The CIA’s chief data officer testified in court last month that he was unable to locate any “substantive messages” from CIA ...

WhatsApp uses Signal's encryption protocol, so your chats and calls are just as end-to-end encrypted as those on Signal. But ...

In some cases, federal agencies have permitted the use of Signal, the encrypted messaging app used by top Trump officials to ...

The move comes soon after far-right activist Laura Loomer urged Trump to purge staffers she deemed insufficiently committed ...

WASHINGTON — (AP) — President Donald Trump said Thursday that he's fired "some" White House National Security Council officials, a move that comes a day after far-right activist Laura Loomer raised ...

Mike Waltz faces criticism for using Gmail for official duties, with concerns raised about the ... a journalist to a confidential group on Signal app. The newspaper report claims that a senior ...

Defense Department investigators are looking into Secretary Pete Hegseth’s use of a Signal group chat to discuss bombing ...

Trump was urged by far-right activist Laura Loomer to purge staffers she deemed insufficiently committed to his agenda, several people familiar with the matter said Thursday.

Lawmakers and experts alike have raised concerns that use of Signal and Gmail ... about the potential security vulnerabilities of using publicly available apps, and Republicans were quick to ...