Picture this: You're controlling your thermostat from a beach somewhere, turning on lights with your voice, and unlocking your front door from miles away. Sounds like living in the future, right? Yet ...

Our experts frequently run across worries on Reddit and other forums about criminals hacking into smart homes, taking control of home cameras, jamming security systems or smart locks and other fears.

It used to be that to get into your home, you needed a key. If you lost that key, you either had to call a locksmith (or maybe your landlord) or break into your own home. If you happened to be 10-year ...