According to quantum theory, communication systems based on single-photon signals, where two parties share random secret keys known only to them, could provide unbreakable encryption. However, ...

Forget about email hackers—what if someone nabs your external drive and all the data on it? Thwart thieves with the strong encryption and security features of one of our top-rated drive picks. (We've ...

The apparently imminent end of the federal government shutdown means Wall Street could soon be flooded by crucial reports on the U.S. economy that have been delayed for more than a month. First up: ...