Episode 83: Advanced Secure Access Solutions (Domain 3)

Traditional perimeter security isn’t enough in a world of mobile users, cloud resources, and third-party integrations. In this episode, we explore advanced secure access solutions, starting with Software-Defined Wide Area Networking (SD-WAN), which replaces traditional WAN technologies with application-aware routing and policy-based control across diverse internet paths. SD-WAN not only improves performance but enhances security by segmenting traffic and enforcing encryption between endpoints. We then examine Secure Access Service Edge (SASE), which merges SD-WAN with cloud-delivered security services—like secure web gateways, cloud access security brokers (CASBs), and zero trust network access (ZTNA)—into a unified framework. SASE enables identity-driven, policy-enforced access regardless of user location or device, making it ideal for hybrid workforces. These technologies represent a shift toward decentralized, cloud-first security models where access is verified continuously, and policies are applied dynamically. By adopting SD-WAN and SASE, organizations can enforce security closer to users and data—without relying on outdated perimeter models.

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