United States Operational Technology (OT) Security Market 2025 | Growth Drivers, Key Players & Investment Opportunities

Market Size and Growth

The global operational technology (OT) security market reached US$ 15.33 billion in 2023, with a rise to US$ 18.10 billion in 2024, and is expected to reach US$ 89.95 billion by 2033, growing at a CAGR of 19.50% during the forecast period 2025-2033.

Key Development:

United States: Recent Industry Developments

✅ In July 2025, Trustwave launched an advanced Operational Technology (OT) services portfolio in Chicago, aiming to bolster defenses for critical infrastructure and industrial operations against evolving cyber threats.

✅ In March 2025, Fortinet's 2025 State of Operational Technology and Cybersecurity report revealed improved OT cybersecurity maturity and executive accountability, highlighting best practices for enhanced security.

✅ In February 2025, Qualys introduced the Managed Risk Operation Center (mROC), enhancing risk management services for partners by providing tools for advisory, monitoring, and remediation, enabling proactive cyber risk management.

Japan: Recent Industry Developments

✅ In September 2025, Mitsubishi Electric announced its intent to acquire U.S.-based cybersecurity company Nozomi Networks for approximately $1 billion, aiming to strengthen its cybersecurity capabilities in industrial sectors.

✅ In July 2025, Fortinet's report highlighted that 52% of organizations placed OT security under the Chief Information Security Officer (CISO), up from just 16% in 2022, indicating a shift towards higher executive accountability in Japan.

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Recent Mergers and Acquisitions:

United States: Recent M&A Developments

✅ In September 2025, Mitsubishi Electric announced its agreement to acquire Nozomi Networks, a leading provider of OT, IoT, and cyber-physical systems security. The $1 billion deal, expected to close in Q4 2025, aims to bolster Mitsubishi Electric's cybersecurity capabilities and expand its presence in the industrial sector.

✅ In August 2025, Alphabet Inc. completed its acquisition of cybersecurity firm Wiz for $32 billion, marking one of the largest cybersecurity deals in recent history. This strategic move enhances Alphabet's cloud security offerings and strengthens its position in the enterprise market.

✅ In August 2025, Palo Alto Networks finalized its purchase of CyberArk for $25 billion, significantly expanding its identity and access management solutions. The acquisition underscores the growing importance of securing privileged access in the face of increasing cyber threats.

Key Players:

=> Siemens, Palo Alto Networks, Inc., Zscaler, Inc., Cisco Systems, Inc., Fortinet, Inc., SentinelOne, Forcepoint, Broadcom, Qualys, Inc., Kyndryl Inc.

Growth Forecast Projected:

The Global Operational Technology (OT) Security Market is anticipated to rise at a considerable rate during the forecast period, between 2025 and 2033. In 2024, the market is growing at a steady rate, and with the rising adoption of strategies by key players, the market is expected to rise over the projected horizon.

Research Process:

Both primary and secondary data sources have been used in the global Operational Technology (OT) Security Market research report. During the research process, a wide range of industry-affecting factors are examined, including governmental regulations, market conditions, competitive levels, historical data, market situation, technological advancements, upcoming developments, in related businesses, as well as market volatility, prospects, potential barriers, and challenges.

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Key Segments:

➥ By Offering: Solutions (Network Security, Endpoint Security, Application Security, Identity & Access Management (IAM), Encryption & Data Security, Threat Intelligence & Analytics), Services (Managed Services, Professional Services (Consulting & Assessment, Integration & Deployment, Training & Support))

➥ By Deployment: On-Premises, Cloud-based

➥ By Organization Size: Large Enterprises, SMEs

➥ By End-User: Manufacturing, Oil & Gas, Transportation & Logistics, Government, Healthcare, Energy & Utilities, Others

Regional Analysis for Operational Technology (OT) Security Market:

⇥ North America (U.S., Canada, Mexico)

⇥ Europe (U.K., Italy, Germany, Russia, France, Spain, The Netherlands and Rest of Europe)

⇥ Asia-Pacific (India, Japan, China, South Korea, Australia, Indonesia Rest of Asia Pacific)

⇥ South America (Colombia, Brazil, Argentina, Rest of South America)

⇥ Middle East & Africa (Saudi Arabia, U.A.E., South Africa, Rest of Middle East & Africa)

Benefits of the Report:

Chapter 1: Sets the stage by outlining the report's coverage, summarizing key market segments by region, product type, and application. Presents a snapshot of market sizes, growth potential across segments, and anticipated industry evolution both short and long term.

Chapter 2: Highlights pivotal market insights and uncovers the most significant emerging trends driving change within the industry.

Chapter 3: Offers an in-depth look at the competitive landscape among Operational Technology (OT) Security producers, including revenue shares, strategic moves, and recent mergers and acquisitions.

Chapter 4: Presents comprehensive profiles of the market's key players, delving into details such as revenue, profit margins, product portfolios, and company milestones.

Chapters 5 & 6: Analyze Operational Technology (OT) Security revenue at both regional and country levels, providing quantitative breakdowns of market sizes, growth opportunities, and development prospects worldwide.

Chapter 7: Focuses on different market segments by type, examining their individual sizes and potential, guiding readers toward high-impact, untapped market areas.

Chapter 8: Explores segmentation by application, evaluating industry growth potential in various downstream markets and pinpointing promising sectors for expansion.

Chapter 9: Provides a thorough review of the industry's supply chain mapping out both upstream and downstream activities.

Chapter 10: Concludes with a summary of the report's key findings and highlights the most critical takeaways for industry stakeholders.

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FAQ

What is the current size of the Operational Technology (OT) Security Market?

A: In 2024, the Operational Technology (OT) Security Market was valued at US$ 18.10 billion, reflecting its strong industry presence.

Q2: How large is the Operational Technology (OT) Security Market expected to be by 2033?

A: By 2033, industry forecasts suggest the Operational Technology (OT) Security Market will grow to around US$ 89.95 billion, demonstrating significant expansion.

Q3: What is the growth rate of the Operational Technology (OT) Security Market?

A: The market is projected to expand at a compound annual growth rate (CAGR) of 19.50% during the forecast period from 2025 to 2033.

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