Signal, TeleMessage, WhatsApp—these platforms were built for personal use. Yet, increasingly, they are being repurposed in environments where transparency, compliance and operational integrity are non ...

The US Cybersecurity and Infrastructure Security Agency (CISA) has warned a popular Signal messaging app clone being used by federal agencies is under attack. The clone, TeleMessage, was found to have ...

The US security watchdog CISA has warned that malicious actors are actively exploiting two flaws in the Signal clone ...

CISA says two more vulnerabilities in the messaging application TeleMessage TM SGNL have been exploited in the wild.

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

More than 60 government officials used ‘knock-off’ Signal app – and a hacker got all their data TeleMessage takes versions of popular apps and makes it possible to archive messages in ...

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.

TeleMessage TM SGNL, a version of the Signal messaging app, contains a hidden functionality vulnerability in which the archiving backend holds cleartext copies of messages from TM SGNL application ...

It’s unclear whether Waltz began using TeleMessage months ago or after the Trump administration was sued for failing to comply with federal records laws. However, on April 15, shortly after Signalgate ...

On Monday, a report from 404Media found that a hacker obtained direct messages and CBP contact information from TeleMessage after Mike Waltz was spotted using the company’s modified version of ...