explicit separation of systems, identities, data, administration, suppliers, and access from other corporate environments where required. Implement and maintain approved trust boundaries, network segmentation, firewall policies, secure remote access, administrative tiers, and controlled cross-entity connectivity. Ensure data, devices, accounts, cloud resources, and third-party access remain within authorized entity … based prioritization, remediation timelines, exception documentation, validation, and status reporting. Administer and validate endpoint protections such as full-disk encryption, EDR/XDR, host firewall, secure boot, application controls, device compliance, removable-media controls, and least-privilege configurations. Harden identity and administrative access through role-based access control, multifactor authentication ...