When top aides to US President Donald Trump recently discussed military strikes against Yemen’s Houthi militants, they turned to Signal—a messaging app prized for its secrecy. Launched in 2014, Signal is a free, open-source app that promises ironclad privacy. It uses 'end-to-end encryption', meaning only the sender and recipient can read messages—not even Signal itself.
When top aides to US President Donald Trump recently discussed military strikes against Yemen’s Houthi militants, they turned to Signal—a messaging app prized for its secrecy. Launched in 2014, Signal is a free, open-source app that promises ironclad privacy. It uses 'end-to-end encryption', meaning only the sender and recipient can read messages—not even Signal itself.