A third top Pentagon official was placed on administrative leave Wednesday in the fallout of a major leak of sensitive U.S.

Darin Selnick, US deputy chief of staff, faces suspension amid a probe into Pentagon leaks linked to a Signal group chat.

A watchdog group has said the exchanges on the Signal app were federal records, and sued in an effort to preserve them.

From a national security breach to “The Group Chat” series on TikTok, the messy dynamics of group communication are igniting ...

A leak of 190,000 chat messages traded among members of the Black Basta ransomware group shows that it’s a highly structured ...

WASHINGTON – National Security Adviser Mike Waltz told Fox News on Tuesday he took “full responsibility for inviting a reporter onto a group Signal app chat of Trump administration officials ...

The leader of the defunct “gay furry hacker” group SiegedSec, known for releasing 200 gigabytes of leaked data from the Heritage Foundation last July, may have been the subject of an FBI raid, ...

The defense boss spewed details with the eagerness of a boy playing war games. Hegseth and the other chat group members now ...

Eighteen government officials including Defense Secretary Pete Hegseth and VP JD Vance were in on the group conversation, ...

The Pentagon’s internal watchdog notified the defense secretary of a probe into whether he shared classified information last ...

Many suspected the girl had gained access to the information through her father, since Baidu has data on hundreds of millions of Chinese people from its search engine and other apps. Mr Xie and Baidu ...