Universal 2nd Factor (U2F): History, Evolution, Advantages
A password verification process relies on something a person knows, like a string of numbers and letters. A Universal 2nd Factor process adds on a verification detail based on what someone has, like a key fob or a chip. It creates an encrypted token that cannot be spoofed or hijacked. It's a more robust way of confirming identity.
Chrome, Firefox, Safari, Edge, and Opera support Universal 2nd Factor protocols. Some Microsoft products also allow for U2F verification, and Facebook and a few other social media sites do too.
es. In 2018, Google said no employee accounts were successful phishing victims after the company enabled U2F verifications. Google has more than 85,000 employees, so this is no small feat.
The FIDO Alliance makes all the technical specifications available to everyone without charge.