US Navy renews training in celestial navigation over GPS hack fears

Now that the US Navy is bringing back celestial navigation, we might want to ask ourselves what other technologies we depend on without a backup, and what would happen to us if those technologies failed.

Self-driving cars can be stopped with a laser pointer

Security researcher Jonathan Petit was able to launch a denial-of-service attack against a self-driving car by overwhelming the car’s sensors with images of fake vehicles and other objects.