Michael Waltz, who served as National Security Advisor in the Trump administration, accidentally added a civilian to a group chat on the messenger app Signal, leaking top-secret military operations to ...

US Defense Secretary Pete Hegseth faces scrutiny over using the Signal app for sensitive military strike details, including minute-by-minute updates on a Houthi operation. The Pentagon's watchdog ...

US Defense Secretary Pete Hegseth risked endangering troops by using the Signal messaging app to discuss a strike on Houthis in Yemen, sources say a Pentagon watchdog report finds. Hegseth's use of ...

The Signalgate scandal that enveloped US Secretary of Defense Pete Hegseth in March appears to be symptomatic of a wider lax attitude towards the use of non-approved messaging apps by officials and ...

The Pentagon’s watchdog determined that War Secretary Pete Hegseth put US personnel and their mission at risk by using the Signal messaging app to share sensitive information about a military strike ...

US Defense Secretary Pete Hegseth is back in the political hot seat as the Pentagon’s watchdog alleged he put American personnel and missions at risk by using the Signal messaging app to share ...