Industrial Control System (ICS) Security Market Insights 2030

The rapid digitalization of industrial environments is reshaping operational technology (OT) networks and increasing exposure to cyber threats. As industries adopt connected devices, IIoT systems, and advanced automation, protecting industrial control systems has become essential for ensuring operational continuity and safety.

According to a report titled “Industrial Control System (ICS) Security Market by Offering (Solutions, Services), Solution (Encryption, SIEM, Firewall, IAM, DDoS Mitigation, Antivirus), Security Type (Network, Endpoint, Database), Vertical, and Region – Global Forecast to 2030” published by MarketsandMarkets, the ICS security market is projected to grow from USD 15.35 billion in 2025 to USD 32.89 billion by 2030 at a CAGR of 16.5%. The report includes 763 market data tables, 60 figures, and spans 445 pages.

Industrial Control System (ICS) Security Market Growth Outlook

The ICS security market is expanding rapidly, driven by the increasing connectivity of devices, actuators, and sensors across industrial operations. As IIoT and smart factory technologies evolve, securing communication channels, authentication processes, and segmented networks has become critical to protecting industrial assets.

The Rise of AI in ICS Security

AI and machine learning are transforming ICS security by analyzing patterns in operational data and detecting threats in real time. Unlike traditional methods, AI can adapt to different conditions and spot subtle signs of attacks before they escalate. This drives demand for AI-powered ICS solutions that provide faster detection, predictive alerts, and less disruption to industrial operations.

AI-enabled solutions mentioned

• Security Information & Event Management (SIEM)
• Intrusion Detection & Prevention Systems (IDPS)
• Security & Vulnerability Management

These AI-integrated solutions reduce false positives and offer greater visibility into complex OT networks, making AI a key enabler for proactive and resilient ICS cybersecurity.

Network Security Leads the Market

Based on security type, the network security segment is expected to account for the largest market size during the forecast period. ICS network security typically focuses on securing the communications infrastructure that interconnects industrial devices and systems to broader enterprise IT networks.

Key network security elements

• OT-specific network segmentation and demilitarized zones (DMZs)
• OT-aware firewalls and access control policies
• Deep packet inspection (DPI), secure tunneling, and unidirectional gateways

These inspection technologies and processes monitor and protect communications without interrupting essential services. With the move toward remote operations, securing access using encrypted channels and multi-factor authentication is increasingly important, along with additional monitoring to recognize unusual behavior during critical updates and normal operation.

Identity & Access Management (IAM) — Fastest Growth

By solution, the identity and access management (IAM) segment is expected to witness the highest growth rate during the forecast period. IAM in ICS security provides assurance that only certified personnel can access industrial control systems, minimizing insider threats and unauthorized interference.

IAM capabilities highlighted

• Role-based access control and multi-factor authentication
• Secure credential management and user activity logging
• Integration with legacy OT systems with minimal disruption
• Segregation of OT and IT access to prevent lateral movement
• Behavioral analytics to identify abnormal access patterns and trigger alerts

Asia Pacific — Highest Regional Growth

By region, the Asia Pacific market is projected to grow at the highest rate during the forecast period. Rapid digitalization, escalating cyber threats, and dynamic regulatory requirements are driving adoption of ICS security solutions in the region.

Key regional dynamics noted include widespread digital maturity goals, increased Zero Trust adoption, significant ransomware impact across IT and OT, and the need for AI-driven anomaly detection and mitigation. As IIoT adoption accelerates, ICS security is becoming a strategic area of investment across energy, manufacturing, utilities, and transportation sectors.

Key ICS Security Companies

The industrial control system (ICS) security market includes established players such as:

Cisco (US), ABB (Switzerland), Lockheed Martin (US), Fortinet (US), Honeywell (US), Palo Alto Networks (US), BAE Systems (UK), RTX (US), Trellix (US), Check Point (Israel), Darktrace (UK), Kaspersky Lab (Russia), Tenable (US), Belden (US), Sophos (UK), CyberArk (US), Claroty (US), Dragos (US), Nozomi Networks (US), Cyberbit (US), Forescout (US), Radiflow (Israel), Verve Industrial Protection (US), Xage Security (US), Positive Technologies (US).

• Honeywell (US) — Offers OT-focused cybersecurity including real-time monitoring, secure remote access controls, managed security services, risk and compliance consultancy, and OT cybersecurity training.
• Cisco (US) — Provides ruggedized security appliances, industrial-protocol-aware firewalls, centralized monitoring, and platforms that correlate IT and OT data for faster incident response.
• ABB (Switzerland) — Delivers cybersecurity integrated into its automation portfolio with secure control systems, threat detection, network segmentation, and lifecycle cybersecurity services.
• Lockheed Martin (US) — Supports ICS/OT security with threat intelligence, intrusion detection, vulnerability assessments, and tailored cyber defense strategies.
• Fortinet (US) — Offers ruggedized appliances, protocol-aware firewalls, real-time threat detection, network segmentation, and centralized OT security management through its Security Fabric.

The market is highly competitive. The top five players—Cisco, Honeywell, Palo Alto Networks, Tenable, and Fortinet—collectively account for 25.1% of market share.

Conclusion

The projected expansion of the ICS security market from USD 15.35 billion in 2025 to USD 32.89 billion by 2030 underscores the strategic importance of securing industrial systems. With the rise of IIoT, AI-driven detection, network protection, and stronger IAM solutions—especially in high-growth regions such as Asia Pacific—industrial organizations must prioritize ICS security to maintain operational resilience and safety.