The global defense cybersecurity market size is anticipated to reach USD 78.85 billion by 2033 and is expected to expand at a CAGR of 11.4% from 2025 to 2033, according to a new report by Grand View Research, Inc. The market growth is driven by a surge in sophisticated cyber threats targeting military infrastructure, communications networks, and sensitive data.

Nation-states and defense agencies increasingly invest in advanced cybersecurity solutions to counteract zero-day exploits, ransomware, and state-sponsored attacks. As cyber warfare becomes a central element of modern conflict, governments prioritize robust digital defenses to safeguard national security assets and maintain operational integrity across land, sea, air, and space domains.

A major driver is the institutional shift toward zero-trust architectures, emphasizing continuous verification and strict access controls. Defense organizations are embedding these frameworks into every layer of their systems—from enterprise networks to tactical weapon platforms—ensuring resilience against insider threats and external breaches. Programs like the U.S. Department of Defense’s mandate to integrate zero-trust across all platforms by 2035 are accelerating demand for scalable, interoperable cybersecurity solutions.

The market players are focusing on various strategic initiatives such as mergers, acquisitions, and collaborations. For instance, in May 2025, Leidos acquired Kudu Dynamics for approximately USD 300 million to enhance its AI-enabled offensive cyber and electromagnetic spectrum capabilities, accelerating its ability to deliver advanced automated targeting and scalable cyber solutions for defense, intelligence, and homeland security customers.

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Defense Cybersecurity Market Report Highlights

  • By deployment mode, the on-premises segment held the largest revenue share of 71.87% in 2024.
  • By solution, the cyber threat protection segment accounted for the largest revenue share of 37.54% in 2024.
  • By component, the services segment accounted for the largest revenue share of 41.92% in 2024.
  • By security type, the network security segment accounted for the largest share of 42.47% in 2024, driven by its foundational role in safeguarding critical communication and data networks across military domains.
  • By end use, the land forces segment accounted for the largest revenue share of 45.63% in 2024.
  • North America held a 42.17% revenue share of the global market in 2024.
  • In the U.S., the market is driven by federal investments, AI integration, and evolving zero-trust mandates.

Defense Cybersecurity Market Segmentation

Grand View Research has segmented the global defense cybersecurity market based on component, deployment mode, solution, security type, end use, and region:

  • Component Outlook (Revenue, USD Billion, 2021 - 2033)
    • Hardware
    • Software
    • Services
  • Deployment Mode Outlook (Revenue, USD Billion, 2021 - 2033)
    • On-Premises
    • Cloud
  • Solution Outlook (Revenue, USD Billion, 2021 - 2033)
    • Threat Evaluation and Vulnerability Management
    • Identity and Access Management (IAM)
    • Content/Data Security
    • Managed Security Solutions
    • Risk and Compliance Management
    • Cyber Threat Protection
  • Security Type Outlook (Revenue, USD Billion, 2021 - 2033)
    • Network Security
    • Endpoint Security
    • Application Security
    • Cloud Security
    • Infrastructure Security
  • End use Outlook (Revenue, USD Billion, 2021 - 2033)
    • Land Forces
    • Naval Forces
    • Air Forces
  • Regional Outlook (Revenue, USD Billion, 2021 - 2033)
    • North America
      • U.S.
      • Canada
      • Mexico
    • Europe
      • UK
      • Germany
      • France
    • Asia Pacific
      • China
      • India
      • Japan
      • South Korea
      • Australia
    • Latin America
      • Brazil
    • Middle East & Africa
      • UAE
      • Saudi Arabia
      • South Africa

List of Key Players in the Defense Cybersecurity Market

  • BAE Systems plc
  • CACI International Inc.
  • General Dynamics Corporation
  • IBM Corporation
  • Leidos Holdings Inc.
  • Lockheed Martin Corporation
  • L3Harris Technologies Inc.
  • Northrop Grumman Corporation
  • Palantir Technologies Inc.
  • Nicopods ehf.
  • QinetiQ Group plc
  • Raytheon Technologies Corporation
  • SAIC Inc.
  • Thales S.A.
  • Airbus Defence and Space
  • Booz Allen Hamilton Holding Corp.

About Grand View Research:

Grand View Research, Inc. is a market research and consulting company that provides off-the-shelf, customized research reports and consulting services. To help clients make informed business decisions, we offer market intelligence studies ensuring relevant and fact-based research across a range of industries, from technology to chemicals, materials and energy. With a deep-seated understanding of varied business environments, Grand View Research provides strategic objective insights.

For more information, visit www.grandviewresearch.com.