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 ...

Add Yahoo as a preferred source to see more of our stories on Google. The scam often arrives from a close friend. (Anna Barclay via Getty Images) WhatsApp has taken action against the ‘PIN Code scam’ ...