A pair of US lawmakers are calling for an investigation into how easily spies can steal information based on devices’ electromagnetic and acoustic leaks—a spying trick the NSA once codenamed TEMPEST.

To some extent, we all have a (sometimes irrational) fear that our computer could be spying on us. Not just what we do on the computer, but what we do in front of it. I remember some classmates would ...

Forbes contributors publish independent expert analyses and insights. Zak Doffman writes about security, surveillance and privacy. Just ahead of the holidays, two separate updates have worried ...