The Ottawa Conference on Security and Defence is Canada’s premier and longest-standing defense and security assembly, celebrating its 93rd edition in 2026. Sponsored by the Conference of Defence Associations Institute, this two-day event brings together 2,000+ registered guests at the Fairmont Chateau Laurier, including Members of Parliament, Senators, senior public servants from 20+ government departments and agencies, foreign dignitaries, general and flag officers from the Canadian Armed Forces and Department of National Defence, as well as leaders from industry and academia. The conference serves as the “must attend” defense and security event designed with a Canadian focus, delivering messages at the center of Canada’s defense and security community that influence the direction of Canadian defense and foreign policy. Topics span Arctic security, Indo-Pacific strategy, transatlantic cooperation, artificial intelligence, NATO, space, NORAD, cyber security, laws of war, and great power competition. The conference features keynote addresses from senior military commanders including the Chief of Defence Staff, cabinet ministers, allied military leaders, and international security experts. The event offers both in-person attendance and virtual participation, with sessions live-streamed and recorded. Special networking events include the Chairman’s Circle Reception for sponsors and VIP guests.