๐ฅ Network Security Industry Boom! ๐ฅ
๐ The industry was valued at $78.2 billion in 2024 and is projected to grow at a 7.2% CAGR from 2024 to 2029!
๐ Layers of Network Security & Their Threats ๐
๐ต 1️⃣ Physical Layer – The foundation! Deals with the actual transmission of data via cables, fiber optics, and wireless signals.
⚠️ Threats: Eavesdropping ๐, Physical tampering ๐ ️, Electromagnetic interference ⚡
๐ต 2️⃣ Data Link Layer – Ensures smooth data transfer between devices on the same network.
⚠️ Threats: MAC address spoofing ๐ต️, ARP spoofing ๐ญ, Switch flooding ๐
๐ต 3️⃣ Network Layer – The traffic controller! Routes data packets between different networks.
⚠️ Threats: IP spoofing ๐ง, Route table manipulation ๐ฃ️, Smurf attack ๐น
๐ต 4️⃣ Transport Layer – Guarantees reliable data delivery between applications.
⚠️ Threats: UDP flood ๐, SYN flood ๐ง
๐ต 5️⃣ Session Layer – Manages communication sessions between applications.
⚠️ Threats: Session replay ๐, Session fixation ๐, Man-in-the-middle attacks ๐ถ️
๐ต 6️⃣ Presentation Layer – Translates, encrypts, and decrypts data for secure communication.
⚠️ Threats: Character encoding attacks ๐ก, Data compression manipulation ๐, SSL Stripping ๐
๐ต 7️⃣ Application Layer – Where the magic happens! Apps interact with the network here.
⚠️ Threats: SQL Injection ๐, Cross-Site Scripting (XSS) ๐ญ, DDoS attacks ๐ฅ
๐ Cybersecurity is more important than ever! Stay informed & stay protected! ๐๐ป
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