

{"id":588,"date":"2011-06-14T12:57:34","date_gmt":"2011-06-14T17:57:34","guid":{"rendered":"http:\/\/rud.is\/b\/?p=588"},"modified":"2017-03-27T09:40:06","modified_gmt":"2017-03-27T14:40:06","slug":"weis-2011-session-2-identity-the-inconvenient-truth-about-web-certificates","status":"publish","type":"post","link":"https:\/\/rud.is\/b\/2011\/06\/14\/weis-2011-session-2-identity-the-inconvenient-truth-about-web-certificates\/","title":{"rendered":"WEIS 2011 :: Session 2 :: Identity :: The Inconvenient Truth About Web Certificates"},"content":{"rendered":"<p>Nevena Vratonjic<br \/>\nJulien Freudiger<br \/>\nVincent Bindschaedler<br \/>\nJeane-Pierre Hubaux<\/p>\n<p><a href=\"https:\/\/rud.is\/b\/weis2011\/The%20Inconvenient%20Truth%20about%20Web%20Certificates.pdf\">Presentation<\/a> [PDF]<\/p>\n<p><b>Twitter transcript<\/b><\/p>\n<p><code>#weis2011 Overview of basic ssl\/tls\/https concepts. Asking: how prevalent is https, what are problems with https?<\/p>\n<p>#weis2011 Out of their large sample, only 1\/3 (34.7%) have support for https, login is worse! only 22.6% &lt; #data!<\/p>\n<p>#weis2011 (me) just like Microsoft for patches\/vulns, everyone uses Bank of America for https & identity examples. #sigh<\/p>\n<p>#weis2011 More Certificates 101, but a good venn diagram explaining what authentication success looks like w\/%ages. rly good visualization.<\/p>\n<p>#weis2011 domain mismatch accounts for over 80% of certificate authentication failures. why? improper reuse. it has a simple solution (SNI)<\/p>\n<p>#weis2011 the team did a very thorough analysis that puts data behind what most folks have probably assumed. #dataisspiffy<\/p>\n<p>#weis2011 We've created a real mess for users with certs. EV certs help, but are expensive and not pervasive (***6%***!)<\/p>\n<p>#weis2011 economics don't back good cert issuance practices; 0 liability on issuers; too many subcontractors; we trained users to click \"OK\"<\/p>\n<p>#weis2011 great slide on CA success rates (hint: godaddy is #1) #sadtrombone<\/p>\n<p>#weis2011 sample: 1 million web sites; less than 6% do SSL\/TLS right. cheap certs == cheap \"security\"; policies need to change incentives<\/p>\n<p>#weis2011 URL for the data is in the last slide. first question is challenging the approach for the analysis and went on for a while<\/code><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Nevena Vratonjic Julien Freudiger Vincent Bindschaedler Jeane-Pierre Hubaux Presentation [PDF] Twitter transcript #weis2011 Overview of basic ssl\/tls\/https concepts. Asking: how prevalent is https, what are problems with https? #weis2011 Out of their large sample, only 1\/3 (34.7%) have support for https, login is worse! only 22.6% &lt; #data! #weis2011 (me) just like Microsoft for patches\/vulns, [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":true,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"activitypub_content_warning":"","activitypub_content_visibility":"","activitypub_max_image_attachments":3,"activitypub_interaction_policy_quote":"anyone","activitypub_status":"","footnotes":""},"categories":[60,3,71],"tags":[740,451,457,256,178,454,453,456,147,458,741,121,455,452],"class_list":["post-588","post","type-post","status-publish","format-standard","hentry","category-certificates","category-information-security","category-weis-2011","tag-authentication","tag-bank-of-america","tag-certs","tag-cryptographic-protocols","tag-http","tag-http-secure","tag-jeane-pierre-hubaux","tag-key-management","tag-microsoft","tag-secure-communication","tag-ssl","tag-twitter","tag-uri-scheme","tag-web-certificates-nevena-vratonjic-julien-freudiger-vincent-bindschaedler-jeane-pierre-hubaux"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>WEIS 2011 :: Session 2 :: Identity :: The Inconvenient Truth About Web Certificates - rud.is<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/rud.is\/b\/2011\/06\/14\/weis-2011-session-2-identity-the-inconvenient-truth-about-web-certificates\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"WEIS 2011 :: Session 2 :: Identity :: The Inconvenient Truth About Web Certificates - rud.is\" \/>\n<meta property=\"og:description\" content=\"Nevena Vratonjic Julien Freudiger Vincent Bindschaedler Jeane-Pierre Hubaux Presentation [PDF] Twitter transcript #weis2011 Overview of basic ssl\/tls\/https concepts. 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Why does neg valence receive more weight? #weis2011 how do we improve trustworthyness? #weis2011 \"designers of modern tech do not understand human fallibility and design systems w\/o taking them\u2026","rel":"","context":"In &quot;Information Security&quot;","block_context":{"text":"Information Security","link":"https:\/\/rud.is\/b\/category\/information-security\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":563,"url":"https:\/\/rud.is\/b\/2011\/06\/14\/weis-2011-keynote-dr-christopher-greer\/","url_meta":{"origin":588,"position":1},"title":"WEIS 2011 :: Keynote :: Dr Christopher Greer","author":"hrbrmstr","date":"2011-06-14","format":false,"excerpt":"Dr Greer [cgreer at ostp.eop.gov] is Assistant Director, Information Technology R&D, Office of Science & Technology Policy, The White House Opening: \"The expertise of the attendees is greatly needed.\" He provided a broad overview of the goals & initiatives of the federal government as they relate to domestic & international\u2026","rel":"","context":"In &quot;Information Security&quot;","block_context":{"text":"Information Security","link":"https:\/\/rud.is\/b\/category\/information-security\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":571,"url":"https:\/\/rud.is\/b\/2011\/06\/14\/weis-2011-session-1-attacks-where-do-all-the-attacks-go\/","url_meta":{"origin":588,"position":2},"title":"WEIS 2011 :: Session 1 :: Attacks :: Where Do All The Attacks Go?","author":"hrbrmstr","date":"2011-06-14","format":false,"excerpt":"Dinei Florncio Cormac Herley Presentation [PDF] Twitter transcript #weis2011 New threat model (that may scale). Rather than use individual users & attackers, use population of users, pop of attackers #weis2011 assumption\/proposition: attacker attacks when Expected{gain} > Expected{loss} #weis2011 (me) more good math on the slides. using the populations, they made\u2026","rel":"","context":"In &quot;Information Security&quot;","block_context":{"text":"Information Security","link":"https:\/\/rud.is\/b\/category\/information-security\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":574,"url":"https:\/\/rud.is\/b\/2011\/06\/14\/weis-2011-session-1-attacks-the-underground-economy-of-fake-antivirus-software\/","url_meta":{"origin":588,"position":3},"title":"WEIS 2011 :: Session 1 :: Attacks :: The Underground Economy of Fake Antivirus Software","author":"hrbrmstr","date":"2011-06-14","format":false,"excerpt":"Brett Stone-Gross Ryan Abman Richard A. 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