TeleMessage, an unofficial version of Signal, has suspended services after a security breach allegedly exposed user messages.

Smarsh, the Oregon-based owner of TeleMessage, said Monday it was “investigating a potential security incident” and suspended ...

In one case, he told aides on the encrypted app to inform foreign governments about an unfolding military operation.

TeleMessage, a secure messaging archive tool used by the Trump White House, has suspended services following a security ...