Solidot: 加密流量分析揭示你是否怀孕或患重病

Solidot

奇客的资讯，重要的东西

加密流量分析揭示你是否怀孕或患重病
http://solidot.org.feedsportal.com/c/33236/f/556826/s/37e3e0cc/sc/28/l/0L0Ssolidot0Borg0Cstory0Dsid0F38623/story01.htm
Mar 7th 2014, 07:54

使用HTTPS加密连接访问网站可以防止监听。监听者顶多能知道你访问的网站IP地址，而不知道具体访问了哪个网页。但现在安全研究人员发表了一篇学术论文《I Know Why You Went to the Clinic: Risks and Realization of HTTPS Traffic Analysis》，称可以通过分析加密流量的差异，揭示出用户访问了哪个网页，了解网页内容是否与妊娠、头痛、癌症或自杀等信息有关。他们的方法很简单，先访问HTTPS网站的某个特定URL地址，收集加密流量数据特征，然后根据特征观察加密流量会话，判断用户访问了哪个地址。研究人员是根据高斯分布寻找加密流量之间的相似性。这项研究显示，加密数据并不意味着你的个人隐私能得到保护。This entry passed through the Full-Text RSS service — if this is your content and you're reading it on someone else's site, please read the FAQ at fivefilters.org/content-only/faq.php#publishers.



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