Communications Security Establishment

The Communications Security Establishment is one of Canada’s key security and intelligence organizations. For 70 years CSE has been committed to the safety and security of Canada and Canadians. We focus on collecting foreign signals intelligence to protect Canada against threats, and on helping protect the computer networks and information of greatest importance to Canada. We also provide technical assistance to federal law enforcement and security organizations Our work helps to ensure our nation’s security and stability; protecting against foreign-based terrorism and espionage, cyber-attacks, and other serious threats. It also supports decision-making in the fields of national defence and foreign policy, providing a better understanding of global events and helping to further Canada