Tech Security Ping!
There is no secure. There is only highly secure.
The offense always has the advantage over the defense.
The EU is the heart and soul of what is called the DEEP STATE...they have always been up to no good.
Remember CSS: copy protection for DVDs crumbled when a player manufacturer inadequately secured a key. Found, it was widely disseminated quickly.
Remember TSA: locks compatible with secret physical master keys were authorized to secure luggage. Wired Magazine published a photo of the master keys; duplicates were for sale on eBay within 3 hours.
The original German Enigma machine was used to secure corporate communications between company HQ and foreign offices. It was used as the basis for the machine later used adopted & developed by the German Wehrmacht.
So almost from the advent of telegraphy there was a recognized need for encryption to secure private communications.