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IoT and OT Security Handbook

You're reading from  IoT and OT Security Handbook

Product type Book
Published in Mar 2023
Publisher Packt
ISBN-13 9781804619803
Pages 172 pages
Edition 1st Edition
Languages
Authors (2):
Smita Jain Smita Jain
Profile icon Smita Jain
Vasantha Lakshmi Vasantha Lakshmi
Profile icon Vasantha Lakshmi
View More author details

Table of Contents (16) Chapters

Preface 1. Part 1: Understand the Challenges in IoT/OT Security and Common Attacks
2. Chapter 1: Addressing Cybersecurity in the Age of Industry 4.0 3. Chapter 2: Delving into Network Segmentation-Based Reference Architecture – the Purdue Model 4. Chapter 3: Common Attacks on IoT/OT Environments 5. Part 2: How Microsoft Defender for IoT Can Address the Open Challenges in the Connected World We Live in Today
6. Chapter 4: What Is Microsoft Defender for IoT? 7. Chapter 5: How Does Microsoft Defender for IoT Fit into Your OT/IoT Environment/Architecture? 8. Chapter 6: How Do the Microsoft Defender for IoT Features Help in Addressing Open Challenges? 9. Part 3: Best Practices to Achieve Continuous Monitoring, Vulnerability Management, Threat Monitoring and Hunting, and to Align the Business Model Toward Zero Trust
10. Chapter 7: Asset Inventory 11. Chapter 8: Continuous Monitoring 12. Chapter 9: Vulnerability Management and Threat Monitoring 13. Chapter 10: Zero Trust Architecture and the NIST Cybersecurity Framework 14. Index 15. Other Books You May Enjoy

Zero-trust architecture

It goes without saying that understanding zero-trust implementation is important to ensure the hardware root of trust is not breached and to ensure device integrity when we start architecting an organization’s digital layout (including IT, OT, and IoT).

Zero-Trust Architecture (ZTA) is a strategy to gain the best possible security where nothing is trusted. It’s a method for developing and putting into practice the following set of security principles:

  • Verify explicitly: Always use the most up-to-date data points to authenticate and authorize.
  • Use least privilege: Use data protection, risk-based adaptive rules, and just-in-time and just enough access (JIT/JEA) to restrict user access.
  • Assume a breach: Minimize an attack’s blast arc and divide the access area. Use analytics to drive threat detection, gain awareness, and strengthen defenses while verifying end-to-end encryption.

The zero-trust strategy helps organizations...

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