Scams & Online Safety
What Is Two-Factor Authentication?
Two-factor authentication, often called 2FA, adds a second check when you sign in to an account.
What’s happening?
With 2FA, your password is only one part of the sign-in. The account may also ask for a code, an approval on your phone, or another trusted check.
Why it matters
- Your account offers 2FA as an extra security option
- You turned it on and now the account asks for a second check
- A sign-in from a new device triggered a security check
How to set it up safely
- Turn on 2FA in the account's normal security settings when it is available.
- Choose a method you understand, such as an authenticator app, text message, or approval on your phone.
- Keep backup sign-in options in a safe place. They can help if you lose your phone.
- When you receive a security code, enter it only on the sign-in screen you opened yourself.
- Never read a one-time security code to someone who calls, texts, or emails you unexpectedly.
Stop here
Stop if you receive a code for a sign-in you did not start. Someone may be trying to sign in to your account. Do not approve the request or share the code.
Still having trouble?
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