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 ...

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 ...

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 ...