In this episode of OT After Hours, Ken Kully (Delivery Readiness at Rockwell Automation) is joined Lance Lamont (Special Projects & Protocols Team Lead at Rockwell Automation), to bid a bittersweet farewell to Natalie Kalinowski, who is leaving Rockwell after 4 years to take on a new and exciting opportunity.
But leave it to Natalie to bring up one last timely topic, in this case the importance of using layered security strategies when defending OT environments.
Key Takeaways
- Layered Security Strategies in OT Environments: When consistent patching and regular hardware update cycles are unavailable, layered security approaches become a vital means of defending operational technology (OT) environments, especially practices such as network segmentation, compensating controls, and other practical approaches to securing legacy devices.
- Practical Security Recommendations and Tools: What are some actionable recommendations for OT security? There are many, including the use of change detection, network monitoring, and leveraging available frameworks and tools to enhance resilience.
- Device Interoperability and Undocumented Vulnerabilities: Lance's team within the SecureOT family researches device interoperability, often discovering undocumented vulnerabilities in the things that keep plants running. This underscores the importance of not relying solely on published vulnerability databases.
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