The Atlantic’s Editor-in-Chief was added to a government group chat on messaging app Signal, which is raising security concerns about where sensitive military conversations take place. Signal is a ...

The president of Signal defended the security of the encrypted messaging app on Tuesday after a bombshell report revealed top Trump administration officials used the app to discuss airstrike plans ...

Branded is a weekly column devoted to the intersection of marketing, business, design, and culture. The controversy around “Signalgate”—top government officials accidentally including a journalist in ...

The clone, TeleMessage, was the subject of a reported hack in which the contents of some direct messages and group chats were stolen. By Julian E. Barnes U.S. intelligence and international security ...

A security breach in an unofficial version of the encrypted messaging app Signal has raised concerns about the vulnerability of communications within the highest levels of the US government, according ...

The president of secure messaging app Signal has warned of the security implications of agentic AI, where artificial intelligence (AI) can access systems to help people achieve certain tasks. In the ...