The Purdue Model for OT Security is a structured approach to protecting operational technology (OT) environments by segmenting industrial networks into layers and defining strict access controls. This model ensures that industrial control systems (ICS), supervisory control and data acquisition (SCADA) systems, and manufacturing execution systems (MES) remain secure from external threats.
A key aspect of the Purdue Model for OT Security is isolating OT systems from enterprise IT networks, reducing the risk of cyberattacks that originate from the corporate side. Security mechanisms such as intrusion detection systems (IDS), firewalls, and role-based access controls (RBAC) are commonly used to enforce protection.
With the rise of Industrial IoT (IIoT) and cloud-based industrial applications, organizations are modifying the traditional Purdue Model to support secure remote access and data sharing while maintaining strong cybersecurity defenses. These adaptations allow OT systems to remain protected while benefiting from modern digital transformation initiatives.