The NSA has highlighted the risks of user behavior in secure messaging, focusing on Signal's Linked Devices and Group Invite ...

Last week, the White House said the National Security Council, the White House counsel office and President Trump adviser ...

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US president Donald Trump issued an executive order to terminate collective bargaining with federal labour unions in agencies ...

Welcome to the online version of From the Politics Desk, an evening newsletter that brings you the NBC News Politics team’s ...

National Security Adviser Michael Waltz’s congressional seat is ... “The Hill Sunday” host Chris Stirewalt and Decision Desk ...

As agencies scramble to comply with President Trump's Jan. 20 order terminating remote work, employees say the process has ...

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

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

Donald Trump is trying to spin the fact that his advisers shared confidential war plans in an unsecured group chat.

In a statement Tuesday morning, Leavitt claimed that “no ‘war plans’ were discussed in the group chat and that ‘no classified ...

Jeffrey Goldberg, the editor of The Atlantic, said he was mistakenly added to a group chat with U.S. national security ...