What's a verification code, and why are they so important? Six-digit verification codes are a form of two-factor authentication, a process that helps keep your important online accounts secure.

Opinion: Think of your account password and the verification code as working together, similar to a doorknob lock and a deadbolt.

Opinion: Think of your account password and the verification code as working together, similar to a doorknob lock and a deadbolt.

The Federal Trade Commission says scams are getting more complex, and highlights one scam that tries to get consumers to share verification codes.

Google is changing the way you confirm if contacts are legit. The company has begun rolling out a QR code to verify that the ...

A new feature has been spotted in Google Messages beta that allows you to verify your contacts' devices with a QR code.

The Federal Trade Commission says scams are getting more complex, and highlights one scam that tries to get consumers to share verification codes.