Network Security Basics

Cyber Security & Ethical Hacking 132 views Nov 05, 2025 1 min read

Definition:
Network Security is the practice of protecting a computer network from unauthorized access, misuse, attacks, or data breaches.


Key Points

  • Ensures confidentiality, integrity, and availability of data transmitted over a network

  • Protects both wired and wireless networks

  • Uses hardware, software, and policies to secure the network


Common Network Security Measures

  1. Firewalls – Block unauthorized access and filter traffic

  2. Antivirus & Anti-malware – Detect and remove malicious software

  3. Encryption – Secures data during transmission

  4. Intrusion Detection Systems (IDS) – Detect suspicious network activity

  5. Virtual Private Network (VPN) – Secure remote access to networks


Conclusion

Network security is essential to prevent cyber attacks, data theft, and system disruptions, ensuring safe and reliable communication.

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