According to MarketsandMarkets™, US Operational Technology (OT) Security Market is projected to grow from USD 4.64 billion in 2025 to USD 9.37 billion by 2030 at a CAGR of 15.1% during the forecast period. The market’s growth is driven by ongoing industrial modernization, rising OT-focused cyber incidents, and stronger resilience requirements across critical infrastructure.
Federal and state initiatives are prompting utilities, manufacturers, and public-sector operators to enhance their cyber readiness by securing industrial control systems and enabling continuous monitoring and controlled remote access. At the same time, closer collaboration among infrastructure operators, OEMs, and OT security providers is increasing the adoption of asset visibility tools, incident response capabilities, and managed OT services across energy, transportation, and manufacturing sectors.
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By solution, IAM segment to exhibit highest growth during forecast period
Based on solution, the identity and access management (IAM) segment is expected to grow at the fastest rate in the US OT security market as operators strengthen access controls for remote teams, contractors, and field personnel. IAM supports centralized credential management, multi-factor authentication, and policy-based access across plants, substations, and distributed control systems. The expansion of remote operations, IIoT connectivity, and compliance requirements is increasing the need for controlled and auditable access to operational assets. As legacy OT environments are modernized, IAM is becoming a key enabler of secure access and operational reliability across the US industrial sectors.
By deployment mode, cloud segment to witness higher CAGR than on-premises segment during forecast period
The cloud deployment segment is expected to experience a higher growth rate than the on-premises deployment segment in the US OT security market as operators adopt centralized visibility, remote access, and scalable monitoring for distributed control systems and production assets. Cloud-based OT platforms enable real-time analytics and continuous monitoring without heavy on-premises infrastructure. Ongoing modernization, remote diagnostics, and compliance reporting requirements are further supporting cloud adoption. As a result, cloud delivery is increasingly used for managed OT security, continuous threat monitoring, and operational resilience across US industrial environments.
By service, consulting & integration segment to account for largest market size in 2025
Based on service, the consulting & integration segment is estimated to hold the largest share of the US OT security market in 2025, as operators rely on specialized expertise to assess OT risks and modernize legacy systems. These services support asset mapping, network segmentation, and controlled technology deployment across plants and utilities. The need for secure remote access, vulnerability remediation, and regulatory compliance further drives demand. As a result, consulting-led engagements remain central to implementing OT security programs across US industrial environments.
Key Players
Nozomi Networks (US), Dragos (US), Stellar Cyber (US), Armis (US), Forescout (US), Tenable (US), Claroty (US), Rockwell Automation (US), TXOne Networks (US), Radiflow (US), Industrial Defender (US), Armexa (US), Cisco (US), IBM (US), and Fortinet (US) are the key players in the US OT security market.
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