For thousands of years, if you wanted to send a secret message, there was basically one way to do it. You’d scramble the message using a special rule, known only to you and your intended audience.

Maintaining a truly smart home takes more than simply connecting to a digital assistant and a voice-activated speaker. Smart locks—or smart deadbolts, more accurately—streamline your daily routine and ...

Almost everyone has experienced fumbling for keys in the dark, misplacing a set right before leaving the house, or worrying about who might have a copy. Traditional keys come with real drawbacks. They ...

Never get locked out again with a smart lock you can control from your phone, with your face, or with a fingerprint. Never get locked out again with a smart lock you can control from your phone, with ...

My sister got locked out of her house for the third time in six months last spring. She called from her porch, frustrated and embarrassed, waiting for a locksmith to charge $200 for ten minutes of ...

The security system that underlies the internet makes use of a curious fact: You can broadcast part of your encryption to make your information much more secure. When you purchase through links on our ...