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This final lesson brings together all the concepts from the course into a practical framework for designing a secure network from the ground up. Whether you are building a new network or re-architecting an existing one, the process follows the same structured approach.
| Phase | Activity | Output |
|---|---|---|
| 1. Requirements Gathering | Understand business needs, compliance, and risk appetite | Requirements document |
| 2. Asset and Data Classification | Identify what needs protecting and its sensitivity | Asset register, data classification |
| 3. Architecture Design | Create the network topology, zones, and control placement | Architecture diagrams |
| 4. Control Selection | Choose specific security controls for each layer | Control matrix |
| 5. Implementation | Build the network according to the design | Configured infrastructure |
| 6. Validation | Test through penetration testing and review | Validation report |
| 7. Operations | Monitor, maintain, and continuously improve | Operational procedures |
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