You're reading from CISA – Certified Information Systems Auditor Study Guide - Second Edition

Product typeBook

Published inJun 2023

PublisherPackt

ISBN-139781803248158

Edition2nd Edition

Concepts

Information Security

Author (1)

Hemang Doshi

Recovery Time Objective (RTO) and Recovery Point Objective (RPO)

The RTO and RPO are crucial to designing a disaster recovery strategy. Hence, these two are extremely important aspects to understand from the exam perspective RTO.

The RTO is a measure of the organization’s tolerance to system downtime. In other words, the RTO is the extent of the 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.

RPO

The RPO is a measure of the organization’s tolerance to data loss. In other words, the RPO is the extent of acceptable data loss. For example, an RPO of 2 hours indicates that an organization will not be overly impacted if it loses data for up to 2 hours.

The following figure further explains each of them:

Figure 8.3: RTO and RPO

The following practical examples will help you better understand the preceding diagram:

Example...

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CISA – Certified Information Systems Auditor Study Guide - Second Edition

Published in: Jun 2023Publisher: PacktISBN-13: 9781803248158

Author (1)

Hemang Doshi

Hemang Doshi has more than 15 years of experience in the field of system audit, IT risk and compliance, internal audit, risk management, information security audit, third-party risk management, and operational risk management. He has authored several books for certification such as CISA, CRISC, CISM, DISA, and enterprise risk management.
Read more about Hemang Doshi

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You're reading from CISA – Certified Information Systems Auditor Study Guide - Second Edition

Recovery Time Objective (RTO) and Recovery Point Objective (RPO)

RPO

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