Book Image

Building a Next-Gen SOC with IBM QRadar

By : Ashish M Kothekar
Book Image

Building a Next-Gen SOC with IBM QRadar

By: Ashish M Kothekar

Overview of this book

This comprehensive guide to QRadar will help you build an efficient security operations center (SOC) for threat hunting and need-to-know software updates, as well as understand compliance and reporting and how IBM QRadar stores network data in real time. The book begins with a quick introduction to QRadar components and architecture, teaching you the different ways of deploying QRadar. You’ll grasp the importance of being aware of the major and minor upgrades in software and learn how to scale, upgrade, and maintain QRadar. Once you gain a detailed understanding of QRadar and how its environment is built, the chapters will take you through the features and how they can be tailored to meet specifi c business requirements. You’ll also explore events, flows, and searches with the help of examples. As you advance, you’ll familiarize yourself with predefined QRadar applications and extensions that successfully mine data and find out how to integrate AI in threat management with confidence. Toward the end of this book, you’ll create different types of apps in QRadar, troubleshoot and maintain them, and recognize the current security challenges and address them through QRadar XDR. By the end of this book, you’ll be able to apply IBM QRadar SOC’s prescriptive practices and leverage its capabilities to build a very efficient SOC in your enterprise.
Table of Contents (18 chapters)
Part 1: Understanding Different QRadar Components and Architecture
Part 2: QRadar Features and Deployment
Part 3: Understanding QRadar Apps, Extensions, and Their Deployment

Services involved in a QRadar search

QRadar searches, if not designed well, can lead to performance issues on QRadar. The various symptoms that we can see (not necessarily only because of bad search) are as follows:

  • Searches become slow
  • Reports take a lot of time to complete (especially reports that are run manually on raw data)
  • The QRadar UI becomes slow
  • QRadar partition for /transient may become full

Apart from these, however, there could be many more issues that could arise. To resolve such issues, you should know which services need to be restarted (if ever), and this section is intended to make you aware of these very services. Let’s get started!

In Chapter 1, we discussed all the major services in QRadar. Out of those, the following are the services that are involved when running searches:

  • Tomcat service: Whenever you want to create or run a search, open the QRadar Console and go to Log Activity. The QRadar UI is controlled by the...