{"id":43565,"date":"2021-10-22T17:28:41","date_gmt":"2021-10-22T17:28:41","guid":{"rendered":"https:\/\/www.threatshub.org\/blog\/better-late-than-never-microsoft-rolls-out-a-public-preview-of-e2ee-in-teams-calls\/"},"modified":"2021-10-22T17:28:41","modified_gmt":"2021-10-22T17:28:41","slug":"better-late-than-never-microsoft-rolls-out-a-public-preview-of-e2ee-in-teams-calls","status":"publish","type":"post","link":"https:\/\/www.threatshub.org\/blog\/better-late-than-never-microsoft-rolls-out-a-public-preview-of-e2ee-in-teams-calls\/","title":{"rendered":"Better late than never: Microsoft rolls out a public preview of E2EE in Teams calls"},"content":{"rendered":"<p>Microsoft has finally kicked off the rollout of end-to-end-encryption (E2EE) in its Teams collaboration platform with a <a target=\"_blank\" rel=\"nofollow noopener\" href=\"https:\/\/techcommunity.microsoft.com\/t5\/microsoft-teams-blog\/use-end-to-end-encryption-for-one-to-one-microsoft-teams-calls\/ba-p\/2867066\">public preview<\/a> of E2EE for one-to-one calls.<\/p>\n<p>It has been a while coming. The company made the promise of E2EE for some one-to-one Teams calls at its virtual Ignite shindig in March this year (https:\/\/www.theregister.com\/2021\/03\/03\/microsoft_ups_security\/) and as 2021 nears its end appears to have delivered, in preview form at least.<\/p>\n<p>The company&#8217;s rival in the conference calling space, Zoom, added E2EE for all <a target=\"_blank\" href=\"https:\/\/www.theregister.com\/2020\/10\/27\/zoom_endtoend_encryption\/\" rel=\"noopener\">a year ago<\/a>, making Microsoft rather late to the privacy party. COO at Matrix-based communications and collaboration app Element, Amandine Le Pape, told <i>The Register<\/i> that the preview, although welcome, was &#8220;long overdue.&#8221;<\/p>\n<div aria-hidden=\"true\" class=\"adun\" data-pos=\"top\" data-raptor=\"condor\" data-xsm=\",fluid,mpu,\" data-sm=\",fluid,mpu,\" data-md=\",fluid,mpu,\"> <noscript> <a href=\"https:\/\/pubads.g.doubleclick.net\/gampad\/jump?co=1&amp;iu=\/6978\/reg_security\/front&amp;sz=300x50%7C300x100%7C300x250%7C300x251%7C300x252%7C300x600%7C300x601&amp;tile=2&amp;c=2YXOSZEtB37orYpDRxk7pUQAAAMo&amp;t=ct%3Dns%26unitnum%3D2%26raptor%3Dcondor%26pos%3Dtop%26test%3D0\" target=\"_blank\" rel=\"noopener\"> <img decoding=\"async\" src=\"https:\/\/pubads.g.doubleclick.net\/gampad\/ad?co=1&amp;iu=\/6978\/reg_security\/front&amp;sz=300x50%7C300x100%7C300x250%7C300x251%7C300x252%7C300x600%7C300x601&amp;tile=2&amp;c=2YXOSZEtB37orYpDRxk7pUQAAAMo&amp;t=ct%3Dns%26unitnum%3D2%26raptor%3Dcondor%26pos%3Dtop%26test%3D0\" alt> <\/a> <\/noscript> <\/div>\n<p>&#8220;It&#8217;s worth noting,&#8221; she went on, &#8220;that even if the calls are encrypted, users will be completely dependent on a single supplier (Microsoft) to host and secure them &#8211; they are putting all their eggs in one basket. Meanwhile, text chat and voip\/video conferences remain unencrypted.&#8221;<\/p>\n<div aria-hidden=\"true\" class=\"adun\" data-pos=\"top\" data-raptor=\"falcon\" data-xmd=\",fluid,mpu,leaderboard,\" data-lg=\",fluid,mpu,leaderboard,\" data-xlg=\",fluid,billboard,superleaderboard,mpu,leaderboard,\" data-xxlg=\",fluid,billboard,superleaderboard,brandwidth,brandimpact,leaderboard,mpu,\"> <noscript> <a href=\"https:\/\/pubads.g.doubleclick.net\/gampad\/jump?co=1&amp;iu=\/6978\/reg_security\/front&amp;sz=300x50%7C300x100%7C300x250%7C300x251%7C300x252%7C300x600%7C300x601&amp;tile=4&amp;c=44YXOSZEtB37orYpDRxk7pUQAAAMo&amp;t=ct%3Dns%26unitnum%3D4%26raptor%3Dfalcon%26pos%3Dmid%26test%3D0\" target=\"_blank\" rel=\"noopener\"> <img decoding=\"async\" src=\"https:\/\/pubads.g.doubleclick.net\/gampad\/ad?co=1&amp;iu=\/6978\/reg_security\/front&amp;sz=300x50%7C300x100%7C300x250%7C300x251%7C300x252%7C300x600%7C300x601&amp;tile=4&amp;c=44YXOSZEtB37orYpDRxk7pUQAAAMo&amp;t=ct%3Dns%26unitnum%3D426raptor%3Dfalcon%26pos%3Dmid%26test%3D0\" alt> <\/a> <\/noscript> <\/div>\n<div class=\"adun_eagle_desktop_story_wrapper\">\n<div aria-hidden=\"true\" class=\"adun\" data-pos=\"mid\" data-raptor=\"eagle\" data-xxlg=\",mpu,dmpu,\"> <noscript> <a href=\"https:\/\/pubads.g.doubleclick.net\/gampad\/jump?co=1&amp;iu=\/6978\/reg_security\/front&amp;sz=300x50%7C300x100%7C300x250%7C300x251%7C300x252%7C300x600%7C300x601&amp;tile=3&amp;c=33YXOSZEtB37orYpDRxk7pUQAAAMo&amp;t=ct%3Dns%26unitnum%3D3%26raptor%3Deagle%26pos%3Dmid%26test%3D0\" target=\"_blank\" rel=\"noopener\"> <img decoding=\"async\" src=\"https:\/\/pubads.g.doubleclick.net\/gampad\/ad?co=1&amp;iu=\/6978\/reg_security\/front&amp;sz=300x50%7C300x100%7C300x250%7C300x251%7C300x252%7C300x600%7C300x601&amp;tile=3&amp;c=33YXOSZEtB37orYpDRxk7pUQAAAMo&amp;t=ct%3Dns%26unitnum%3D3%26raptor%3Deagle%26pos%3Dmid%26test%3D0\" alt> <\/a> <\/noscript> <\/div>\n<\/p><\/div>\n<p>Then again, as Element found to its embarrassment, everything in E2EE is not entirely straightforward after a <a target=\"_blank\" href=\"https:\/\/www.theregister.com\/2021\/09\/13\/matrix_foundation_implementation_bug\/\" rel=\"noopener\">whoopsie<\/a> in the Matrix key sharing scheme could have resulted in the compromise of user keys.<\/p>\n<p>As for Microsoft&#8217;s implementation in Teams, only real-time media flow (voice and video) for one-to-one calls can be encrypted and the feature must first be enabled by an administrator before users can turn it on. It is not activated by default.<\/p>\n<div aria-hidden=\"true\" class=\"adun\" data-pos=\"top\" data-raptor=\"falcon\" data-xsm=\",fluid,mpu,\" data-sm=\",fluid,mpu,\" data-md=\",fluid,mpu,\"> <noscript> <a href=\"https:\/\/pubads.g.doubleclick.net\/gampad\/jump?co=1&amp;iu=\/6978\/reg_security\/front&amp;sz=300x50%7C300x100%7C300x250%7C300x251%7C300x252%7C300x600%7C300x601&amp;tile=4&amp;c=44YXOSZEtB37orYpDRxk7pUQAAAMo&amp;t=ct%3Dns%26unitnum%3D4%26raptor%3Dfalcon%26pos%3Dmid%26test%3D0\" target=\"_blank\" rel=\"noopener\"> <img decoding=\"async\" src=\"https:\/\/pubads.g.doubleclick.net\/gampad\/ad?co=1&amp;iu=\/6978\/reg_security\/front&amp;sz=300x50%7C300x100%7C300x250%7C300x251%7C300x252%7C300x600%7C300x601&amp;tile=4&amp;c=44YXOSZEtB37orYpDRxk7pUQAAAMo&amp;t=ct%3Dns%26unitnum%3D426raptor%3Dfalcon%26pos%3Dmid%26test%3D0\" alt> <\/a> <\/noscript> <\/div>\n<p>4 stories<\/p>\n<p>The platforms are a bit limited too. The latest Teams desktop client for Windows or Mac is needed, or an up to date app on iOS and Android. Once a user turns on E2EE in one place, however, it will be turned on for all their other supported endpoints. Teams&#8217; Public Switched Telephone Network (PSTN) functionality does not support E2EE and chat in E2EE calls remains secured by Microsoft 365 encryption.<\/p>\n<p>Other features \u2013 such as live captioning and transcription, call transfer and merging or adding another participant to turn a one-to-one call into a group call \u2013 are not supported, although Microsoft said: &#8220;We will work to bring end-to-end encryption capabilities to online meetings later.&#8221;<\/p>\n<p>In the meantime, customers will just have to put their faith in Microsoft 365 encryption where E2EE is not an option. \u00ae<\/p>\n<p> READ MORE <a href=\"https:\/\/go.theregister.com\/feed\/www.theregister.com\/2021\/10\/22\/e2ee_teams_microsoft\/\">HERE<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Only for one-to-one voice and video, mind Microsoft has finally kicked off the rollout of end-to-end-encryption (E2EE) in its Teams collaboration platform with a public preview of E2EE for one-to-one calls.\u2026 READ MORE HERE&#8230;<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"colormag_page_layout":"default_layout","footnotes":""},"categories":[63],"tags":[],"class_list":["post-43565","post","type-post","status-publish","format-standard","hentry","category-the-register"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Better late than never: Microsoft rolls out a public preview of E2EE in Teams calls 2026 | ThreatsHub Cybersecurity News<\/title>\n<meta name=\"description\" content=\"ThreatsHub Cybersecurity News | ThreatsHub.org | Cloud Security &amp; Cyber Threats Analysis Hub. 100% Free OSINT Threat Intelligent and Cybersecurity News.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link 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