The FBI and CISA have issued a joint warning to users of encrypted messaging apps as thousands of accounts are compromised.

In a statement, the department said the app serves as a supplemental communication tool, similar to phone calls, text ...

Officers set messages in the Signal app to delete after 24 hours in some cases. People in the legal field say that raises ...

FBI warns Russian intelligence-linked hackers are targeting Signal users, including U.S. officials and journalists, ...

Moxie Marlinspike says the technology powering his encrypted AI chatbot, Confer, will be integrated into Meta AI. The move ...

Add Yahoo as a preferred source to see more of our stories on Google. Signal, the most secure widely available messaging app, has become a go-to resource for journalists, leakers and other people ...

FBI Warns of Russian Phishing Targeting Signal and WhatsApp Users Cybersecurity officials are sounding the alarm after the FBI warned ...

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 ...

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 ...