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.

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.

There’s no situation where you should share a six-digit verification code — not even with customer service or tech support. If someone asks you for your code, it's likely a scam.

Google Messages is rolling out QR code-based key verification to confirm that you’re “communicating with the person you intend to.” ...