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Certified Information Security Manager Exam Prep Guide

You're reading from   Certified Information Security Manager Exam Prep Guide Aligned with the latest edition of the CISM Review Manual to help you pass the exam with confidence

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Product type Paperback
Published in Nov 2021
Publisher Packt
ISBN-13 9781801074100
Length 616 pages
Edition 1st Edition
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Author (1):
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Hemang Doshi Hemang Doshi
Author Profile Icon Hemang Doshi
Hemang Doshi
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Toc

Table of Contents (17) Chapters Close

Preface 1. Section 1: Information Security Governance
2. Chapter 1: Information Security Governance FREE CHAPTER 3. Chapter 2: Practical Aspects of Information Security Governance 4. Section 2: Information Risk Management
5. Chapter 3: Overview of Information Risk Management 6. Chapter 4: Practical Aspects of Information Risk Management 7. Chapter 5: Procedural Aspects of Information Risk Management 8. Section 3: Information Security Program Development Management
9. Chapter 6: Overview of Information Security Program Development Management 10. Chapter 7: Information Security Infrastructure and Architecture 11. Chapter 8: Practical Aspects of Information Security Program Development Management 12. Chapter 9: Information Security Monitoring Tools and Techniques 13. Section 4: Information Security Incident Management
14. Chapter 10: Overview of Information Security Incident Manager 15. Chapter 11: Practical Aspects of Information Security Incident Management 16. Other Books You May Enjoy

Operational risk management

Operational risk means risk related to the processes and systems that can interrupt the business's operations. Managing operational risk is one of the key roles of the information security manager. Some of the key aspects that an information security manager must understand regarding operational risks are as follows:

  • Recovery time objective (RTO)
  • Recovery point objective (RPO)
  • Service delivery objective (SDO)
  • Maximum tolerable outage (MTO)
  • Allowable interruption window (AIW)

Let's discuss each of these in detail.

Recovery time objective (RTO)

The RTO is a measure of the user's tolerance to system downtime. In other words, the RTO is the extent of acceptable system downtime. For example, an RTO of 2 hours indicates that an organization will not be overly impacted if its system is down for up to 2 hours.

Recovery Point Objective (RPO)

The RPO is a measure of the user's tolerance to data loss...

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