// THREAT DETECTION AND DATA PRIVACY TERM

Network Defense

Network defense refers to the measures and strategies employed to protect computer networks and their data from unauthorized access, misuse, disruption, modification, or destruction. It involves monitoring, detection, and active response to cyber threats.

TECHNICAL DEFINITION

Network Defense is a comprehensive cybersecurity discipline encompassing proactive and reactive measures to protect digital infrastructure, computer networks, and data against cyberattacks, exploitation of vulnerabilities, and malicious activities by threat actors within the military and intelligence sectors. It involves deploying various security controls, intrusion detection systems, and incident response protocols to maintain network integrity, confidentiality, and availability.

BACKGROUND

Defense in depth is a concept used in information security in which multiple layers of security controls (defense) are placed throughout an information technology (IT) system. Its intent is to provide redundancy in the event a security control fails or a vulnerability is exploited.

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SYNONYMS & ALIASES

  • Cyber Defense
  • Network Security
  • Information Assurance
  • Cyber Warfare Defense
  • Defensive Cyberspace Operations
  • Cyber Resilience

USAGE NOTE

In military and intelligence, network defense is critical for protecting classified information and operational capabilities from nation-state actors and sophisticated cyber adversaries.

DEVELOPERS

Organizations developing technology related to Network Defense.

  • Palo Alto Networks

    Develops advanced firewalls, cloud security, and other enterprise network security solutions for threat prevention and network defense.

  • Fortinet

    Provides a wide range of network security products, including firewalls, endpoint protection, and security fabric solutions to protect against cyber threats.

  • Cisco Systems

    Offers comprehensive network defense solutions, including firewalls, intrusion prevention systems, secure access, and advanced threat protection integrated across networking infrastructure.

  • Check Point Software Technologies

    A global leader in network security, providing firewalls, advanced threat prevention, and unified security management solutions to defend networks.

  • Splunk

    Develops a Security Information and Event Management (SIEM) platform that collects, monitors, and analyzes security data from across the network to detect and respond to threats.

  • CrowdStrike

    While known for endpoint security, CrowdStrike's Falcon platform extends to network visibility and threat detection, offering insights into network activity for defense.

  • Sophos

    Provides network security solutions including next-generation firewalls, secure web gateways, and intrusion prevention systems to defend against various cyber attacks.

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