List of the Top 4 Operational Technology (OT) Security Software for Linux in 2025

Fortinet emerges as a key global player in the cybersecurity sector, notable for its comprehensive and integrated approach to safeguarding digital infrastructures, devices, and applications. Founded in 2000, the organization provides a wide range of products and services, including firewalls, endpoint protection, intrusion prevention systems, and secure access solutions. A cornerstone of its offerings is the Fortinet Security Fabric, a unified platform that seamlessly combines various security tools to enhance visibility, automation, and provide real-time threat intelligence across the entire network. Renowned for its dependability among businesses, government agencies, and service providers worldwide, Fortinet prioritizes innovation, scalability, and performance, thereby reinforcing its defenses against the constantly shifting landscape of cyber threats. In addition to its protective capabilities, Fortinet’s dedication to enabling digital transformation and ensuring business continuity highlights its essential role within the cybersecurity landscape, positioning itself as a trusted partner for organizations striving to navigate modern security challenges effectively. With a focus on proactive measures and cutting-edge solutions, Fortinet continues to adapt and evolve to meet the demands of an increasingly complex digital world.

Sectrio offers a holistic cybersecurity solution for OT and IoT environments, effectively recognizing and securing interconnected infrastructures. By providing extensive visibility across various device types and systems, it enables organizations to make well-informed decisions regarding their security strategies. Employing a strong detection methodology that combines signatures, heuristics, and machine learning-based anomaly detection, Sectrio efficiently identifies and addresses threats in integrated networks, including IoT, OT, and Cloud environments. It safeguards infrastructure from sophisticated threats such as zero-day vulnerabilities, advanced persistent threats (APTs), and malware. Additionally, our layered security approach, along with our expert consulting services, has empowered clients to maintain robust defenses against evolving advanced threats, ensuring their operational resilience and peace of mind.

The integration of IT, cloud, and industrial control networks (ICS) has heightened the vulnerability of your industrial operations to cyber threats. To address this challenge, Cisco Cyber Vision has been specifically created to foster teamwork between OT and IT departments, ensuring the safety and continuity of production. Embracing Industrial Internet of Things technologies can help you capitalize on the advantages of digital transformation in the industry. It is essential to kick off your OT security initiative by compiling a precise inventory of your industrial assets, communication flows, and network architectures. Enhancing your Security Operations Center (SOC) with OT context will enable you to utilize the investments made in IT cybersecurity to safeguard your OT infrastructure. You can elevate your OT security strategy by providing comprehensive compliance information that encourages collaboration between IT and OT specialists, ultimately strengthening the overall security framework. This integration between teams not only improves security but also enhances operational efficiency across your organization.

The OPSWAT MetaDefender Kiosk Tower represents our largest kiosk model, specifically engineered to scan a wide range of media formats. With a sturdy metal enclosure and a high-quality industrial touchscreen, the MetaDefender Kiosk Tower employs OPSWAT’s trusted and award-winning technology, acclaimed globally for its effectiveness in safeguarding against threats posed by removable and peripheral media in both IT and operational technology (OT) settings. Prior to allowing any removable media to connect with your network, the MetaDefender Kiosk conducts an exhaustive scan to identify any malicious content, subsequently sanitizing it to ensure safe usage. Moreover, it provides up-to-the-minute access to operational technology data while enabling secure data transfers to OT environments, thus protecting them from potential threats originating from the network. Users also enjoy features like the automatic handling of large file transfers, the incorporation of data-at-rest encryption, and the establishment of role-based access controls, all while ensuring compliance with regulatory standards and maintaining meticulous audit trails. Furthermore, it enhances security by controlling access to USB devices and other types of media until all required security protocols have been fulfilled. This all-encompassing strategy not only bolsters security but also optimizes the workflow for users operating in sensitive environments, promoting a seamless user experience. Ultimately, the MetaDefender Kiosk Tower is an essential tool for organizations aiming to secure their data while streamlining operations.