CITP Blog - Formerly Freedom to Tinker

Tag: web

  • A Peek at A/B Testing in the Wild

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    [Dillon Reisman was previously an undergraduate at Princeton when he worked on a neat study of the surveillance implications of cookies. Now he’s working with the WebTAP project again in a research + engineering role. — Arvind Narayanan] In 2014, Facebook revealed that they had manipulated users’ news feeds for the sake of a psychology study…

  • Verizon's tracking header: Can they do better?

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    Verizon’s practice of injecting a unique ID into the HTTP headers of traffic originating on their wireless network has alarmed privacy advocates and researchers. Jonathan Mayer detailed how this header is already being used by third-parties to create zombie cookies. In this post, I summarize just how much information Verizon collects and shares under their…

  • Researchers Show How to Forge Site Certificates

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    Today at the Chaos Computing Congress, a group of researchers (Alex Sotirov, Marc Stevens, Jake Appelbaum, Arjen Lenstra, Benne de Weger, and David Molnar) announced that they have found a way to forge website certificates that will be accepted as valid by most browsers. This means that they can successfully impersonate any website, even for…