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. For ...

When logging in to an app or service, you often have to authenticate by entering your email address or phone number and a one-time password sent via email or text message. Engineer Daniel Huang points ...

Tech journalist Rajiv Makhni exposes a new WhatsApp scam involving a fraudulent message from a known number asking for a 6-digit code. Victims unknowingly share their verification code, leading to ...

The speed with which it strikes is very alarming - my wife was on the phone to our son when a mutual friend messaged her to ask for a six-digit code, saying it was urgent. Distracted, my wife sent the ...

Nestled in the middle of iOS 9 announcements were two security-related bumps: Apple now suggests you sete a six-digit passcode instead of a four-digit one; and two-factor authentication becomes a ...