Security

Security is the quality of protecting information and functions according to legitimate authority and preventing unauthorized disclosure, use, modification, destruction, or repudiation. It includes Concerns such as Confidentiality, Integrity, Authenticity, and Accountability.

SimpleModeling treats Security as an Aspect over a Capability. It examines Use Case Actors and authority, Object Invariants, Operation Preconditions, auditable Events, and Textus authentication, authorization, and protection mechanisms together.