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  1. What is Network Security? - GeeksforGeeks

    5 days ago · Network security protects networks and the data they carry from unauthorized access, misuse, and cyberattacks. It ensures systems remain confidential, available, and …

  2. What Is Network Security? Definition and Types | Fortinet

    Network security protects organizations' data, employees, and customers from various attacks. Discover the types of network security and how it can help secure your networks.

  3. What is network security? - Cisco

    Network security is the protection of the underlying networking infrastructure from unauthorized access, misuse, or theft. It involves creating a secure infrastructure for devices, applications, …

  4. What is network security? Definition and best practices

    Aug 28, 2025 · Network security encompasses all the steps taken to protect the integrity of a computer network and the data within it. It involves a combination of tools, policies, protocols …