System and Communications Protection (03.13)

System and Communications Protection (sc) defines safeguards for the confidentiality and integrity of data as it traverses or resides on information systems. It requires the implementation of boundary protection, encryption, and monitoring mechanisms to defend against unauthorized access, modification, or disclosure of Controlled Unclassified Information. This family ensures that network and system communications are securely managed and that security-relevant events are detected and responded to promptly.