Here's what to know about the messaging app used by Trump Administration officials to discuss military strikes on Yemen.

The Pentagon’s latest report makes one thing clear: Signal protects conversations, but it was never designed to safeguard U.S. war plans — and using it that way carried real risk for American forces.

As the majority of tech companies lean into AI features and AI agents, Signal’s president, Meredith Whittaker, is pushing back. The Signal boss told Fortune that the rise of AI agents poses an ...