Core security concepts, zero trust and secure network design

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Explain core security concepts, including confidentiality, integrity, availability, non-repudiation and least privilege, in network-design and operations scenarios.
Apply secure network design principles such as defense in depth, segmentation, microsegmentation, air gaps and isolation to reduce attack surface and limit lateral movement.

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Evaluate secure placement of resources by using zones and trust boundaries such as inside, outside, DMZ, screened subnet and management networks.

Compare logical security approaches that support secure design, including out-of-band management, jump boxes, bastion hosts and dedicated management interfaces.

Interpret security requirements and recommend appropriate architectural controls for on-premises, hybrid and cloud-connected network environments.

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