{"id":8742,"date":"2015-11-09T10:41:44","date_gmt":"2015-11-09T14:41:44","guid":{"rendered":"http:\/\/blog.nccomputertech.com\/?p=8742"},"modified":"2015-11-09T10:41:44","modified_gmt":"2015-11-09T14:41:44","slug":"microsoft-may-block-sha1-certificates-sooner-than-expected","status":"publish","type":"post","link":"https:\/\/nccomputertech.com\/techtalk\/2015\/11\/09\/microsoft-may-block-sha1-certificates-sooner-than-expected\/","title":{"rendered":"Microsoft may block SHA1 certificates sooner than expected"},"content":{"rendered":"
\n
\n
\n
\n
\n
\n

Encrypted sites running old certificates will be inaccessible from modern browsers.<\/strong><\/p>\n

By Zack Whittaker<\/a> for Zero Day<\/a><\/p>\n<\/div>\n<\/header>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n

\n
<\/section>\n
<\/div>\n
\n
\n
\n
\n
\n
\n
\n
\n
\n
\n
\n
While about one-in-four encrypted websites are still using weak security certificates, Microsoft is considering taking matters into its own hands.<\/div>\n
\n

With the possibility of an attack becoming ever more possible, the software giant said in a blog post<\/a> that it may consider moving up its deadline of deprecating old SHA1-based security certificates to June 2016.<\/p>\n

That means sites running old certificates will be inaccessible, or difficult to access, from modern browsers.<\/p>\n

Kyle Pflug, a program manager on Microsoft’s Edge browser team, said the software giant “will continue to coordinate with other browser vendors to evaluate the impact of this timeline based on telemetry and current projections for feasibility of SHA1 collisions.”<\/p>\n

Fellow browser maker Mozilla said last month<\/a> that it may also deprecate support for older SHA1-based certificates as of July 2016.<\/p>\n

The reason companies are getting increasingly concerned about the state of the cryptographic algorithm, which has been widely used across the encrypted web for years, is because some fear it could be cracked by the end of the year. That would essentially make the algorithm useless<\/a>, weakening security for millions of users.<\/p>\n

Research published last month said a well-resourced attacker, such as an intelligence agency, could successfully create an SHA1 collision attack by the end of the year. That would mean a country like the US, Russia, or China — or even a well-funded hacker — could impersonate seemingly secure websites.<\/p>\n

\n
<\/div>\n<\/section>\n

Researchers previously believed that an SHA1 collision was at least two years away.<\/p>\n

The good news is that SHA2, the newer and far stronger cryptographic algorithm, makes up about 75 percent<\/a> of the encrypted web, and that figure is growing every month.<\/p>\n

Certificate authorities said they will respond by no longer issuing SHA1 certificates from 2016, opting instead for SHA2 certificates.<\/p>\n

However, many of those in developing nations who are running older software and devices — including the candy-bar cellphones that have basic mobile internet — will face a brick wall<\/a>, because their browser or device will be unable to read the new, more secure certificates.<\/p>\n

“We’re about to leave a whole chunk of the internet in the past,” said CloudFlare chief executive Matthew Prince.<\/p>\n<\/div>\n<\/article>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

Encrypted sites running old certificates will be inaccessible from modern browsers. By Zack Whittaker for Zero Day While about one-in-four […]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[5,7,9,11],"tags":[948,968,1199],"class_list":["post-8742","post","type-post","status-publish","format-standard","hentry","category-microsoft","category-security","category-software","category-windows","tag-secuirty-certificates","tag-sha1","tag-websites"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/papNkV-2h0","jetpack-related-posts":[{"id":9330,"url":"https:\/\/nccomputertech.com\/techtalk\/2018\/04\/03\/security-now-657-protonmail\/","url_meta":{"origin":8742,"position":0},"title":"Security Now 657: ProtonMail","author":"NCCT","date":"April 3, 2018","format":false,"excerpt":"https:\/\/youtu.be\/OeSZg-ph3Ns This week we discuss \"DrupalGeddon2\", Cloudflare's new DNS offering, a reminder about GRC's DNS Benchmark, Microsoft's Meltdown meltdown, the persistent iOS QR Code flaw and its long-awaited v11.3 update, another VPN user IP leak, more bug bounty news, an ill-fated-seeming new eMail initiative, Free electricity, a policy change at\u2026","rel":"","context":"In "Security"","block_context":{"text":"Security","link":"https:\/\/nccomputertech.com\/techtalk\/category\/security\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/img.youtube.com\/vi\/OeSZg-ph3Ns\/0.jpg?resize=350%2C200","width":350,"height":200},"classes":[]},{"id":9518,"url":"https:\/\/nccomputertech.com\/techtalk\/2019\/02\/10\/between-the-buns-this-week-in-tech-705\/","url_meta":{"origin":8742,"position":1},"title":"Between the Buns – This Week in Tech 705","author":"NCCT","date":"February 10, 2019","format":false,"excerpt":"https:\/\/youtu.be\/KZ52Am221no Improving government websites, blocking the big five, Spotify\u2019s podcast move, and more. -- Alphabet Earnings: Google's Cost Per Click -- Cutting out Google, Apple, Amazon, Facebook, and Microsoft -- The US to Ban Huawei 5GTech -- Germany Outlaws Facebook's Business Model -- What if Google Just Doesn't Pay Its\u2026","rel":"","context":"In "Apple"","block_context":{"text":"Apple","link":"https:\/\/nccomputertech.com\/techtalk\/category\/apple\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/img.youtube.com\/vi\/KZ52Am221no\/0.jpg?resize=350%2C200","width":350,"height":200},"classes":[]},{"id":9452,"url":"https:\/\/nccomputertech.com\/techtalk\/2018\/11\/19\/internal-bug-discovery-security-now-693\/","url_meta":{"origin":8742,"position":2},"title":"Internal Bug Discovery – Security Now 693","author":"NCCT","date":"November 19, 2018","format":false,"excerpt":"https:\/\/youtu.be\/ClVI9PMQGCY Australia vs Encryption, Google+ Bugs Hasten its Demise -- Australia's recently passed anti-encryption legislation -- Details of a couple more mega-breaches including a bit of Marriott follow-up -- A welcome call for legislation from Microsoft -- A new twist on online advertising click fraud -- The DHS is interested\u2026","rel":"","context":"In "Microsoft"","block_context":{"text":"Microsoft","link":"https:\/\/nccomputertech.com\/techtalk\/category\/microsoft\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/img.youtube.com\/vi\/ClVI9PMQGCY\/0.jpg?resize=350%2C200","width":350,"height":200},"classes":[]},{"id":9902,"url":"https:\/\/nccomputertech.com\/techtalk\/2025\/02\/11\/tpm-2-0-is-not-required-for-windows-11\/","url_meta":{"origin":8742,"position":3},"title":"TPM 2.0 Is Not Required for Windows 11","author":"NCCT","date":"February 11, 2025","format":false,"excerpt":"https:\/\/youtu.be\/yjjCbOOpREg On Security Now, Steve Gibson talks about Microsofrt dropping the TPM 2.0 requirement from Windows 11.","rel":"","context":"In "Microsoft"","block_context":{"text":"Microsoft","link":"https:\/\/nccomputertech.com\/techtalk\/category\/microsoft\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/img.youtube.com\/vi\/yjjCbOOpREg\/0.jpg?resize=350%2C200","width":350,"height":200},"classes":[]},{"id":9405,"url":"https:\/\/nccomputertech.com\/techtalk\/2018\/10\/07\/odorless-and-weightless-hackers-this-week-in-tech-687\/","url_meta":{"origin":8742,"position":4},"title":"Odorless and Weightless Hackers – This Week in Tech 687","author":"NCCT","date":"October 7, 2018","format":false,"excerpt":"https:\/\/youtu.be\/lb4rnqfNdas Chinese Spy Chips, Microsoft Highs and Lows, Pixel 3 Event Predictions, and More! Bloomberg reports that China used tiny chips to spy on Apple, Amazon, and the US government. Apple and Amazon deny it. How do we know who is right? All the news from the Microsoft Surface event,\u2026","rel":"","context":"In "Apple"","block_context":{"text":"Apple","link":"https:\/\/nccomputertech.com\/techtalk\/category\/apple\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/img.youtube.com\/vi\/lb4rnqfNdas\/0.jpg?resize=350%2C200","width":350,"height":200},"classes":[]},{"id":9391,"url":"https:\/\/nccomputertech.com\/techtalk\/2018\/08\/12\/this-week-in-tech-679-hotbox-the-waymo\/","url_meta":{"origin":8742,"position":5},"title":"This Week in Tech 679: Hotbox the Waymo","author":"NCCT","date":"August 12, 2018","format":false,"excerpt":"https:\/\/youtu.be\/r0sh0kx0ksQ This Week in Tech Galaxy Note 9, vote hacking, Android Q quandary, robot dogs, and more. --Samsung Announces the Galaxy Note 9, Galaxy Watch, and Galaxy Home musical cauldron. --What is AI? --Self-driving roll-out is increasing. --Amazon wants you to pick up groceries at Whole Foods, and wishes you\u2026","rel":"","context":"In "Microsoft"","block_context":{"text":"Microsoft","link":"https:\/\/nccomputertech.com\/techtalk\/category\/microsoft\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/img.youtube.com\/vi\/r0sh0kx0ksQ\/0.jpg?resize=350%2C200","width":350,"height":200},"classes":[]}],"_links":{"self":[{"href":"https:\/\/nccomputertech.com\/techtalk\/wp-json\/wp\/v2\/posts\/8742","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/nccomputertech.com\/techtalk\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/nccomputertech.com\/techtalk\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/nccomputertech.com\/techtalk\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/nccomputertech.com\/techtalk\/wp-json\/wp\/v2\/comments?post=8742"}],"version-history":[{"count":0,"href":"https:\/\/nccomputertech.com\/techtalk\/wp-json\/wp\/v2\/posts\/8742\/revisions"}],"wp:attachment":[{"href":"https:\/\/nccomputertech.com\/techtalk\/wp-json\/wp\/v2\/media?parent=8742"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nccomputertech.com\/techtalk\/wp-json\/wp\/v2\/categories?post=8742"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nccomputertech.com\/techtalk\/wp-json\/wp\/v2\/tags?post=8742"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}