Skip to Primary Navigation

Skip to main content

Hacker exploits TeleMessage vulnerability – cybersecurity in the spotlight

Image of a person typing on a mobile phone.
Photo: Francis Dean/Corbis via Getty Images
Julie DiMauro profile image

Julie DiMauro

3 min read

A vulnerability in TeleMessage was reportedly exploited to extract archived messages and other data relating to US government officials and companies.

TeleMessage, a company providing a messaging and archiving app called TM SGNL – used by now-ousted national security adviser Michael Waltz to archive his group chats – has suspended all services after hackers claimed to have stolen files from it.

The app uses encryption technology similar to that of the popular messaging

, , , , , , , ,

Get full access, free for a month

Start your 28-day free trial to continue reading and access
all content on GRIP – no payment details required.

Start free trial Sign in

What’s included:

  • Every new article, plus our 5,000+ archive
  • Daily regulatory insight and guidance
  • Exclusive interviews and in-depth analysis
  • Coverage of industry-leading events and conferences
  • All podcasts and videos, featuring industry experts
  • The full set of Rules Navigator tools
  • An ad-free experience