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  1. 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, users, 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? 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 and practices …

  4. What is Network Security? Types & Best Practices | CrowdStrike

    What is network security? Network security refers to the tools, technologies and processes that protect an organization’s network and critical infrastructure from unauthorized use, cyberattacks, data loss …

  5. What is Network Security? - GeeksforGeeks

    Jan 9, 2026 · Network security protects networks and the data they carry from unauthorized access, misuse, and cyberattacks. It ensures systems remain confidential, available, and trustworthy across …

  6. 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.

  7. What Is Network Security? Basics and Types of Security for Networks

    Learn why every organization needs a network security strategy. This guide explains common threats, key benefits, and network security tools.

  8. What is network security? | Protecting network infrastructure

    Network security protects network infrastructure from unauthorized access and data breaches. Learn more about technologies key to protecting networks.

  9. 10 Best Network Security Solutions For Enterprise – 2026

    Jan 7, 2026 · This guide evaluates the 10 best network security solutions for 2026, detailing technical specifications, key strengths, purchase rationale, and unique capabilities for global enterprises, mid …

  10. Network Security - CSO Online

    Jan 28, 2026 · Beyond firewalls and perimeter security, a zero trust architecture allows security officials to better protect data and system access to both outsider and insider threats, adopting a mantra of ...