> TM SGNL appears to refer to a piece of software from a company called TeleMessage which makes clones of popular messaging apps but adds an archiving capability to each of them
If you're in the government, you should treat Hegseth and anyone who uses Signal and TMSIGNL as compromised.
The leader of those 11 was fired because of it.
It says it right there in the article. Stop making drama.
Source: use them for several of my clients.