As one of the last federal agencies to face major changes in President Trump’s norm-bending second term, the CIA is bracing ...

National security officials are using commercial apps over secure communications systems that feel burdensome. New apps offer ...

Trump administration officials testify to Congress and Joe Biden slams Trump on dealings with Russia over the Ukraine war.

The Trump admin directed U.S. intelligence agencies to step up information gathering on Greenland, The Wall Street Journal ...

The messaging app used by some members of the Trump administration and the US government has been hacked, according to a new ...

New reports reveal that Hegseth took part in more than a dozen Signal chats and that he halted Ukraine military aid without ...

A centralized system with unprecedented access to data about Social Security, taxes, medical diagnoses and other private ...

They did, however, discover a largely overlooked behavior that should give some group messaging users pause: Like other messengers billed as secure—with the notable exception of Signal—WhatsApp ...

Revelations about the defense secretary’s passwords came after he discussed details of planned U.S. airstrikes on a messaging ...

TeleMessage's modified Signal app, TM SGNL, used by Trump officials, has been found to allow plaintext chat access, leading ...

President Donald Trump made a surprise announcement on Tuesday that the United States would stop bombing the Houthis in Yemen ...

President Donald Trump announced he has ordered a stop to airstrikes on the Houthis after the group told the United States ...