A demo of cross origin login detection for most major web platforms
HTML JavaScript
Latest commit d6b7b60 Jan 13, 2017 @RobinLinus committed on GitHub Update index.html

README.md

Your Social Media Fingerprint

Without your consent most major web platforms leak whether you are logged in. This allows any website to detect on which platforms you're signed up. Since there are lots of platforms with specific demographics an attacker could reason about your personality, too.

Demo

This is an open source contribution of RobinLinus Security, Privacy & Blockchain Consulting