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

Signal's encryption protocol is open source ... should check for a classified message sent through other means. Beyond concerns about security, Signal and other similar apps may allow users ...

Following a week of headlines about Signal, tariffs and Greenland, the president waved off concerns that his agenda is causing volatility on Wall Street or decreasing consumer confidence ...