Introduction: Before studying anything we should know about its core so here, first of all, I will define intelligence and national security which is every state’s first priority – to maintain its sovereignty and in order to maintain its sovereignty the state ensures its security this also includes in the fundamental goals of the state, so to ensure security state needs intelligence which is used for various aspects intelligence is ‘collection of secret information of military or political value’ and based on this secret information agencies work and ensures the national security of a state. Here we are going to talk about a similar working agency which is CSIS (Canadian Security Intelligence Service) Canada has given great attention to its intelligence roles, policies and issues Canadian security intelligence service is somehow similar to USA and UK basically its work is to examine different activities in the state which are associated with establishing dangers to the national security of Canada on which they investigate and then present their report to Government of Canada on specific acts. It also performs operations both within the state and out of the state  (Vigneault, n.d.). History: Its headquarter is in Ottawa Ontario and it was … Continue reading Canadian Security Intelligence Service (CSIS)