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  1. What is network security? - IBM

    Network security is a field of cybersecurity that’s specifically focused on protecting computer networks and communication systems from internal and external cyberthreats and cyberattacks.

  2. 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, …

  3. 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.

  4. What is Network Security? - GeeksforGeeks

    Sep 19, 2025 · Network security refers to the practices and measures designed to protect the integrity, confidentiality, and availability of computer networks and the data they carry.

  5. Network security - Wikipedia

    Network security is an umbrella term to describe security controls, policies, processes and practices adopted to prevent, detect and monitor unauthorized access, misuse, modification, …

  6. Securing Networks | Cybersecurity and Infrastructure Security ...

    Feb 12, 2025 · Overview Securing networks is a preventative measure in the fight against cybercrime and attacks. The federal enterprise depends on information technology (IT) …

  7. 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 …