Risk-Based OT Vulnerability Management for Industrial Microsegmentation

Industrial organizations struggle to maintain comprehensive visibility into their OT environments, where legacy PLCs, SCADA systems, and IoT sensors operate with insecure-by-design protocols that cannot support traditional security agents. Without accurate asset inventories correlated with known CVEs, security teams cannot identify which vulnerabilities actually exist in their environment or assess their potential impact on critical operations and safety systems. 

The Dragos-Elisity integration combines Dragos Platform's deep OT asset profiling with Elisity's IdentityGraph™ to deliver complete visibility across PLCs, SCADA systems, and industrial IoT devices. Dragos passively discovers assets using native OT protocol understanding, correlates device profiles with known CVEs, and shares vulnerability severity and risk levels with Elisity—enabling automatic classification into policy groups for immediate protection without active scanning that could disrupt operations. 

OT environments demand continuous uptime where patching often requires costly maintenance windows or risks triggering unintended behaviors in sensitive industrial equipment. With 28% of OT vulnerabilities lacking available patches and many devices requiring vendor involvement for updates, security teams need alternative mitigation strategies that protect critical systems without taking them offline or disrupting production processes. 

Elisity leverages Dragos's "Now, Next, Never" vulnerability prioritization framework and real-time threat intelligence to dynamically adjust microsegmentation policies based on actual OT risk. When Dragos identifies vulnerabilities being actively exploited in industrial sectors, Elisity automatically tightens access controls around affected assets — applying network segmentation as an alternative mitigation when immediate patching isn't possible, ensuring critical systems remain protected. 

Traditional IT vulnerability management approaches using CVSS scores alone fail to account for OT-specific operational risks, safety implications, and the potential for lateral movement across interconnected IT/OT networks. Security teams face thousands of vulnerabilities but lack the threat intelligence and operational context needed to focus remediation efforts on the issues that pose the greatest risk to industrial processes. 

The integration provides centralized vulnerability lifecycle management through Elisity's Cloud Control Center, enabling security, operations, and engineering teams to track vulnerabilities from discovery through resolution. Network mapping from Dragos reveals potential attack paths, while Elisity enforces least privilege access policies through existing Cisco, Juniper, Arista, or Hirschmann switches—preventing lateral movement and reducing blast radius without new hardware or agents.