IDC MarketScape: Worldwide Operational Technology Security Services 2026 Vendor Assessment

This IDC MarketScape study represents a vendor assessment of the cybersecurity for operational technology services market using the IDC MarketScape model. This excerpt provides a quantitative and qualitative assessment of the characteristics that explain a vendor’s success in the marketplace and help anticipate its ascendancy. For the purposes of this analysis, IDC divided potential key measures for success into two primary categories: capabilities and strategies. This is the first time the IDC MarketScape has assessed this market globally and Deloitte has been recognized as a Leader.

“I am proud that Deloitte has been recognized as a Leader in this IDC MarketScape,” says Ayan Chatterjee, Deloitte Global Cyber Portfolio leader. “As OT security evolves into a cyber-physical resilience imperative, organizations require trusted collaborators that can help them navigate increasing cyber threats, regulatory complexity, and IT/OT convergence. We believe Deloitte is positioned to deliver end-to-end OT security transformation, helping clients strengthen resilience and drive long-term business outcomes.”

Customers highlight Deloitte's reliability and commitment to delivering OT security engagements on time including in complex, multisite operational environments. Deloitte is frequently described as dependable under execution pressure. As one customer stated, "Deloitte is always helpful, always generous, always provides best practice to us." This perceived consistency contributes to customer confidence in Deloitte's ability to support long- running OT security initiatives with minimal operational disruption. In IDC's Global OT Security Services Survey, Deloitte receives positive customer commendation for "Understanding of my industry."

As regulatory complexity and emerging cyber threats increase operational risk, investment in OT security has become a business necessity,” adds Dana Spataru, Global Emerging Technology Cyber leader, Deloitte Netherlands. “Deloitte has earned client trust through dependable delivery, collaborative relationships, and measurable outcomes, helping clients implement, manage, and secure complex OT environments.”

Key Links

• View the MarketScape graphic in larger size
• Read the full press announcement
• Source: IDC MarketScape: Worldwide Operational Technology Security Services 2026 Vendor Assessment, By Cathy Huang, Published June 2026, Doc  #US53952726

IDC Disclaimer:

IDC MarketScape vendor analysis model is designed to provide an overview of the competitive fitness of technology and suppliers in a given market. The research methodology utilizes a rigorous scoring methodology based on both qualitative and quantitative criteria that results in a single graphical illustration of each supplier’s position within a given market. The Capabilities score measures supplier product, go-to-market and business execution in the short-term. The Strategy score measures alignment of supplier strategies with customer requirements in a 3-5-year timeframe. Supplier market share is represented by the size of the icons.