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What Is Two-Factor Authentication (2FA)?
Two-factor authentication (or two-step authentication) is an important security measure that adds a second layer of protection in addition to your password. Adding this additional security layer makes it much harder for hackers to break into your accounts. Learn how two-factor authentication (2FA) works and how to implement it to dramatically improve your digital security.
How does 2FA work?
Two-factor authentication works by adding an extra layer of security to your account — an additional login step — to prevent someone from logging in even if they have access to your password.
When you sign into any of your online accounts, the basic level of authentication requires only your password to log in — that’s one step to verify your identity. 2FA adds a second piece of info (or a second layer) that you need to provide before you can get access to your account.
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