This New Kind of “Supercookie” Works Even if You’re in Incognito Mode, on a VPN, or Have Flushed Your Cache

How many tabs do you have open right now? Whether at work or at home, it’s become normal for most of us to be overloaded with tabs. And what’s the common thing with all of them, which helps us quickly identify which is which? That’s right – favicons. But what at first glance appears to be just a harmless little picture now has the potential to be an unstoppable tracking vector.