Troubleshooting QRadar
In the previous chapters, we discussed the architecture of QRadar and walked through how to use QRadar and its various features. In this chapter, we will discuss the common problems or issues that you may face while working on QRadar. QRadar has evolved a lot over the last decade. There have been regular updates to the underlying operating system (OS), new features have been introduced, and bugs have been resolved. Also, all the vulnerabilities found in the product are addressed in the update packs and version upgrades. Over the years, common issues were discovered that happened mostly because of the complexity of the product and a lack of understanding of the configuration details. The common problems can be categorized as follows:
- Log source and flow integration issues
- QRadar deployment issues
- QRadar app issues
- Performance issues
Over the years, I have found that QRadar admins struggle with a few basic queries. That could be because...
