CompTIA SecOT+ Study Guide by Kai London
This study guide takes you through the knowledge CompTIA SecOT+ expects, area by area, in clear language — with worked examples, exam tips and practice questions so you can check your progress as you go.
What the book covers
OT fundamentals
Control systems, the Purdue model and how OT differs from IT.
Industrial protocols
Modbus, DNP3, OPC UA and others, and their security weaknesses.
Architecture and segmentation
Zones, conduits and defensible network design for industrial sites.
Risk and standards
Applying IEC 62443 and related frameworks to OT risk.
Monitoring and response
Detection, incident handling and recovery where safety comes first.
Practice and review
End-of-chapter questions with explanations, plus a final review checklist.
This is an independent study aid. It is not affiliated with, sponsored or endorsed by CompTIA; exam names are trademarks of their owners. Always check the current official exam outline.
Who it is for
Candidates preparing for SecOT+, IT security staff moving into OT, and engineers taking on cybersecurity responsibilities.
About the author
Professor Kai London — CISSP, CISM.
An internationally recognised cybersecurity executive, board advisor and Founder & CEO of Quantum AI Systems Security LLC, writing at the convergence of AI, governance and operational resilience. Honorary Professor and Researcher at UCL.