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Signal chat app clone used by Signalgate's Waltz was apparently an insecure mess

The Register · Thomas Claburn · last updated

An unidentified miscreant is said to have obtained US government communications from TeleMessage, a messaging and archiving app based on the open-source Signal app and used by ousted national security advisor Michael Waltz.

TeleMessage, which was acquired by Oregon-based Smarsh in 2024, says it’s shut the app down for now.

Related Knowledge Center: Signalgate

State of Play

The inadvertent inclusion of the Atlantic editor on a Signal group chat sharing information about a pending U.S. military strike has created an uproar of accusations and denials. It’s also exposed a Pandora’s box of shoddy digital security practices within the Trump administration  

The White House vs. the press | Digital privacy and data security


More informationabout Signalgate

Related Knowledge Center: Digital privacy and data security

State of Play

If you’re online, you’re generating a constant stream of information about yourself — sometimes voluntarily, sometimes unwittingly — that is assembled and used to craft your online experience. And generate wealth for data brokers. Meanwhile, designers and managers of the digital infrastructure on which the world depends are engaged in a never-ending effort to thwart attempts, by both criminal enterprises and state actors, to exploit vulnerabilities in those systems.   

Signalgate | State surveillance


More informationabout Digital privacy and data security