Two Factor Authentication (2FA) is a form of IT security that requires two separate authentication factors to verify a user’s identity. The two factors are typically something the user knows (e.g. a password) and something the user has (e.g. a physical token or a mobile device). 2FA is used to protect against unauthorized access to sensitive data and systems, and is often used in combination with other security measures such as encryption and firewalls. 2FA is becoming increasingly popular as organizations look to strengthen their security posture. It is often used to protect access to online accounts, such as banking and email, as well as physical access to buildings and other secure areas. Some companies in the 2FA market include Authy, Duo Security, Google Authenticator, Microsoft Authenticator, and RSA SecurID. Show Less Read more
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