It’s up to 100 times harder to crack a truly random six-digit code (that is, not a pattern like “111111” or “123456”) than the same four-digit code.

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 ...

That’s how Android users can activate two-factor authentication in WhatsApp. WhatsApp will require this 6-digit code whenever you set up the WhatsApp account on a new phone or the same phone.

With a four digit PIN, there are a possible 10,000 combinations. But with a six digit code, there are 1 million possible combos, making it a lot tougher for someone to crack your security code.

It appears the hackers set up two-factor authentication on O'Campo's account, so the 6-digit code O'Campo needs to get back into her personal account is going to the hackers, not to her.

No one should ever ask you for a six-digit verification code — not a stranger on social media, not tech support, not even your bank. If someone does, end the conversation and block their number ...

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 ...