The old corporate network was built like a medieval castle — thick walls around a central data center, expensive private tunnels to branch offices, and everything funneled through a single choke point. That model collapsed under the weight of cloud applications and a distributed workforce.

In this episode, we explore how the traditional perimeter-based security approach failed and how Zero Trust principles replaced it with continuous verification and least privilege. We break down ZTNA (Zero Trust Network Access), Single Packet Authorization (SPA), and how SASE (Secure Access Service Edge) converges networking and security at the cloud edge.

From the trombone effect in MPLS networks to modern cloud-native protection, this episode reveals how organizations secure data when the perimeter no longer exists.

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