System Security Management Plan
- (SSMP) A formal document that fully describes the planned security tasks required to meet system security requirements. *A formal document that fully describes the planned security tasks required to meet system security requirements, including organizational responsibilities, methods of accomplishment, milestones, depth of effort, and integration with other program engineering, design, and management activities, and related systems. (DoD, System Security Engineering Program Management Requirements, MIL-STD 1785, 9/89)