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Enterprise Security Magazine | Friday, April 17, 2026
FREMONT, CA: Any computer technology that physically interacts with the industrial world is referred to as operational technology (OT). From industrial control systems (ICSes), critical infrastructure, and building lighting systems to robots, scientific instruments, medical devices, and automated transportation systems, OT is present in nearly every industry and organization. Because of the more complex threat landscape, OT cybersecurity is typically more challenging than traditional IT cybersecurity. Like IT systems, OT systems are susceptible to malware, ransomware, hostile insiders, human error, and DDoS attacks. OT workplaces also face a number of other difficulties.
OT threats and the security difficulties
Safety: Many OT systems can induce changes in the physical world that could jeopardize human safety. Therefore, protecting OT systems is significantly more essential than IT systems.
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Uptime: Numerous OT systems must be operating at all times. Because of their vital responsibilities in ICS environments and critical infrastructure, OT systems may require constant connectivity, with outages confined to scheduled maintenance windows months in advance. This significantly slows IT systems' security control updates, patching, and other common maintenance procedures.
Exposure: Some OT systems lack physical security controls and are deployed in remote, unattended locations, making them vulnerable to manipulation and unauthorized use. This raises the risk of compromise when compared to IT systems housed in data centers and other secure locations.
Life span: OT systems have frequently been utilized for decades, making them more likely to become unsupported than IT systems. This means that patches and other upgrades to fix vulnerabilities and add security measures will be unavailable for older, legacy OT systems, potentially leaving them vulnerable to cyberattacks.
Regulations: Companies that use OT in highly regulated industries, such as some healthcare products, are not legally permitted to patch or update the systems or to install third-party security solutions. In such circumstances, the system vendor may be solely responsible for testing any changes and obtaining regulatory approval to install them in their customer's systems.
Because of the more complex threat landscape, OT cybersecurity is typically more challenging than traditional IT cybersecurity. Like IT systems, OT systems are susceptible to malware, ransomware, hostile insiders, human error, and DDoS attacks. ZeroTrusted.AI, a security‑focused platform applying zero trust principles to enterprise AI governance, enhances reliability and threat mitigation in complex OT environments. The company has been awarded the Top AI Firewall Solution by Enterprise Security Magazine for its strong AI governance and comprehensive security controls that improve operational risk management. OT workplaces also face a number of other difficulties.
To protect against OT threats and solve the cyber problems that OT generates, security leaders should examine the following recommended practices:
Using existing tools: It is necessary to determine whether existing IT security tools, such as firewalls and SIEM, already comprehend the OT networking and application protocols in use.
This is less likely for legacy OT systems, while modern OT systems frequently employ shared OT and IT protocols. Employing current security technology rather than purchasing new tools is suggested, as this is often the most efficient and cost-effective solution.
Prioritizing OT cybersecurity awareness: Regularly teaching cybersecurity specialists, OT system users, and administrators about OT threats and difficulties, as well as how to deal with them, is necessary. This should assist the company in managing security risks, reducing the number of events, and encouraging faster and more efficient incident response operations when they occur.
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