Defense cyber security market seen reaching 11.7% CAGR by 2030

The Business Research Company says the global defense cyber security market is set to grow from $27.33 billion in 2025 to $47.44 billion by 2030, driven by higher defense spending, autonomous systems and AI-powered threat tools. North America led the market in 2025, while Asia-Pacific is expected to grow fastest.

Why it matters: - Defense cyber security is becoming central to protecting military networks, battlefield data and sensitive government information from state-backed and criminal cyberattacks. - The market’s projected growth signals more defense spending on digital protection, infrastructure upgrades and cybersecurity staffing. - The forecast points to wider adoption of cloud-native security, zero trust models and automated threat response across military environments.

What happened: - The Business Research Company published its Defense Cyber Security Market Report 2026, covering market size, trends and a global forecast for 2026-2035. - The report says the market will rise from $27.33 billion in 2025 to $30.47 billion in 2026, a projected 11.5% CAGR. - The report forecasts the market will reach $47.44 billion by 2030, with a 11.7% CAGR. - The report says North America held the largest market share in 2025. - The report says Asia-Pacific is expected to be the fastest-growing region over the next several years.

The details: - The report ties near-term growth to state-sponsored cyber warfare, more digital defense communications, continued use of legacy network infrastructure and early adoption of encryption in military communications. - The longer-term forecast is supported by autonomous warfighting systems, better connectivity for unmanned platforms and growth in AI-powered threat intelligence tools. - Escalating geopolitical tensions are expected to increase cyber defense spending. - The shift to cloud-native defense infrastructures is another cited growth driver. - The report says real-time protection of battlefield data will become more important. - The report highlights cloud-native security orchestration and automated threat response as major trends. - Zero trust models across military networks are also expected to expand. - Advanced endpoint detection paired with predictive analytics is another trend in the forecast period. - Secure tactical communication channels with encrypted connectivity are expected to gain broader use. - Managed detection and response services are projected to spread more widely in defense environments. - The report defines defense cyber security as protecting military networks, platforms and sensitive government data from unauthorized digital intrusions and cyberattacks. - The report says defense cyber security helps maintain the security, integrity and availability of vital defense systems and communication lines. - The report covers Asia-Pacific, South East Asia, Western Europe, Eastern Europe, North America, South America, the Middle East and Africa. - The new 2026 report package adds market attractiveness scoring, TAM analysis, company scoring matrix graphics and tables, Excel-based forecasting dashboards, market hotspots infographics, key technologies and future trend analysis, plus updated graphics and tables. - The Business Research Company says it offers 30,000+ reports across 27 industries and 60+ geographies, supported by 1,500,000 datasets and the Global Market Model platform. - Download a free sample of the report - View the full defense cyber security market report

Between the lines: - The report frames defense cyber security as a budget beneficiary of broader military modernization, not a standalone niche. - The emphasis on autonomous systems, cloud-native infrastructure and AI tools suggests future demand will follow the digitalization of defense operations. - The regional split points to mature spending in North America and faster catch-up demand in Asia-Pacific. - SIPRI reported in April 2026 that global military expenditure rose 2.9% in real terms to $2,887 billion in 2025.

What's next: - The market is expected to keep expanding as defense agencies adopt more automated, cloud-based and zero trust security systems. - Cybersecurity vendors focused on military use cases may see demand for endpoint detection, encrypted communications and managed threat response. - Geopolitical tensions and defense budget growth are likely to remain key variables in the outlook.

The bottom line: - Defense cyber security is shifting from a support function to a core defense investment, and the market outlook reflects that change.