When the world discovered that Trump administration officials were discussing highly classified information over Signal, it ...

The hacker reportedly gained access to customer data from TeleMessage, a Signal-like app that Waltz was seen using during a ...

TeleMessage, a communications app reportedly used by former U.S. National Security Adviser Mike Waltz, has suspended ...

Catalan victims are now renewing their fight to seek justice through the courts. One of them, former regional President Mas, ...

According to a report from 404 Media, a hacker accessed a government-used Signal clone developed by TeleMessage, an Israeli ...

TeleMessage, an Israeli software company that sells a modified version of the encrypted messaging app Signal to the U.S.

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

Days after the Pahalgam terror attack, India has witnessed several attempts at cyberattacks — websites have been defaced and ...

The lessons from Cold War operation Project Gunman carry a disturbing resonance in the face of today's digital espionage ...

RONALD J. DEIBERT is Professor of Political Science and Director of the Citizen Lab at the University of Toronto Munk School of Global Affairs and Public Policy. He is the author of Chasing Shadows: ...