"His father designed the data encryption algorithm.

“My dad's a genius,” said Eap. “It had the highest level of encryption available.”

Not only did Sky ECC provide end-to-end encryption, like Whatsapp or Signal, but unlike those free apps, it also redirected the data on its own secure network. "

This was the basis for users to think the system was secure? Seriously!?!

I'm reminded of the saying 'don't roll your own crypto'. Obviously the authorities were able to crack the crypto, probably at multiple points.