Iran Believes It Has the 'Upper Hand': CSIS's Yacoubian The Canada Security Intelligence Service (CSIS) has been a significant player in international espionage for decades.
Its relationship with Iran has been marked by a complex and often contentious history, with allegations of espionage cases, past incidents, and manipulation of Canadian intelligence capabilities.
This perception of vulnerability dates back to the 1983 arrest of two Iranian diplomats on charges of espionage.