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Certified: The CISSP Audio Course

Episode 67: Zero Trust and Software-Defined Networking (SDN)

23 Jun 2025

Description

Zero Trust has emerged as a powerful model for modern cybersecurity, shifting the focus from perimeter defenses to granular, identity-centric control. In this episode, we explain the principles of Zero Trust—never trust, always verify—and how it’s implemented using continuous authentication, microsegmentation, and least privilege access. We also explore Software-Defined Networking (SDN), a framework for dynamically managing and securing network resources through centralized controllers. Together, Zero Trust and SDN provide the flexibility and control needed for cloud-first, hybrid, and highly distributed environments.

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