Whittaker was forced to respond to a political firestorm after a White House blunder turned private chats into a national ...

According to a memo sent to all House members on Monday, WhatsApp was deemed as ‘high risk’ due to ‘potential security risks ...

Judge Boasberg said Trump officials likely neglected record-keeping duties using auto-deleting Signal messages and ordered ...

The Federal Records Act requires the government to maintain records that document its activities, among other things.

A federal judge said Friday it’s too late to order the recovery of already-deleted Signal messages from key members of ...

Former national security adviser Mike Waltz was photographed using a Signal-like messaging app during Wednesday’s Cabinet meeting, more than a month after he first came under intense scrutiny ...

Defense Secretary Pete Hegseth is expected to field sharp questions from members of Congress about his tumultuous start as Pentagon chief in a series of hearings beginning Tuesday. He's likely to ...

The Pentagon inspector general’s office, which is examining the episode, also has questioned potential witnesses about any orders to delete sensitive messages.

National Security Adviser Mike Waltz is facing backlash after denying that military attack plans were shared in a leaked Signal chat as newly published messages contained details about U.S ...