TeleMessage Breach Exposes Sensitive Government Communications

Monday, May 5, 2025, 12:21 pm

A significant security breach at TeleMessage—a provider of modified messaging apps for U.S. officials—has uncovered sensitive direct messages and personal data. The hack underscores persistent vulnerabilities in government-secured communications, forcing officials to scramble for solutions as their supposedly secure digital channels turn into a rather messy open book.

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General breach exposure details

techcrunch.com / TeleMessage, a modified Signal clone used by US government officials, has been hacked

A hacker has exploited a vulnerability in TeleMessage, which provides modded versions of encrypted messaging apps such as Signal, Telegram, and WhatsApp, to extract archived messages and other data relating to U.S. government officials and companies who used the tool, 404 Media reported.…

techspot.com / Hacker breaches TeleMessage system used by US officials, raising security concerns

An investigation by 404 Media has uncovered a major security breach at TeleMessage, an Israeli company that provides modified versions of encrypted messaging apps – most notably Signal – to US government agencies and private-sector clients for message archiving. The breach, which exposed sensitive…

Mike Waltz app controversy

wired.com / Signal Clone Used by Mike Waltz Pauses Service After Reports It Got Hacked

The communications app TeleMessage, which was spotted on former US national security adviser Mike Waltz's phone, has suspended “all services” as it investigates reports of at least one breach.

theregister.com / Signal chat app clone used by Signalgate's Waltz was apparently an insecure mess

No, really? That's a shocking surprise 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.…

gizmodo.com / Signalgate: Modified Signal App Used by Former National Security Advisor Was Hacked

The security failure goes far beyond the Pentagon.

Trump official app shutdown reports

arstechnica.com / Signal clone used by Trump official stops operations after report it was hacked

Mike Waltz needs to find a new app.

bleepingcomputer.com / Unofficial Signal app used by Trump officials investigates hack

TeleMessage, an Israeli company that sells an unofficial Signal message archiving tool used by some U.S. government officials, has suspended all services after reportedly being hacked. [...]

reuters.com/business / App used by Trump adviser says it is temporarily suspending services following reported hack - Reuters

App used by Trump adviser says it is temporarily suspending services following reported hack  Reuters

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