A Pentagon-wide advisory that went out one week ago warned against using Signal, the messaging app, even for unclassified ...

Hegseth created the separate Signal group initially as a forum for discussing routine administrative or scheduling ...

Defense Secretary Pete Hegseth shared details of a March attack on Yemen's Iran-aligned Houthis in a message group that ...

US Defense Secretary Pete Hegseth shared information on forthcoming US air strikes on Yemen in a private Signal chat group ...

For that reason, the former Army Ranger ... used Signal, an open-source encrypted messaging app that the Pentagon warned agency personnel against using just days after the leak due to a risk ...

Top Trump administration officials accidentally shared highly sensitive attack plans on Iranian-backed militants in Yemen with a journalist on the messaging app ... military in the world uses ...

The president of Signal defended the messaging app's security on Wednesday after top Trump administration officials ...

Military and intelligence experts and some members of Congress have expressed shock over the inadvertent leak, raising questions about ... security officials to communicate on Signal,” Goldberg added.

Pentagon watchdog to review Hegseth’s sharing of Houthi strike plans in Signal chat The Pentagon ... use of the Signal messaging app to convey plans for a military strike against Houthi ...

Political fallout is mounting as some Republicans are breaking with the White House on the severity of the leak.

"Now including the opportunity for the vice president of the United States of America to randomly add you to a group chat for coordination of sensitive military operations. Don’t sleep on this ...