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.

Download the official "iCloud Passwords" extension for Chrome. Windows users also need the iCloud for Windows app. You must enter a six-digit verification code whenever you launch Chrome, after ...

Then, they contact you, claiming they found your pet, and send you a six-digit verification code. The scammer asks you to provide the code back to them to prove your identity.