Last week, some Wear OS users noticed that Google Wallet was requiring them to enter their PIN code before enabling tap-to-pay. Google tells us that this is just a bug, and no changes are being made ...

If you have an Apple or an Android phone—and you probably do—you have the option of locking your phone using a PIN code. With most of these phones, you can choose a four-digit PIN or a six-digit PIN.

If you use a four-digit PIN number, your personal code may not be as secure as you think. PIN codes are commonly used to unlock iPhone or Android devices, access online banking, get cash out of an ATM ...

Four digit PIN codes protect everything from your bank account to your cell phone. But if you choose your PIN yourself, chances are your money and data isn’t as safe as you think. ABC News Australia ...