A highly confidential interchanges framework utilized by hoodlums to exchange medications and firearms has been "effectively infiltrated", says the National Crime Agency.
The NCA worked with powers across Europe on the UK's "greatest and generally huge" law requirement activity.
Significant wrongdoing figures were among more than 800 Europe-wide captures after messages on EncroChat were caught and decoded.
Multiple huge amounts of medications, a few dozen firearms and £54m in speculate money have been seized, says the NCA.
While the NCA was essential for the examination, it was started and driven by French and Dutch police, and furthermore included Europol - the EU office for law implementation participation.
Wil van Gemert, delegate chief overseer of Europol, told a question and answer session in the Hague that the hacking of the organization had permitted the "interruption of crimes including savage assaults, debasement, endeavored murders and enormous scope drug transports"