FBI built fake phone company in global wiretap operation of historic proportions (intelnews.org)

This is just a modern version of Crypto AG which was an encrypted phone operated by the CIA.

https://en.wikipedia.org/wiki/Crypto_AG

Somehow Eastern European & Russian criminals just run their own tech. I think it is because coders and engineers have lower prospects in those parts of the world and are thus readily accessible.

Criminals will be hiring security researchers to audit their infrastructure next...