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

It’s a more extensive use of the app than previously reported and sheds new light on how commonly the Trump administration’s ...

Democratic leaders of key House committees are reigniting calling for national security adviser Mike Waltz to step down.

Former national security officials reacted with shock and horror to revelations in The Atlantic that top members of President Donald Trump’s Cabinet sent detailed operational plans and other likely ...

The team led by U.S. President Donald Trump's national security adviser, Mike Waltz, set up at least 20 group chats on the commercial Signal app to coordinate official work on issues involving China, ...

The Atlantic’s Editor-in-Chief was added to a government group chat on messaging app Signal, which is raising security concerns about where sensitive military conversations take place.

The National Security Council confirmed the message ... pushed back against concerns Signal is insecure because it is not an official government channel. “The world of encryption is a lot ...

The so-called vulnerabilities mentioned regarding Signal are not with the app or its security. Instead, the issues are related to what is always the weakest link with any digital communications ...

Along with the political problems of “Signalgate,” there are other more serious issues confronting the U.S. government. That’s particularly true for the NSA, according to Bruce ...

LITTLE ROCK (KATV) — Retired Army Colonel Marcus Jones, with a background in national security, shared his insights on the recent signal leak that has stirred public concern. "The only way it ...

US president defends key security official after journalist says he was added to group chat about air strikes.

“All concerns haven’t been addressed ... The Wall Street Journal reported this week that Waltz had created other Signal groups to discuss national security matters and that an ally, Israel, was ...