While setting up a lock screen PIN on your Android or iPhone, there's always the fear that you might forget it one day. That's especially true if you usually rely on quicker methods without a password ...

It is quite common for Android smartphone users that I forgot the password to their phone, so how to get into a locked phone? Or perhaps there is a used phone and don’t know its password. You may be ...

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.