Smartphones today compete over which can best secure your secrets. They encrypt your data, store the digital keys to unlock themselves on specialized hardware, and even offer fancy biometrics from ...

Though unlock patterns used by Android phones may seem more random — and therefore more secure — than passcodes, they can be surprisingly easy to crack. While there are hundreds of thousands of ...

If you’ve ever seen your friend unlock his or her phone with a pattern lock and thought, “I could hijack that phone,” you were probably right. A new study suggests that nearby observers can suss out ...