Sen. Ron Wyden (D-Ore.) is calling on the Department of Justice to investigate the risks associated with Trump administration ...

A new analysis of TM Signal’s source code appears to show that the app sends users’ message logs in plaintext. At least one ...

Hackers say they have breached the message archiving system Trump officials have adopted since the Signal chat debacle in ...

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

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

A messaging service used by former National Security Advisor Mike Waltz has temporarily shut down while the company ...

The Defense Department inspector general last week expanded its investigation of Defense Secretary Pete Hegseth for his use ...

A Reuters photographer captured an image of Michael Waltz’s phone screen during a White House cabinet meeting, a day before ...

A Pentagon inquiry is examining how classified information ended up on the Defense Secretary’s unsecured personal phone.

The chat, in which Defense Secretary Pete Hegseth laid out plans for an upcoming military strike in Yemen, inadvertently ...

Mike Waltz was photographed using Signal in a Cabinet meeting the day before Trump announced he was replacing him as national ...

Probe seeks to determine who put sensitive military information in unclassified chat group that included Hegseth’s family ...