PUBLISHER: The Business Research Company | PRODUCT CODE: 2040065
PUBLISHER: The Business Research Company | PRODUCT CODE: 2040065
Operational Technology (OT) Security refers to the solutions and services aimed at protecting industrial control systems (ICS), supervisory control and data acquisition (SCADA) systems, programmable logic controllers (PLCs), and other hardware and software used to monitor and control physical processes, assets, and environments. These technologies are widely used across industries such as energy, manufacturing, transportation, and mining, where physical infrastructure and machinery are managed and automated through digital systems.
The operational technology (OT) security market consists of sales by entities (organizations, sole traders and partnerships) of operational technology (OT) security that is used by organizations that operate critical infrastructure or manage complex industrial systems to ensure safety, minimize downtime, and protect against cyber threats that could lead to operational disruptions, data breaches, or physical damage.
The global operational technology (OT) security market was valued at $13,302.3 million in 2020 which grew till 2025 at a compound annual growth rate (CAGR) of more than 10.0%.
Adoption Of Zero-Trust Concepts In Industrial Networks
The adoption of zero-trust concepts in industrial networks drove the growth of the operational technology (OT) security market during the historic period. Industrial networks are shifting away from perimeter-based defenses toward security models that assume no implicit trust within the environment. Every user, device, and connection must be continuously verified before accessing critical systems. This approach limits lateral movement and reduces the impact of compromised credentials or devices. It is particularly relevant in environments with legacy assets and mixed IT-OT connectivity. By enforcing granular access control and continuous validation, organizations strengthen resilience against internal and external threats. For instance, in December 2025, the Korea Internet & Security Agency (KISA), a South Korea-based government organization, has introduced the country's first zero trust application guide for operational technology (OT) environments, aimed at strengthening cybersecurity across industrial and critical infrastructure systems. OT environments which control physical processes in sectors like energy, manufacturing and transportation face unique security challenges compared with traditional IT networks. KISA's guide adapts zero-trust principles (never trust, always verify) to operational technology (OT), balancing real-time needs with robust security controls and continuous verification. This initiative helps Korean organizations reduce operational technology (OT) vulnerabilities, align with global best practices and elevate industrial cybersecurity, reflecting growing attention on digitally connected operational systems and emerging threats. Therefore, the adoption of zero-trust concepts in industrial networks supported the growth of operational technology (OT) security industry.
Advanced Continuous Monitoring For Industrial Cyber Threats
Key companies operating in the operational technology (OT) security market are focusing on expanding managed security services and continuous monitoring capabilities to address growing OT cyber risks. These offerings help industrial operators improve threat visibility, accelerate incident response, and reduce operational disruption caused by cyberattacks. For instance, in November 2025, Rockwell Automation, a US-based industrial automation and information technology company unveiled a new OT cybersecurity service designed to help industrial organizations detect and respond to cyber threats targeting operational technology environments. The service provides continuous monitoring, advanced threat detection, and expert-led incident response tailored for industrial control systems. It helps manufacturers and critical infrastructure operators identify anomalies before they disrupt operations. By combining OT-specific threat intelligence with managed security expertise, the service reduces cyber risk and downtime.
The global operational technology (OT) security market is fragmented, with large number of small players operating in the market. The top 10 competitors in the market made up 5.25% of the total market in 2024.
Operational Technology (OT) Security Global Market Opportunities And Strategies To 2035 from The Business Research Company provides the strategists; marketers and senior management with the critical information they need to assess the global operational technology (OT) security market as it emerges from the COVID-19 shut down.
Where is the largest and fastest-growing market for operational technology (OT) security? How does the market relate to the overall economy, demography and other similar markets? What forces will shape the market going forward? The operational technology (OT) security market global report from The Business Research Company answers all these questions and many more.
The report covers market characteristics; size and growth; segmentation; regional and country breakdowns; competitive landscape; market shares; trends and strategies for this market. It traces the market's history and forecasts market growth by geography. It places the market within the context of the wider operational technology (OT) security market; and compares it with other markets.