A Calculated Risk | OT After Hours, An OT Security Podcast

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In this episode, we explore the concept of Calculated Risk Rating (CRR) and its importance in OT cybersecurity. Join host Ken Kully, Systems Support Lead at Verve Industrial, and his guests – Zachary Woltjer, Cyber Data Analyst at Verve, and Lance Lamont – as they discuss how to prioritize and address vulnerabilities in industrial environments.

Key Takeaways

-Calculated Risk Rating helps tailor cybersecurity solutions to specific industrial environments
-CRR considers both the impact and likelihood of vulnerabilities being exploited
-The approach helps organizations prioritize their limited resources for maximum security benefit
-Trust between cybersecurity providers and industrial operators is crucial for effective risk management
-Active asset inventory solutions provide richer data for more effective risk mitigation strategies

Timestamps

00:00 – Introduction and sound check

01:00 – Introduction of guest Zachary Woltjer

02:50 – Explanation of Calculated Risk Rating (CRR)

06:21 – Importance of contextualizing vulnerability information

09:47 – Discussion on EPSS (Exploit Prediction Scoring System)

12:43 – Identifying "crown jewels" in industrial environments

18:48 – Process of assigning criticality and likelihood ratings

26:50 – Importance of defense in depth strategies

31:01 – How Verve's teams work together to implement CRR

35:56 – Benefits of active asset inventory solutions

42:35 – Conclusion and outtro

Guest Information

Zachary Woltjer: Cyber Data Analyst on the Customer Success team at Verve Industrial

Lance Lamont: Creator and Explorer at Verve Industrial Protection, leading the research team in exploring OT devices and their security.