The clone, TeleMessage, was the subject of a reported hack in which the contents of some direct messages and group chats were stolen.

TeleMessage, the app that former national security adviser Mike Waltz was seen using, has suspended all services after hackers claimed to have stolen files from it. NBC News reporter Kevin Collier breaks down what occurred during the hacking.

TeleMessage, the message-archiving app that former National Security Adviser Michael Waltz appeared to be using in a photograph of him communicating with other Trump administration officials, is investigating whether hackers exploited its technology.