Donald Trump's national security adviser Mike Waltz has already been ousted for using a crappy Signal clone — but the fallout ...

A new US indictment against a group of Russian nationals offers a clear example of how, authorities say, a single malware ...

It looked like Signal (popular because it's allegedly secure), but it was actually a modified version of it, called TM SGNL, ...

A hacker breached TeleMessage, a messaging platform used by U.S. officials, leaking data from over 60 government users, including disaster responders and diplomats. The incident raises ...

Once little known outside government and finance circles, TeleMessage drew media attention after an April 30 Reuters photograph showed Waltz checking TeleMessage's version of the privacy-focused app S ...

Politico has rules about AI in the newsroom. Staffers say those rules have been violated—and they’re gearing up for a fight.

Yarden Bibas speaks of meeting Sinwar while in captivity • US intel suggests Israel preparing strike on Iran's nuclear ...

The discovery potentially raises the stakes of a breach that has already drawn questions about data security in the ...

Ammon News - Reuters revealed in an investigation that the TeleMessage communication platform was subjected to a cyberattack earlier this month, targeting the data of several of its users, including ...

Signal's Windows desktop app now blocks Microsoft's Recall AI from screenshotting chats, citing major privacy concerns and ...

The breach raises new concerns about data security across federal agencies. Reuters identified more than 60 US government personnel using the messaging platform TeleMessage, which is designed to make ...