We’ve all been there. It’s 2 a.m. and you hear an eardrum-piercing beep. Your first reaction is to cover your head with a pillow and pretend it never happened. Eventually the slow chirping takes ...

There are 10,000 possible security alarm code combinations (using the numbers 9-0). So, theoretically, if a thief wanted to try to guess your 4-digit code they’d have a 1 in 10,000 chance of getting ...