Phase 2 · Networking Fundamentals for Security
TopicsOSI & TCP/IP Models
Part of the Cybersecurity Roadmap.
Summary
Conceptual layered models describing how network communication works — the shared vocabulary used constantly when discussing where an attack or a defense mechanism actually operates.
How to Learn This
- 1Memorize the 7 OSI layers well enough to name them in order.
- 2Learn which layer common attacks (ARP spoofing, SQL injection) primarily target.
- 3Understand the simpler, more practical TCP/IP model as the one used in most real security discussions.
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