Detect/ prevent/ correct the flow of information transferring networks of different trust levels with a focus on security-damaging data.
NIST 800-53 rev4
These are the mapped NIST 800-53 controls linked to CSC12: Boundary Defence
AC-4: Information Flow Enforcement
AC-17: Remote Access
AC-20: Use of External Information Systems
CA-3: System Interconnections
CA-7: Continuous Monitoring
CA-9: Internal System Connections
CM-2: Baseline Configuration
SA-9: External Information System Services
SC-7: Boundary Protection
SC-8: Transmission Confidentiality and Integrity
SI-4: Information System Monitoring