This other factor in MFA can be any two of the following:

Contrary to this, the username and password method only use a single factor, the password. Multi-factor authentication (MFA), often called two-factor authentication (2FA), is a method of using more than one authentication factor for accessing online accounts. What is Multi-Factor Authentication (MFA) Even the best passwords can be cracked with enough time and that is why you need a second layer of defense for your online accounts and that is multi-factor authentication. This is why, having a strong, unique password is the first step in securing your online accounts, but it doesn't stop there. When it comes to securing online accounts, most people don't think beyond a username and password and even then, they re-use their passwords or use weak passwords.īoth of these habits are bad security practices as any hacker worth his salt can find a way to crack these passwords and take control of your online accounts. Best Hardware Security Keys for Multi-Factor Authentication

Google security key price