Facebook always gives prior concerns to the uses security, and regarding this Facebook introduce a another security level to login on users accounts. Facebook introduce login via "Security Key" feature that allows users to login their accounts with a physical USB device.
As users use Two-factor-authentication features to tighten the security of their accounts, now with Security Key you can have a another level of security checkpoint on your account.
There are numbers of benefits for user using Security Key on there Account. Some the main features of Security Key are -
- Phishing protection: Your login is practically immune to phishing because you don't have to enter a code yourself and the hardware provides cryptographic proof that it's in your machine.
- Interoperable: Security keys that support U2F don't just work for Facebook accounts. You can use the same key for any supported online account (e.g. Google, Dropbox, GitHub, Salesforce), and those accounts can stay safe because the key doesn't retain any records of where it is used.
- Fast and Secure Login: If you use a security key with your desktop computer, logging in is as simple as a tap on the key after your enter your password.