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.

When I updated iOS on my iPhone, I was forced to choose a six-digit passcode instead of a four-digit one. Is there any way to go back? As part of its drive to increase security on Apple devices ...

But National Grid’s proposal today follows a similar pattern of unprecedented, double-digit rate hikes sought by other New York utilities in recent months, including big rate hikes sought by ...

New estimates from a security researcher suggest GrayKey, a digital forensics tool in active use by U.S. law enforcement agencies, is capable of cracking Apple's standard six-digit iPhone passcode ...

Barely one week into August, Texas' struggling power grid is already forecasting all-time record high demand during this week's soaring triple-digit temperatures. The energy regulatory body's six ...

Beneficiaries of Department for Work and Pensions (DWP) support are discovering "unexpected" payments in their bank accounts, accompanied by a six-digit reference code. These transactions ...