Firefox to add Tor anti-fingerprinting called letterboxing
Mozilla is scheduled to add a new user anti-fingerprinting technique to Firefox with the release of version 67, scheduled for mid-May this year. Advertising networks often sniff certain browser features, such as the window size to create user profiles and track users as they resize their browser and move across new URLs and browser tabs. Called “letterboxing,” this new technique adds “gray spaces” to...