Industrial Control System (ICS) Security Market Surges to $38.48 billion at a CAGR 16.5% by 2031 | Report by MarketsandMarkets™

Delray Beach, FL, Oct. 29, 2026 (GLOBE NEWSWIRE) -- According to MarketsandMarkets™, the global Industrial Control System (ICS) Security Market is projected to grow from USD 17.91 billion in 2026 to USD 38.48 billion by 2031, registering a compound annual growth rate (CAGR) of 16.5% during the forecast period, according to a report by MarketsandMarkets™.

The growing frequency and sophistication of cyberattacks are accelerating investments in industrial control system (ICS) security to protect operational technology (OT), industrial networks, and critical infrastructure. As manufacturing, energy, and transportation sectors expand automation and connected operations, cybersecurity is becoming essential to maintaining operational continuity and resilience. Demand for industrial threat detection, secure remote access, vulnerability management, and incident response is increasing, while regulatory requirements and shortages of skilled OT cybersecurity professionals are further driving the adoption of specialized security services.

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Key Market Highlights

• Market size (2026): USD 17.91 billion
• Projected market size (2031): USD 38.48 billion
• Growth rate: CAGR of 16.5%
• Year Considered: 2020-2031
• Fastest-growing Region: Asia Pacific
• Key players: Cisco (US), Fortinet (US), Palo Alto Networks (US), Tenable (US), Honeywell (US), ABB (Switzerland), Belden (US), Nozomi Networks (US), Forescout (US), Claroty (US), Dragos (US), and Waterfall Security Solutions (Israel)

Why This Market Matters

Industrial control systems are critical to power generation, oil and gas, manufacturing, transportation, and other essential sectors, making cybersecurity vital as IT and OT environments become increasingly connected. Industrial IoT devices, remote monitoring, and wireless communications expand potential attack surfaces, increasing the need for asset visibility, continuous threat monitoring, vulnerability management, and incident response. ICS security solutions help prevent operational disruptions, protect worker safety, and maintain process reliability while supporting regulatory compliance and strengthening the resilience of digital industrial infrastructure.

Market Overview

The ICS security market includes technologies and services that protect industrial control systems, OT networks, and connected assets from cyber threats. Market growth is driven by industrial digitization, expanding connectivity, and increasingly sophisticated attacks, raising demand for OT asset visibility, threat detection, vulnerability management, secure remote access, and incident response. Organizations must balance stronger security with legacy system constraints and uninterrupted operations. Professional services support risk assessment, technology integration, incident response planning, and regulatory compliance as industrial environments become more interconnected.

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Analyst Perspective

The projected growth of the ICS security market highlights the need to protect critical infrastructure while maintaining industrial safety, availability, and performance. Demand for professional services is supported by the need for OT security assessments, system integration, compliance, and incident response expertise. Digitalization across oil and gas facilities, pipelines, and remote assets creates further opportunities, while North America's established industrial base and infrastructure protection investments support its market leadership. Security providers must address both legacy and connected systems without disrupting operations.

Segment Analysis

Professional services to hold the largest market size

The professional services segment is expected to hold the largest market size during the forecast period, driven by the growing complexity of OT security and the need for specialized expertise. Services such as consulting, system integration, risk assessment, compliance management, training, and incident response help industrial organizations address cyber threats and strengthen operational resilience. Expanding automation, connected systems, remote operations, and a shortage of qualified OT cybersecurity professionals are further increasing reliance on external providers across power, manufacturing, transportation, and oil and gas.

Oil and gas to drive demand for industrial security

The oil and gas segment is seeing rising demand for ICS security as operators digitize upstream, midstream, and downstream operations while facing growing cyber risks. Investments in OT security platforms are helping protect drilling systems, pipelines, refineries, storage facilities, and remote assets from ransomware and cyber-physical attacks. Connected sensors, industrial IoT, remote monitoring, and automation are increasing the need for asset visibility, threat detection, and secure remote access to maintain operational continuity, protect workers, and strengthen critical energy infrastructure.

Regional Analysis

North America is expected to hold the largest share of the ICS security market, supported by investments in critical infrastructure protection, industrial automation, and smart manufacturing. Growing adoption of OT visibility platforms, industrial threat detection, secure remote access, and industrial firewalls is helping organizations address evolving cyber threats. According to the FBI Internet Crime Report 2024, US critical infrastructure sectors reported more than 1,300 ransomware-related complaints during the year, highlighting the need for stronger industrial cybersecurity. Investments in smart grids, connected facilities, and industrial modernization are further driving demand for solutions that protect operational assets and maintain infrastructure reliability.

Key Industry Trends

• Increasing convergence of IT and OT security
• Growing adoption of industrial threat detection
• Expansion of secure remote access
• Rising demand for OT visibility and vulnerability management
• Greater reliance on professional cybersecurity services
• Cybersecurity as a component of operational resilience

Competitive Landscape

The Top Companies in Industrial Control System (ICS) Security Market include Cisco, Fortinet, Palo Alto Networks, Tenable, Honeywell, Check Point Software Technologies, ABB, Belden, Kaspersky, BAE Systems, Trellix, Darktrace, Sophos, Nozomi Networks, Forescout, Claroty, Dragos, Radiflow, SIGA, Xage Security, Positive Technologies, Cyberbit, Rhebo, Waterfall Security Solutions, and OPSWAT.

The competitive landscape spans established IT security providers and vendors focused on industrial cybersecurity. This mix reflects the need for solutions that combine network protection, asset visibility, threat detection, vulnerability management, and specialized OT security capabilities.

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