Internet Security Technology

Modern Security Architecture Explained | OSI Layers in Cybersecurity | CCNP Security 2025

Cybersecurity has evolved beyond firewalls — welcome to the era of Modern Security Architecture. In this short video, we break down how each OSI layer plays a vital role in today’s defense-in-depth security model — from Layer 1 VLAN segmentation to Layer 7 API & Web App Security. 🚀 You’ll learn: What “Modern Security Architecture ...

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