If you hadn’t heard of Signal before Monday, chances are you have now. The secure messaging app, available for iPhones and Android devices, has long been popular with journalists because of its ...

Signal touts the privacy of its service, and experts agree it is more secure than conventional texting. But they also caution that it could be hacked. And in February 2025, ...

NSA warned about using Signal a month before leak of Houthi strike chat 12:41. The National Security Agency sent out an operational security special bulletin to its employees in February 2025 ...

Messaging app Signal is in the news, and not for anything positive. Defense Secretary and former Fox News contributor Pete Hegseth recently demonstrated how not to use a secure communications ...

Trump officials downplay the Signal leak. Some military members see a double standard The news of the leak of life-and-death operational details to a reporter lands differently with veterans and ...

What to know about Signal, which the Pentagon previously discouraged workers from using. Trump officials have come under fire for using the app to discuss war plans.

That doesn’t mean Signal is the ideal service for communicating war plans. If a user’s device is compromised, his or her Signal messages could be read — and using a government-approved ...

The app was released over a decade ago in 2014, and more than 40 million people were using the app for encrypted messaging as of 2022, according to the BBC.The app gained popularity in January ...

Waltz was at the center of the Signal chat about a strike on Houthis in Yemen. President Donald Trump's former national security adviser Mike Waltz was photographed using Signal during a Cabinet ...

The Signal group chat was made public after reporter Jeffrey Goldberg was mistakenly added to the conversation. In a March 24 article published in The Atlantic , Goldberg wrote it was Waltz who ...

Pete Hegseth defending himself after he shared information in a second Signal group chat with family members and his personal lawyer, arguing the messages were “informal” and “unclassified." ...