https://www.bleepingcomputer.com/news/security/unofficial-signal-app-used-by-trump-officials-investigates-hack/

TeleMessage, an Israeli company that sells an unofficial Signal message archiving tool used by some U.S. government officials, has suspended all services after reportedly being hacked.

Smarsh, the parent company of TeleMessage, confirmed that all TeleMessage services have been suspended while it's investigating what it described as "a potential security incident."