie:Communication_s%C3%A9curis%C3%A9e" title="Catégorie:Communication sécurisée – French" lang="fr" hreflang="fr" data-title="Catégorie:Communication sécurisée" data-language-autonym="Français" data-language-local-name="French" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-hi mw-list-item"><a href="https://hi.wikipedia.org/wiki/%E0%A4%B6%E0%A5%8D%E0%A4%B0%E0%A5%87%E0%A4%A3%E0%A5%80:%E0%A4%B8%E0%A5%81%E0%A4%B0%E0%A4%95%E0%A5%8D%E0%A4%B7%E0%A4%BF%E0%A4%A4_%E0%A4%B8%E0%A4%82%E0%A4%9A%E0%A4%BE%E0%A4%B0" title="श्रेणी:सुरक्षित संचार – Hindi" lang="hi" hreflang="hi" data-title="श्रेणी:सुरक्षित संचार" data-language-autonym="हिन्दी" data-language-local-name="Hindi" class="interlanguage-link-target"><span>हिन्दी</span></a></li><li class="interlanguage-link interwiki-id mw-list-item"><a href="https://id.wikipedia.org/wiki/Kategori:Komunikasi_terlindung" title="Kategori:Komunikasi terlindung – Indonesian" lang="id" hreflang="id" data-title="Kategori:Komunikasi terlindung" data-language-autonym="Bahasa Indonesia" data-language-local-name="Indonesian" class="interlanguage-link-target"><span>Bahasa Indonesia</span></a></li><li class="interlanguage-link interwiki-mk mw-list-item"><a href="https://mk.wikipedia.org/wiki/%D0%9A%D0%B0%D1%82%D0%B5%D0%B3%D0%BE%D1%80%D0%B8%D1%98%D0%B0:%D0%91%D0%B5%D0%B7%D0%B1%D0%B5%D0%B4%D0%BD%D0%BE_%D0%BE%D0%BF%D1%88%D1%82%D0%B5%D1%9A%D0%B5" title="Категорија:Безбедно општење – Macedonian" lang="mk" hreflang="mk" data-title="Категорија:Безбедно општење" data-language-autonym="Македонски" data-language-local-name="Macedonian" class="interlanguage-link-target"><span>Македонски</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/Category:%E3%82%BB%E3%82%AD%E3%83%A5%E3%82%A2%E9%80%9A%E4%BF%A1" title="Category:セキュア通信 – Japanese" lang="ja" hreflang="ja" data-title="Category:セキュア通信" data-language-autonym="日本語" data-language-local-name="Japanese" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-nn mw-list-item"><a href="https://nn.wikipedia.org/wiki/Kategori:Sikker_kommunikasjon" title="Kategori:Sikker kommunikasjon – Norwegian Nynorsk" lang="nn" hreflang="nn" data-title="Kategori:Sikker kommunikasjon" data-language-autonym="Norsk nynorsk" data-language-local-name="Norwegian Nynorsk" class="interlanguage-link-target"><span>Norsk nynorsk</span></a></li><li class="interlanguage-link interwiki-ro mw-list-item"><a href="https://ro.wikipedia.org/wiki/Categorie:Comunica%C8%9Bie_securizat%C4%83" title="Categorie:Comunicație securizată – Romanian" lang="ro" hreflang="ro" data-title="Categorie:Comunicație securizată" data-language-autonym="Română" data-language-local-name="Romanian" class="interlanguage-link-target"><span>Română</span></a></li><li class="interlanguage-link interwiki-sco mw-list-item"><a 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#aaa;font-size:88%;line-height:1.25em;background-color:var(--background-color-interactive-subtle,#f8f9fa);display:flow-root}.mw-parser-output .side-box-abovebelow,.mw-parser-output .side-box-text{padding:0.25em 0.9em}.mw-parser-output .side-box-image{padding:2px 0 2px 0.9em;text-align:center}.mw-parser-output .side-box-imageright{padding:2px 0.9em 2px 0;text-align:center}@media(min-width:500px){.mw-parser-output .side-box-flex{display:flex;align-items:center}.mw-parser-output .side-box-text{flex:1;min-width:0}}@media(min-width:720px){.mw-parser-output .side-box{width:238px}.mw-parser-output .side-box-right{clear:right;float:right;margin-left:1em}.mw-parser-output .side-box-left{margin-right:1em}}</style><style data-mw-deduplicate="TemplateStyles:r1237033735">@media print{body.ns-0 .mw-parser-output .sistersitebox{display:none!important}}@media screen{html.skin-theme-clientpref-night .mw-parser-output .sistersitebox img[src*="Wiktionary-logo-en-v2.svg"]{background-color:white}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .sistersitebox img[src*="Wiktionary-logo-en-v2.svg"]{background-color:white}}</style><div class="side-box side-box-right plainlinks sistersitebox"><style data-mw-deduplicate="TemplateStyles:r1126788409">.mw-parser-output .plainlist ol,.mw-parser-output .plainlist ul{line-height:inherit;list-style:none;margin:0;padding:0}.mw-parser-output .plainlist ol li,.mw-parser-output .plainlist ul li{margin-bottom:0}</style> <div class="side-box-flex"> <div class="side-box-image"><span class="noviewer" typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/en/thumb/4/4a/Commons-logo.svg/30px-Commons-logo.svg.png" decoding="async" width="30" height="40" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/4/4a/Commons-logo.svg/45px-Commons-logo.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/4/4a/Commons-logo.svg/59px-Commons-logo.svg.png 2x" data-file-width="1024" data-file-height="1376" /></span></span></div> <div class="side-box-text plainlist">Wikimedia Commons has media related to <span style="font-weight: bold; font-style: italic;"><a href="https://commons.wikimedia.org/wiki/Category:Secure_communication" class="extiw" title="commons:Category:Secure communication">Secure communication</a></span>.</div></div> </div> <style data-mw-deduplicate="TemplateStyles:r1236090951">.mw-parser-output .hatnote{font-style:italic}.mw-parser-output div.hatnote{padding-left:1.6em;margin-bottom:0.5em}.mw-parser-output .hatnote i{font-style:normal}.mw-parser-output .hatnote+link+.hatnote{margin-top:-0.5em}@media print{body.ns-0 .mw-parser-output .hatnote{display:none!important}}</style><div role="note" class="hatnote navigation-not-searchable">The main article for this <a href="/wiki/Help:Categories" title="Help:Categories">category</a> is <b><a href="/wiki/Secure_communication" title="Secure communication">Secure communication</a></b>.</div>    </div><div class="mw-category-generated" lang="en" dir="ltr"><div id="mw-subcategories"> <h2>Subcategories</h2> <p>This category has the following 5 subcategories, out of 5 total. </p><div lang="en" dir="ltr" class="mw-content-ltr"><div class="mw-category"><div class="mw-category-group"><h3>A</h3> <ul><li><div class="CategoryTreeSection"><div class="CategoryTreeItem"><span class="CategoryTreeBullet"><a class="CategoryTreeToggle" data-ct-title="Anonymity_networks" aria-expanded="false"></a> </span> <bdi dir="ltr"><a href="/wiki/Category:Anonymity_networks" title="Category:Anonymity networks">Anonymity networks</a></bdi> <span title="Contains 6 subcategories, 56 pages, and 0 files" dir="ltr">(6 C, 56 P)</span></div><div class="CategoryTreeChildren" style="display:none"></div></div></li></ul></div><div class="mw-category-group"><h3>C</h3> <ul><li><div class="CategoryTreeSection"><div class="CategoryTreeItem"><span class="CategoryTreeBullet"><a class="CategoryTreeToggle" data-ct-title="Computer_security" aria-expanded="false"></a> </span> <bdi dir="ltr"><a href="/wiki/Category:Computer_security" title="Category:Computer security">Computer security</a></bdi> <span title="Contains 20 subcategories, 166 pages, and 0 files" dir="ltr">(20 C, 166 P)</span></div><div class="CategoryTreeChildren" style="display:none"></div></div></li> <li><div class="CategoryTreeSection"><div class="CategoryTreeItem"><span class="CategoryTreeBullet"><a class="CategoryTreeToggle" data-ct-title="Cryptography" aria-expanded="false"></a> </span> <bdi dir="ltr"><a href="/wiki/Category:Cryptography" title="Category:Cryptography">Cryptography</a></bdi> <span title="Contains 30 subcategories, 218 pages, and 0 files" dir="ltr">(30 C, 218 P)</span></div><div class="CategoryTreeChildren" style="display:none"></div></div></li></ul></div><div class="mw-category-group"><h3>E</h3> <ul><li><div class="CategoryTreeSection"><div class="CategoryTreeItem"><span class="CategoryTreeEmptyBullet"></span> <bdi dir="ltr"><a href="/wiki/Category:End-to-end_encryption" title="Category:End-to-end encryption">End-to-end encryption</a></bdi> <span title="Contains 0 subcategories, 21 pages, and 0 files" dir="ltr">(21 P)</span></div><div class="CategoryTreeChildren" style="display:none"></div></div></li></ul></div><div class="mw-category-group"><h3>S</h3> <ul><li><div class="CategoryTreeSection"><div class="CategoryTreeItem"><span class="CategoryTreeEmptyBullet"></span> <bdi dir="ltr"><a href="/wiki/Category:Secure_telephones" title="Category:Secure telephones">Secure telephones</a></bdi> <span title="Contains 0 subcategories, 9 pages, and 0 files" dir="ltr">(9 P)</span></div><div class="CategoryTreeChildren" style="display:none"></div></div></li></ul></div></div></div> </div><div id="mw-pages"> <h2><span class="anchor" id="Pages_in_category"></span>Pages in category "Secure communication"</h2> <p>The following 66 pages are in this category, out of 66 total. <a href="/wiki/Wikipedia:FAQ/Categorization#Why_might_a_category_list_not_be_up_to_date?" title="Wikipedia:FAQ/Categorization">This list may not reflect recent changes</a>. </p><div lang="en" dir="ltr" class="mw-content-ltr"><div class="mw-category mw-category-columns"><div class="mw-category-group"><h3> </h3> <ul><li><a href="/wiki/Secure_communication" title="Secure communication">Secure communication</a></li></ul></div><div class="mw-category-group"><h3>A</h3> <ul><li><a href="/wiki/Automatic_Certificate_Management_Environment" title="Automatic Certificate Management Environment">Automatic Certificate Management Environment</a></li> <li><a href="/wiki/Automatic_Secure_Voice_Communications_Network" title="Automatic Secure Voice Communications Network">Automatic Secure Voice Communications Network</a></li></ul></div><div class="mw-category-group"><h3>B</h3> <ul><li><a href="/wiki/BBM_Enterprise" title="BBM Enterprise">BBM Enterprise</a></li> <li><a href="/wiki/BID_150" title="BID 150">BID 150</a></li> <li><a href="/wiki/Blacker_(security)" title="Blacker (security)">Blacker (security)</a></li></ul></div><div class="mw-category-group"><h3>C</h3> <ul><li><a href="/wiki/CA/Browser_Forum" title="CA/Browser Forum">CA/Browser Forum</a></li> <li><a href="/wiki/CCMP_(cryptography)" title="CCMP (cryptography)">CCMP (cryptography)</a></li> <li><a href="/wiki/Cipher_suite" title="Cipher suite">Cipher suite</a></li> <li><a href="/wiki/Ciphr" title="Ciphr">Ciphr</a></li> <li><a href="/wiki/Collateral_freedom" title="Collateral freedom">Collateral freedom</a></li> <li><a href="/wiki/Common_Data_Link" title="Common Data Link">Common Data Link</a></li> <li><a href="/wiki/Confide" title="Confide">Confide</a></li> <li><span class="redirect-in-category"><a href="/wiki/Cracking_of_wireless_networks" class="mw-redirect" title="Cracking of wireless networks">Cracking of wireless networks</a></span></li></ul></div><div class="mw-category-group"><h3>D</h3> <ul><li><a href="/wiki/Data_breach" title="Data breach">Data breach</a></li> <li><a href="/wiki/Defense_Red_Switch_Network" title="Defense Red Switch Network">Defense Red Switch Network</a></li> <li><a href="/wiki/Domain_fronting" title="Domain fronting">Domain fronting</a></li></ul></div><div class="mw-category-group"><h3>E</h3> <ul><li><a href="/wiki/End-to-end_encryption" title="End-to-end encryption">End-to-end encryption</a></li></ul></div><div class="mw-category-group"><h3>G</h3> <ul><li><a href="/wiki/Guardian_Project_(software)" title="Guardian Project (software)">Guardian Project (software)</a></li></ul></div><div class="mw-category-group"><h3>H</h3> <ul><li><a href="/wiki/HTTPS" title="HTTPS">HTTPS</a></li> <li><a href="/wiki/HTTPS_Everywhere" title="HTTPS Everywhere">HTTPS Everywhere</a></li></ul></div><div class="mw-category-group"><h3>I</h3> <ul><li><a href="/wiki/IGap" title="IGap">IGap</a></li> <li><a href="/wiki/Internet_Security_Research_Group" title="Internet Security Research Group">Internet Security Research Group</a></li></ul></div><div class="mw-category-group"><h3>K</h3> <ul><li><a href="/wiki/Key_ring_file" title="Key ring file">Key ring file</a></li></ul></div><div class="mw-category-group"><h3>L</h3> <ul><li><a href="/wiki/Let%27s_Encrypt" title="Let's Encrypt">Let's Encrypt</a></li> <li><a href="/wiki/Librem_5" title="Librem 5">Librem 5</a></li> <li><a href="/wiki/Linoma_Software" title="Linoma Software">Linoma Software</a></li></ul></div><div class="mw-category-group"><h3>M</h3> <ul><li><a href="/wiki/Mailbox.org" title="Mailbox.org">Mailbox.org</a></li> <li><a href="/wiki/Mailfence" title="Mailfence">Mailfence</a></li> <li><a href="/wiki/Messaging_Layer_Security" title="Messaging Layer Security">Messaging Layer Security</a></li></ul></div><div class="mw-category-group"><h3>O</h3> <ul><li><a href="/wiki/Operation_Trojan_Shield" title="Operation Trojan Shield">Operation Trojan Shield</a></li></ul></div><div class="mw-category-group"><h3>P</h3> <ul><li><a href="/wiki/Petname" title="Petname">Petname</a></li> <li><a href="/wiki/PGPfone" title="PGPfone">PGPfone</a></li> <li><a href="/wiki/Phoner" title="Phoner">Phoner</a></li> <li><span class="redirect-in-category"><a href="/wiki/PhonerLite" class="mw-redirect" title="PhonerLite">PhonerLite</a></span></li> <li><a href="/wiki/Posteo" title="Posteo">Posteo</a></li></ul></div><div class="mw-category-group"><h3>Q</h3> <ul><li><a href="/wiki/Quicknet" title="Quicknet">Quicknet</a></li></ul></div><div class="mw-category-group"><h3>R</h3> <ul><li><a href="/wiki/Red/black_concept" title="Red/black concept">Red/black concept</a></li> <li><a href="/wiki/Refraction_networking" title="Refraction networking">Refraction networking</a></li> <li><a href="/wiki/Retroshare" title="Retroshare">Retroshare</a></li></ul></div><div class="mw-category-group"><h3>S</h3> <ul><li><a href="/wiki/Secret_broadcast" title="Secret broadcast">Secret broadcast</a></li> <li><a href="/wiki/Secure_channel" title="Secure channel">Secure channel</a></li> <li><a href="/wiki/Secure_Communications_Interoperability_Protocol" title="Secure Communications Interoperability Protocol">Secure Communications Interoperability Protocol</a></li> <li><a href="/wiki/Secure_Electronic_Delivery" title="Secure Electronic Delivery">Secure Electronic Delivery</a></li> <li><a href="/wiki/Secure_Terminal_Equipment" title="Secure Terminal Equipment">Secure Terminal Equipment</a></li> <li><a href="/wiki/Secure_voice" title="Secure voice">Secure voice</a></li> <li><a href="/wiki/Security_Protocols_Open_Repository" title="Security Protocols Open Repository">Security Protocols Open Repository</a></li> <li><a href="/wiki/Server_Name_Indication" title="Server Name Indication">Server Name Indication</a></li> <li><a href="/wiki/Session_(software)" title="Session (software)">Session (software)</a></li> <li><a href="/wiki/Signal_(software)" title="Signal (software)">Signal (software)</a></li> <li><a href="/wiki/STU-I" title="STU-I">STU-I</a></li></ul></div><div class="mw-category-group"><h3>T</h3> <ul><li><a href="/wiki/Telex_(anti-censorship_system)" title="Telex (anti-censorship system)">Telex (anti-censorship system)</a></li> <li><a href="/wiki/Temporal_Key_Integrity_Protocol" title="Temporal Key Integrity Protocol">Temporal Key Integrity Protocol</a></li> <li><a href="/wiki/Tox_(protocol)" title="Tox (protocol)">Tox (protocol)</a></li> <li><a href="/wiki/Tuta_(email)" title="Tuta (email)">Tuta (email)</a></li> <li><a href="/wiki/Twinkle_(software)" title="Twinkle (software)">Twinkle (software)</a></li></ul></div><div class="mw-category-group"><h3>U</h3> <ul><li><a href="/wiki/User_activity_monitoring" title="User activity monitoring">User activity monitoring</a></li></ul></div><div class="mw-category-group"><h3>V</h3> <ul><li><a href="/wiki/Vanish_(computer_science)" title="Vanish (computer science)">Vanish (computer science)</a></li> <li><a href="/wiki/Verifiable_computing" title="Verifiable computing">Verifiable computing</a></li></ul></div><div class="mw-category-group"><h3>W</h3> <ul><li><a href="/wiki/Whisper_Systems" title="Whisper Systems">Whisper Systems</a></li> <li><a href="/wiki/Wire_(software)" title="Wire (software)">Wire (software)</a></li> <li><a href="/wiki/Wireless_intrusion_prevention_system" title="Wireless intrusion prevention system">Wireless intrusion prevention system</a></li></ul></div><div class="mw-category-group"><h3>X</h3> <ul><li><a href="/wiki/X.1035" title="X.1035">X.1035</a></li> <li><a href="/wiki/Xx_messenger" title="Xx messenger">Xx messenger</a></li></ul></div><div class="mw-category-group"><h3>Z</h3> <ul><li><a href="/wiki/Zero-knowledge_service" title="Zero-knowledge service">Zero-knowledge service</a></li> <li><a href="/wiki/Zooko%27s_triangle" title="Zooko's triangle">Zooko's triangle</a></li></ul></div></div></div> </div></div><noscript><img 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