Using lasers to detect bombs could lead to faster and more efficient security checkpoints for passengers and luggage.
With just a plastic box and some over-the-counter sensors, a man has created an NSA-like spying device.
It's called the Robotic Reconfigurable Button Basher, and it can do what people won't: try out every numeric combination that might be locking your Android.
Scientists have released a study showing that if eye-tracking were actually user-friendly, there would be no more need for passwords.
Forget memorizing complex strings of letters and numbers based on your dead dog's favorite birthday: soon, you'll access all your data simply by being you.
DNA spray can mark criminals at the crime scene with a specific genetic sequence for later identification.
Can't run Tor? Here's another way to make sure the NSA isn't peeping.
A group of leaders in government and law enforcement has called for a national effort to compel smartphone makers to embed kill switches in their devices in the hopes of stemming rising street thefts.
Like the Nest, the new August Smart Lock takes advantage of the ubiquity of smartphones and Internet access to offer a truly keyless security system that anyone can afford.
Motorola's CEO and head of research at revealed pretty ambitious plans for the company that includes some of the most cutting-edge authentication tech: electronic tattoos and sensor pills.