User Fingerprinting Through Social Media Account Login Tokens ⇥ robinlinus.github.io

Robin Linus demonstrates an impressively straightforward technique for fingerprinting users by testing which social networks have an active login token. This reminds me a little of Epic Marketing’s equally simple history sniffing technique — albeit, in a much more limited capacity.

You should know that this link sniffs several popular sites with login forms, which, naturally, includes a couple of porn sharing sites. Depending on your workplace security settings, that might raise a red flag or two.