backup code two-factor

2 Factor Authentication Backup Code

When it comes to online security, two-factor authentication is seen as one of the most reliable methods. This extra layer of security requires something you know (like a password) and something you have (like a one-time code or security key). But what happens if you lose your security key or phone? That’s where two-factor authentication backup codes come in.

Backup codes are a series of codes that can be used as a second form of authentication when you can’t use …