15/01/2026
🔐 OSI Model & Cyber Attacks Explained
Understanding cybersecurity starts with mastering the OSI Model.
Each layer represents a potential attack surface — and attackers know exactly where to strike.
From Physical Layer sniffing to Application Layer exploits, this visual breaks down:
✔️ Where attacks occur
✔️ How threats map to network layers
✔️ Why layered security matters
This is a foundational concept for anyone learning:
Firewalling
Network security
Fortinet & enterprise security modules
💡 Security isn’t just about tools — it’s about understanding the architecture.
