The encrypted messaging app Signal has become a critical tool for organizers following the actions of immigration agents in ...

Meredith Whittaker remembers exactly where she was when she read the story that would spark the first major crisis of the second Trump Administration—the debacle that became known as Signal-gate. The ...

U.S. Defense Secretary Pete Hegseth shared details of a March attack on Yemen's Iran-aligned Houthis with his wife, brother and personal lawyer, USA TODAY reported, via the same type of Signal app ...

Privacy-focused messaging app Signal announced on Monday that it’s introducing a feature that allows users to back up their text conversations for free, along with ...

National Security Advisor Mike Waltz and Deputy National Security Advisor Alex Wong are leaving the Trump administration. Their departure follows a March incident where journalist Jeffrey Goldberg was ...

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.

Jake Peterson is Lifehacker’s Tech Editor, and has been covering tech news and how-tos for nearly a decade. His team covers all things technology, including AI, smartphones, computers, game consoles, ...