Industrial Control Systems Security - Market Share Analysis, Industry Trends & Statistics, Growth Forecasts (2026-2031)

The industrial control systems security market size is expected to increase from USD 19.22 billion in 2025 to USD 20.55 billion in 2026 and reach USD 28.37 billion by 2031, growing at a CAGR of 6.66% over 2026-2031. This report is Segmented by Component (Solutions, and Services), Security Type (Network Security, Endpoint Security, Application Security, and More), Control System Type (SCADA, Distributed Control System (DCS), and More), End-User Industry (Automotive, Chemical and Petrochemical, Power and Utilities, and More), and Geography. The Market Forecasts are Provided in Terms of Value (USD).

Global Industrial Control Systems Security Market Trends and Insights

Mandatory NERC CIP-013 and EU NIS2 Compliance for Critical Infrastructure Operators

New regulatory enforcement is compressing multi-year security roadmaps into tight funding cycles. Bulk electric system entities must now validate vendor risk programs, renegotiate contracts, and maintain continuous monitoring, which is driving sustained investment in supply-chain governance tools and unidirectional gateways. Boards are increasingly approving operational technology allocations because NIS2 imposes executive liability and fines up to EUR 10 million (USD 10.8 million). Vendors that can demonstrate IEC 62443 alignment are winning competitive tenders across power grids, water utilities, and transportation operators.

Surge in Ransomware Attacks on Oil and Gas Pipelines

Attackers have shifted to dual-extortion playbooks that encrypt billing servers while threatening to leak process data, forcing operators to shut down pipelines even when supervisory control and data acquisition assets remain intact. Sophos recorded an 80% year-on-year rise in 2025 incidents in the energy sector, prompting operators to accelerate zero-trust segmentation and anomaly detection on engineering workstations. The democratization of ransomware-as-a-service means smaller groups now mimic nation-state tactics, elevating baseline security requirements for regional pipeline firms.

High Retrofit Costs and Downtime for Legacy PLCs

Many programmable logic controllers from the 1990s lack memory for encryption or secure boot, yet replacement can exceed USD 50,000 per unit and requires planned outages that utilities schedule only once a year. Mid-size plants cannot absorb week-long shutdowns, so operators default to perimeter firewalls, which do not mitigate endpoint vulnerabilities. The cost hurdle is prolonging exposure windows and dampening near-term market expansion.

Other drivers and restraints analyzed in the detailed report include:

• Accelerating IIoT-Driven OT Connectivity in Discrete Manufacturing
• Rapid Adoption of Zero-Trust Architectures in Industrial Networks
• OT-Skilled Cyber-Talent Shortage in Mid-Size Manufacturers

For complete list of drivers and restraints, kindly check the Table Of Contents.

Segment Analysis

Solutions retained a 61.83% share of the industrial control systems security market size in 2025, confirming the primacy of firewalls, intrusion prevention systems and security information and event management platforms inside substations and refineries. Services, however, are projected to expand faster at a 6.95% CAGR, because regulators now require documented gap assessments, penetration tests and continual monitoring that most operators cannot deliver in-house. Consultancy teams certified in IEC 62443 are leading large-scale remediation projects for board-mandated compliance timelines, and multi-year managed detection and response contracts are replacing ad-hoc site audits.

This momentum reflects a growing recognition that security is an operating expense scoped around threat evolution rather than a capital purchase timed to hardware refresh cycles. Industrial enterprises increasingly demand outcome-based service-level agreements covering mean-time-to-detect and false-positive thresholds, pushing vendors toward subscription models with integrated threat intelligence updates. The shift is especially visible in Asia Pacific, where greenfield smart factories bundle security services into initial automation budgets to avoid the legacy technical debt faced by North American plants.

Network controls accounted for 37.71% of 2025 revenue, mirroring decades of focus on boundary defense between corporate and operational domains. Yet application security is registering the fastest 7.22% CAGR, as ransomware crews now target human-machine interface binaries and engineering workstation software running on general-purpose operating systems. The industrial control systems security market is expanding as insurers mandate proof of secure coding practices and virtual patching for supervisory control and data acquisition (SCADA) systems and related databases and configuration tools.

Deep packet inspection remains foundational for anomaly detection, but operators are layering code-signing validation, runtime integrity checks, and whitelisting to protect custom supervisory control and data acquisition applications. Vendors that can integrate vulnerability scoring with functional safety metrics are gaining traction, as a patch window misaligned with batch processing cycles can trigger costly downtime. Cloud-delivered application firewalls tuned for operational technology traffic patterns are emerging to protect remote engineering access, underscoring the convergence of information technology and operational technology security stacks within a single DevSecOps workflow.

Complete Report Scope:

• By Component
  • Solutions
    • Firewall and IPS
    • Identity and Access Management
    • Antivirus and Antimalware
    • Security and Vulnerability Management
    • Data Loss Prevention and Recovery
    • Other Solutions
  • Services
    • Consulting and Assessment
    • Integration and Deployment
    • Support and Maintenance
    • Managed Security Services
• By Security Type
  • Network Security
  • Endpoint Security
  • Application Security
  • Database Security
  • Cloud/Remote Access Security
• By Control System Type
  • Supervisory Control and Data Acquisition (SCADA)
  • Distributed Control System (DCS)
  • Programmable Logic Controller (PLC)
  • Other Control Systems
• By End-User Industry
  • Automotive
  • Chemical and Petrochemical
  • Power and Utilities
  • Oil and Gas
  • Food and Beverage
  • Pharmaceuticals
  • Water and Wastewater
  • Mining and Metals
  • Transportation and Logistics
  • Other Industries
• By Geography
  • North America
    • United States
    • Canada
    • Mexico
  • South America
    • Brazil
    • Argentina
    • Rest of South America
  • Europe
    • United Kingdom
    • Germany
    • France
    • Spain
    • Rest of Europe
  • Asia-Pacific
    • China
    • India
    • Japan
    • South Korea
    • Australia and New Zealand
    • Rest of Asia-Pacific
  • Middle East
    • Saudi Arabia
    • Turkey
    • Rest of Middle East
  • Africa
    • South Africa
    • Nigeria
    • Rest of Africa

Geography Analysis

North America led the industrial control systems security market, accounting for 36.74% of 2025 revenue, driven by U.S. federal mandates, including Transportation Security Administration directives for pipelines, that compel near-term investment in continuous monitoring and incident response. Utilities allocate a growing share of capital to managed detection contracts that deliver North American Electric Reliability Corporation audit artifacts out of the box, and energy producers now include ransomware tabletop exercises in supplier qualification scorecards. Service providers headquartered in the United States also enjoy proximity advantages that shorten deployment cycles and support quick-response retainers during incident peaks.

Europe is undergoing a compliance-driven procurement wave following the transposition of NIS2 by all 27 member states in October 2024, which expanded the number of regulated entities from 2,000 to more than 160,000. German machinery builders and French grid operators are re-architecting perimeter-only defenses toward zero-trust micro-segments, while midsize Spanish water utilities are pooling budgets for shared security operations centers. Industrial automation vendors with IEC 62443-certified components are preferred because engineering houses want to avoid the expense of recertification once systems are live. The industrial control systems security market share attributable to Central and Eastern Europe is poised to rise as regional utilities fast-track grid modernization using European Union recovery funds.

Asia Pacific registers the highest 8.07% CAGR, underpinned by China’s Made-in-China 2025 mandate, India’s Production-Linked Incentive schemes and South Korea’s Smart Factory initiative, each embedding cybersecurity prerequisites into automation subsidies. Greenfield sites across Vietnam, Thailand and Indonesia adopt secure-by-design principles, deploying role-based access, network segmentation and anomaly detection from day one, which spares them the expensive retrofits now challenging Western peers. Japan focuses on virtual patching for supervisory control and data acquisition life-extension projects, whereas Australian mining consortia prioritize secure satellite backhauls for autonomous haulage systems across the outback.

List of Companies Covered in this Report:

• Honeywell International Inc.
• Cisco Systems Inc.
• IBM Corporation
• Fortinet Inc.
• ABB Ltd.
• Rockwell Automation Inc.
• Dragos Inc.
• Nozomi Networks Inc.
• Palo Alto Networks Inc.
• Check Point Software Technologies Ltd.
• Darktrace Holdings Limited
• Broadcom Inc. (Symantec)
• Trellix Inc
• Schneider Electric SE
• Siemens AG
• Kaspersky Lab
• GE Vernova (GE Digital)
• Claroty Ltd.
• Trend Micro Inc.
• AhnLab Inc.

Additional Benefits:

• The market estimate (ME) sheet in Excel format
• 3 months of analyst support