Hackers continue to try to exploit a forked signal app that is used to archive sensitive messages for compliance purposes, ...

Defense Department guidance specifically prohibited employees from using Signal to transmit non-public information ...

I was hoping to hear from you that you had some sense of regret over sharing what was very sensitive, timely information ...

Waltz was removed from his job as national security adviser after he accidentally added a journalist to his Signal chat about an attack on Houthis.

Researchers are seeing exploitation attempts for the CVE-2025-48927 vulnerability in the TeleMessage SGNL app, which allows retrieving usernames, passwords, and other sensitive data.

Hackers are exploiting a bug in the TeleMessage app, a clone of Signal, to steal users' private data, according to security ...

Senators questioned ex-Trump national security adviser Michael Waltz at confirmation hearing about a Signal chat that ...

President Trump nominated Waltz to be U.S. ambassador to the United Nations in May after he was ousted as national security adviser.

Mike Waltz, a former Republican Florida congressman, served for five months as Trump’s national security adviser before being dismissed for his role in mistakenly adding a journalist to a Signal ...

Senate Democrats will get a chance to scrutinize President Trump’s former national security adviser over his mishandling of sensitive military operations, during his confirmation hearing to the ...

While being intensely questioned by Senators Cory Booker (D-NJ) and Chris Coons (D-Del.), Waltz allegedly sought to downplay the scandal over leaked military information.

Waltz questioned about Signal chat fallout Sen. Chris Coons of Delaware questioned Mike Waltz on his use of the messaging app Signal while he was President Trump's national security adviser.