Reuters identified more than 60 unique government users of the messaging platform TeleMessage in a cache of leaked data provided by Distributed Denial of Secrets, a US nonprofit whose stated mission ...

TeleMessage drew media attention after a Reuters photograph showed Mike Waltz checking its version of Signal during a cabinet ...

Review finds texts from over 60 government employees in hack of TeleMessage public records compliance service after ex-Trump adviser Waltz spotted checking messages via application ...

The news agency found that dozens of officials were using the messaging platform TeleMessage after reviewing leaked data provided by Distributed Denial of Secrets. The nonprofit's mission is to ...

The company behind the Signal clone used by at least one Trump administration official was breached earlier this month. The hacker says they got in thanks to a basic misconfiguration.

CISA has added a medium-severity vulnerability discovered in TeleMessage TM SGNL, the messaging application that was used by the former national security advisor Mike Waltz, to its Known Exploited ...

Sharon Ringel, a digital-archives scholar at the University of Haifa and former Tow Center fellow, told me that the TeleMessage story goes beyond security concerns—it also raises broader questions ...