President Donald Trump said Thursday that he is nominating national security adviser Mike Waltz as United Nations ambassador ...

Mike Waltz is expected to be removed from his position as US National Security Advisor after a security breach involving the ...

Meta is building Private Processing to enable AI features on WhatsApp. It will basically send your private messages to Meta's ...

A leak of information on American military operations caused a major political incident in March 2025. The Security Think ...

Privacy concerns have never been more critical in our digital communications. As government agencies target messaging platforms and data breaches become more ...

One of the top reasons group chats are preferred on either Apple's iMessage or RCS texting over Google Messages is the ...

The cumbersome, outmoded technology is a bad fit for the demands of national security work. Defense Secretary Pete Hegseth ...

From accidental leaks to unsecured networks, the encrypted messaging app has turned into a political landmine—exposing the ...

Trump’s interview with The Atlantic editor in chief Jeffrey Goldberg (on purpose, this time) is now out. If you choose to use Signal, we have some advice on how, but here’s the president’s take: > ...

The inclusion of Hegseth's wife—a former Fox producer with no military background—in the chat has raised questions about her ...

RONALD J. DEIBERT is Professor of Political Science and Director of the Citizen Lab at the University of Toronto Munk School ...

Plus: Cybercriminals stole a record-breaking fortune from US residents and businesses in 2024, and Google performs its final ...