Enterprise Network Security Architecture — The Network Rail

A senior-level architecture course that designs the enterprise network security architecture itself, not a single firewall or a single segment. Work the network security rail - eight layers a defensible network is built from: Principles, Segmentation, Perimeter & Edge, Remote Access & SASE, East-West Control, Cloud Interconnect, Monitoring & Telemetry, and Zero-Trust Enforcement - designing deliberate trust boundaries, segmenting crown jewels and OT from IT, converging remote access through SASE, containing lateral movement, interconnecting a hybrid multi-cloud estate, and enforcing zero trust with real policy enforcement points and a funded migration plan.

What you'll learn

• Design a documented reference architecture on defense in depth, least privilege, and explicit trust boundaries.
• Segment the enterprise network from macro-segmentation down to crown-jewel and OT/IT isolation.
• Architect the perimeter, edge, and remote access, including NGFW/DMZ design and ZTNA/SASE convergence.
• Design east-west control, hybrid cloud interconnect, built-in telemetry, and zero-trust enforcement.

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