Sky CC appears to be the latest encrypted service to be compromised by European authorities.

It could have allowed hackers to spy on dating app or telehealth video or audio calls.

The Android version of the chat app will soon have the capability to bypass the Iran's block on traffic, Signal says.

The lawmakers are hoping to crack open a cold case and learn from it before the next big supply-chain breach happens.

Breaking encryption in Europe "will threaten the basic rights of millions," the companies argue.

Tehran has a long history of controlling access to chat apps and social media. Signal doesn't want to take it.