> surveillance a country cannot legally conduct internally is conducted by its "friends", sometimes resulting in relevant information being shared with its own

> surveillance a country cannot legally conduct internally is conducted by its "friends", sometimes resulting in relevant information being shared with its own intelligence services? We know that this definitely happens. https://en.wikipedia.org/wiki/Five_Eyes#Domestic_espionage_sharing_controversy https://en.wikipedia.org/wiki/Five_Eyes#Domestic_espionage_s... Whether that is the reason more isn't done against foreign intrusions is hard to say. It seems that in this case many people would have liked to punish the UK for it, but there weren't many reasonable options for doing so.