Forbes contributors publish independent expert analyses and insights. Davey Winder is a veteran cybersecurity writer, hacker and analyst. Keeping your iPhone or Android device secure is a no-brainer.

Guess how long it would take a computer to brute-force an 8-number password. The answer: instantly. That's according to Hive Systems' Password Table, which shows how shockingly quick passwords of ...

Unless your profession is high-risk or you campaign against an authoritarian regime, you can ignore stories about WhatsApp spyware. You are not at risk—at least not from that type of sophisticated ...

You’ve likely seen a list of top 25 passwords that get reused time and time again – “password” is a usual suspect – but what about phone PIN numbers? How ...

Add Yahoo as a preferred source to see more of our stories on Google. The scam often arrives from a close friend. WhatsApp has taken action against the 'PIN Code scam' that has spread widely this year ...

What's safer? Using a numeric PIN code to unlock your Android smartphone or relying on a finger squiggle? Newly-released research suggests that, at least when someone close by could be looking over ...