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

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

As with any security-focused app, the security is only as robust as the person using it. Signal is designed to encrypt your ...

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

Martin Heinrich (D–N.M.), Ratcliffe added: "Signal is a permissible use ... news service reported last week in a piece that ...

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 ...

Democratic leaders of key House committees are reigniting calling for National Security Advisor Mike Waltz to step down.

As reports continue to come out about President Donald Trump's administration’s use of Signal, the company issued a statement Tuesday to clear the air, saying its software is "the gold standard ...

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

A magazine journalist's account of being added to a group chat of U.S. national security officials coordinating plans for airstrikes has raised questions about how highly sensitive information is ...