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C-HARDEN
Configuration tightening, policy enforcement, and surface reduction.
C-HARDEN tightens everything the BUILD phase established. Systems are hardened against benchmarks, configurations are locked, attack surfaces are reduced, and compliance evidence collection begins. This is the phase where security moves from deployed to enforced.
3-6 weeks
Typical duration for C-HARDEN phase. Actual timeline depends on organization size and scope.
14
missions in C-HARDEN across all six PDM domains.
C-HARDEN Missions
Verify encryption implementation across all data stores and transmission paths.
Implement automated data retention and destruction policies per classification level.
Harden all systems to CIS Level 1 benchmarks with documented exceptions.
Disable unnecessary ports, services, and protocols across all systems.
Implement automated certificate lifecycle management with expiry alerting.
Apply endpoint hardening policies including application whitelisting and USB controls.
Implement DNS-layer security filtering to block malicious domains and C2 channels.
Deploy browser security policies including extension management and safe browsing enforcement.
Implement least-privilege access model with automated privilege escalation workflows.
Rotate credentials, implement managed service identities, and remove unnecessary service accounts.
Optimize detection rules to reduce false positives and improve alert fidelity.
Integrate indicators of compromise from threat feeds into blocking and detection systems.
Implement technical controls that enforce policy requirements automatically.
Establish automated evidence collection for continuous compliance monitoring.
Every CDA engagement starts with RECON. Schedule your Foundational Risk Model to begin.