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 national security adviser's use of the messaging app is under scrutiny after he mistakenly added a journalist to a ...

Another sticky spot is that government regulations require a record of communication. Signal—and other secure messaging ...

The report indicates a far more extensive use of the Signal app by Trump's national security team than previously reported.

Four sources tell Politico they were aware of at least 20 chat groups, all four confirmed sensitive information was discussed ...

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

Senior Trump administration officials used Signal, an encrypted messaging app, for military discussions and accidentally included a journalist, exposing sensitive information. This incident has ...

The Pentagon has issued a stark warning against the use of the encrypted messaging app Signal, raising concerns over cybersecurity lapses at the highest levels of government. This advisory comes in ...

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This reveals a greater use of the app than previously known and highlights the extent to which the Trump administration’s ...

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

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