A few days ago, my colleague Calvin shared an interesting fact about GrapheneOS: The custom ROM allows him to set a duress PIN that completely erases the phone when he enters it, including encryption ...

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 ...

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 ...