Staying aware of your surroundings matters. That includes hearing smoke alarms, appliance beeps or a knock at the door. Still, real life gets busy. You wear headphones. You get focused. Sounds slip by ...

Over the weekend, Google acquired SlickLogin, a security startup that enables smartphone owners to log in to their PCs via an inaudible, high-frequency sound. SlickLogin can be used for two-factor ...

My desktop has a microphone - I just don't remember which drawer or box of spare parts I tossed it in last time I used it. Wouldn't this be susceptible to an audio-logger attack? User logs in to site ...