Plus: The Department of Homeland Security begins surveilling immigrants' social media, President Donald Trump targets former CISA director who refuted his claims of 2020 election fraud, and more.

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

From a national security breach to “The Group Chat” series on TikTok, the messy dynamics of group communication are igniting ...

Along with the political problems of “Signalgate,” there are other more serious issues confronting the U.S. government. That’s particularly true for the NSA, according to Bruce ...

WASHINGTON — The Atlantic on Wednesday released the entire Signal chat among senior national security officials ... "based on the policy relevance of attendees to the issues being considered, the need ...

The White House has spent the week trying to downplay the revelation that top national security officials ... on Houthi militants over Signal, a commercial messaging app. In a stunning breach ...

Meanwhile, Federal Judge James Boasberg ordered Trump officials to preserve all communications on Signal, a commercial encrypted messaging app. Officials used the app ... continues to be an issue for ...

An E2EE messaging app will protect your messages as they leave your device and go to someone else’s. Signal also has a good security pedigree. It’s run by a non-profit organization registered ...

The issue is its use. As an E2EE app, Signal’s bona fides surpass Messenger and WhatsApp ... but often also at secured locations. People who have high security clearances might only be able to use ...

More: Is 'Signal' keeping your private info safe ... "there's an operational security issue," he said. Ravey said Hegseth, Waltz or other members of the chat should have immediately reported ...