D3A is a US Army Targeting Process rooted in the physical. We use D3A for cyber intelligence Decide, Detect, Deliver and Assess – D3A. We use F3EAD for cyber intelligence Find, Fix, Finish, Exploit, Analyze, and Disseminate integrated into the cyber intelligence lifecycle to assist with targeting of cyber adversaries.
Every requirement must contribute to attainment of stakeholder and business objectives. In plain terms, if it doesn’t contribute to decision making it is not a requirement. Teamwork is critical and support from all functions requires access to distributed intelligence and analysis. Requirements determination is a rational and iterative process that analyzes, prioritizes, and assigns assets to requirements.