Prime Minister’s Office | National Cyber Directorate Third Layer | National Cyber Defense: A national-level campaign is required against severe threats by determined, resource-rich attackers who pose serious danger to the nation. National defense campaigns incorporate defensive effort, to contain such attacks and their ramifications together with active efforts to confront the sources of the threats. Intelligence • Prevention • Enforcement and deterrence Joint investigations CAMPAIGN AGAINST ATTACKERS 12 | National Cyber Security Strategy In Brief NATIONAL DEFENSIVE CAMPAIGNS Defensive operations • National incident response • Situation assessment