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

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

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

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

The team led by U.S. President Donald Trump's national security adviser, Mike Waltz, set up at least 20 group chats on the ...

The nation’s top intelligence officials have told lawmakers that it was routine for them to discuss sensitive national security issues on the encrypted messaging app Signal. It’s widely used ...

It was warning against phishing scams targeting Signal users," the statement read. "Phishing isn’t new, and it’s not a flaw in our encryption or any of Signal’s underlying technology.

The Trump cabinet’s shocking leak of its plans to bomb Yemen raises myriad confidentiality and legal issues. The security of the encrypted messaging app Signal is not one of them. Plus ...

Signal's encryption protocol is open source ... should check for a classified message sent through other means. Beyond concerns about security, Signal and other similar apps may allow users ...

Even if Signal had perfect, uncrackable security, high-level White House staff using it to discuss classified information would still be a problem.

Okta CEO Todd McKinnon addresses the Signal group chat incident and said it was likely a usability issue rather than cyber infrastructure.