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.

Google’s system basically keeps all the security of a SIM PIN, while removing all the inconvenience. Just make sure you jot down the Android-managed PIN somewhere secure, in case your phone ever dies ...

Android secures your device by asking you for a PIN, pattern, or full password. What happens if you forget the security method you set up? If you're lucky, you can get back in easily—but that may not ...