Simon Willison’s Weblog

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34 items tagged “privacy”

2007

Sun’s OpenID IdP: Data Governance. Lauren Wood explains the checklist used to ensure Sun’s OpenID provider adequately respected user privacy and data governance (what happens to the data that is stored). # 22nd September 2007, 8:50 pm

It’s still a privacy concern. If, for example, I work at and post from Microsoft all day and my identicon is that of the MS Proxy Server then I would be able to identify other mefi users who are my co-workers because our identicons would match.

vacapinta # 29th January 2007, 4:12 am

Visual Security: 9-block IP Identification. Smart (and pretty) trick for showing a representation tied to a commenter’s IP address without affecting their privacy. # 18th January 2007, 4:55 pm

2004

non-consensual http user tracking using caches. Interesting security issue involving HTTP caching headers # 20th January 2004, 10:37 pm