Regardless of app security, experts say communicating the military plans of the U.S. government in a non-classified space creates a massive security vulnerability.

House Foreign Affairs Committee ranking member Gregory Meeks called the Signal breach 'the most astonishing breach of our national security in recent history.' ...

Scandal surrounding the Trump administration’s Signal group chat has led to a landmark week for the encrypted messaging app’s ...

It’s widely used at their agencies, they said, and even came pre-installed on their government devices. But conversations with a dozen current and former government employees reveal a hazier picture ...

It is not clear whether Signal was ... to determine any legal issues at this point. “Did the communications contain classified information?” one Washington-area cybersecurity expert told ...

Just as it did with Sweden, Signal is refusing to stay in a territory that undermines its encryption strategy, arguing that a ...

SIGNAL Media reached out to UnitedHealth Group for comment ... “Those organizations are struggling to survive economically, let alone catch up on all these cybersecurity issues,” he stated. He has had ...

set up at least 20 group chats on the commercial Signal app to coordinate official work on issues involving China, Gaza, Middle East policy, Africa and Europe, Politico reported on Wednesday ...

CISA, the Department of Homeland Security’s Cybersecurity and Infrastructure Security Agency, has recommended the use of Signal instead of less secure ... at risk by using chats to discuss sensitive ...

Signal cannot be downloaded onto official federal devices. This alone creates a host of cybersecurity issues. “Their personal phones are all hackable, and it's highly likely that foreign ...