Top 10 OT Security Solutions

As the digital and physical worlds converge, Operational Technology (OT) security is now at the heart of critical infrastructure defense. From manufacturing plants to energy grids, protecting industrial control systems is no longer optional.

Here’s a countdown of the top 10 OT security providers in 2025 — including what makes them stand out, where they’re based, and who’s leading them.

10. Cisco Systems

• Headquarters: San Jose, California, USA
• CEO: Chuck Robbins
• Founded: 1984

A longstanding leader in networking, Cisco offers industrial-grade firewalls, network segmentation, and secure access solutions tailored for OT and IT convergence. Its strength lies in visibility, scalability, and integration with existing enterprise infrastructure.

9. Palo Alto Networks

• Headquarters: Santa Clara, California, USA
• CEO: Nikesh Arora
• Founded: 2005

Palo Alto brings enterprise-class threat prevention to OT environments with advanced threat detection, deep packet inspection, and AI-powered analytics. Its platform supports zero-trust segmentation and secures assets without disrupting operations.

8. Check Point Software Technologies

• Headquarters: Tel Aviv, Israel
• CEO: Gil Shwed
• Founded: 1993

With decades of cybersecurity leadership, Check Point protects OT environments through micro-segmentation, virtual patching, and threat prevention tailored for ICS networks. It also provides policy management tools for both IT and OT in one pane.

7. Trend Micro

• Headquarters: Tokyo, Japan
• CEO: Eva Chen
• Founded: 1988

Trend Micro defends OT and legacy systems with anomaly detection, behavioral analysis, and specialized ICS protection. It integrates with SIEMs and supports industrial protocols, making it ideal for mixed environments with older tech.

6. Armis

• Headquarters: Palo Alto, California, USA
• CEO: Yevgeny Dibrov
• Founded: 2015

Armis is an agentless platform that provides full asset visibility and risk management across OT, IoT, and IT environments. Known for its zero-touch deployment and real-time insights, it helps eliminate blind spots in unmanaged infrastructure.

5. Claroty

• Headquarters: New York, New York, USA
• CEO: Yaniv Vardi
• Founded: 2015

Regularly recognized by Gartner, Claroty secures industrial, healthcare, and public-sector OT networks. Its platform enables asset discovery, risk assessment, and network segmentation—both on-prem and in the cloud. Its deep protocol understanding and fast deployment make it a favorite for security operations teams seeking central visibility and control.

4. Nozomi Networks

• Headquarters: San Francisco, California, USA
• CEO: Edgard Capdevielle
• Founded: 2013

Nozomi Networks offers AI-driven monitoring, threat detection, and anomaly detection purpose-built for OT and ICS. It supports hundreds of industrial protocols and provides deep visibility into process variables, asset behavior, and network flows.

3. Fortinet

• Headquarters: Sunnyvale, California, USA
• CEO: Ken Xie
• Founded: 2000

Fortinet’s Security Fabric extends to OT with rugged appliances, industrial firewalls, and real-time visibility tools. Known for high performance and unified threat protection, it’s widely used in energy, utilities, and manufacturing sectors.

2. Honeywell

• Headquarters: Charlotte, North Carolina, USA
• CEO: Vimal Kapur
• Founded: 1906

A legacy industrial giant, Honeywell blends decades of operational expertise with cutting-edge cybersecurity. Its OT security offerings include managed services, threat intelligence, and control system hardening—often integrated directly into production environments.

1. Dragos

• Headquarters: Hanover, Maryland, USA
• CEO: Robert M. Lee
• Founded: 2016

Dragos is the leading name in OT-specific cybersecurity. Built by industrial control system experts, its platform delivers threat intelligence, asset detection, and incident response built solely for OT. With its own threat hunting team and elite ICS/SCADA analysts, Dragos sets the bar for defending critical infrastructure worldwide.

Why This Matters

OT systems are the backbone of modern industry—and increasingly under threat. These companies are not just keeping pace, they’re leading the charge in making critical infrastructure secure, resilient, and ready for the connected era.