Two-factor authentication: How and why to use it

Two-factor authentication requires (a)   ways of proving your identity and can also be used to protect your various online accounts.

Two-factor authentication is also known as two-step verification or (a)   authentication

The abbreviation for two-factor authentication is:

• 2FA

• TFA

• 2-FA

• T-FA

After you enter your password -- the first authentication factor -- the second factor usually arrives by (a)   .

Alternatively, you can use a dedicated (a)   to receive codes instead of having them texted to you.

Receiving codes via SMS is (a)   secure than using an authentication app.

Two-factor authentication prevents a (a)   portion of hackers from targeting your account; many will simply move on and find easier accounts to break into.