An image of the Signal app is shown on a mobile phone in San Francisco, March 18. LONDON — A magazine journalist's account of being added to a group chat of U.S. national security officials ...

A lawsuit over the Trump administration’s infamous Houthi Signal group chat has revealed what steps departments took to ...

WhatsApp uses Signal's encryption protocol, so your chats and calls are just as end-to-end encrypted as those on Signal. But ...