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

Product typeBook
Published inJun 2023
PublisherPackt
ISBN-139781803248158
Edition2nd Edition
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Author (1)
Hemang Doshi
Hemang Doshi
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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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Security Monitoring Tools and Techniques

Monitoring security events is a very important aspect of information security. Two important monitoring tools are Intrusion Detection Systems (IDSs) and Intrusion Prevention Systems (IPSs). IDSs only monitor, record, and provide alarms about intrusion activity, whereas IPSs also prevent intrusion activities.

Each of them is discussed in detail.

IDS

An IDS monitors a network (a network-based IDS) or a single system (a host-based IDS) with the aim of recognizing and detecting an intrusion activity.

Network-Based and Host-Based IDSs

The following table differentiates between network-based and host-based IDSs:

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CISA – Certified Information Systems Auditor Study Guide - Second Edition
Published in: Jun 2023Publisher: PacktISBN-13: 9781803248158

Author (1)

author image
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

Network-based IDS

Host-based IDS

It monitors activities across the network

It monitors the activities of a single system or host

Comparatively, network-based...