Posted by Vishwath Mohan, Security Engineer
[Cross-posted from the Android Developers Blog]
To keep users safe, most apps and devices have an authentication mechanism, or a way to prove that you’re you. These mechanisms fall into three categories: knowledge factors, possession factors, and biometric factors. Knowledge factors ask for something you know (like a PIN or a password), possession factors ask for something you have (like a token generator or security key), and biometric factors ask for something you are (like your fingerprint, iris, or face).
Biometric authentication mechanisms are becoming increasingly popular, and it’s easy to see why. They’re faster than
This post first appeared on Google security. Read the original article.