What is Signal and is it secure?
Washington (AFP) Mar 25, 2025 Signal is an end-to-end encrypted messaging app that is considered one of the most secure in the world by security professionals, but was never intended to be the go-to choice for White House officials planning a military operation. What differentiates it from other messaging apps, and why has its use by top Trump officials planning strikes on Yemen raised concerns? - What is end-to-end

