Worried about AI privacy? This new tool from Signal's founder adds end-to-end encryption to your chats ...

A magazine journalist's account of being added to a group chat of U.S. national security officials coordinating plans for airstrikes has raised questions about how highly sensitive information is ...

Elon Musk has escalated a high-profile debate over the security of consumer messaging platforms by asserting that “WhatsApp is not secure” and that even Signal, long regarded as a benchmark for ...

Democrats stretching back nearly a decade have touted the use of the encrypted messaging app Signal, long before the Trump administration came under the national spotlight for using the app to discuss ...

The drama this week over the Trump administration Signal group chat about a strike on Houthis in Yemen in which The Atlantic Editor in Chief Jeffrey Goldberg was inadvertently included has been ...