NEW: TeleGuard has been downloaded more than a million times and markets itself as a secure way to chat.
But the app, which has been repeatedly been linked to child abusers, has such bad encryption, experts say its claims are "meaningless."
TeleGuard is an app downloaded more a million times that markets itself as a secure way to chat. The app uploads users’ private keys to the company’s server, and makes decryption of messages trivial.
