Add Yahoo as a preferred source to see more of our stories on Google. Highly sensitive attack plans on Iranian-backed militants in Yemen were seemingly accidentally shared with a journalist as they ...

Top Trump administration officials accidentally shared highly sensitive attack plans on Iranian-backed militants in Yemen with a journalist on the messaging app Signal. Signal is a free, encrypted ...

On its 10th anniversary, Signal’s president wants to remind you that the world’s most secure communications platform is a nonprofit. It’s free. It doesn’t track you or serve you ads. It pays its ...

The eye-popping scandal surrounding the Trump cabinet’s accidental invitation to The Atlantic’s editor in chief to join a text-message group secretly planning a bombing in Yemen has rolled into its ...

The encryption protecting communications against criminal and nation-state snooping is under threat. As private industry and governments get closer to building useful quantum computers, the algorithms ...