After installing a QRadar patch, any QRadar Apps already installed and that are included by default within the QRadar patch (e.g., Log Source Management App) should be verified for its version and updated.

QRadar Apps can fail to load due to expired certificates not being renewed if the qradarca-monitor service is in a stuck state.

The QRadar Deployment Intelligence (QDI) App displays blank graphs when attempting to perform an advanced health query on an encrypted Managed Host.

The reset-qradar-ca.sh script can fail to reset all certificates properly if it encounters the same time as qradarca-monitor service is running.

It has been identified that in some instances QRadar Apps can experience out of memory occurrences due to Red Hat Enterprise Linux (RHEL) kernel bug with dentry slab cache where kernel memory does not get freed as expected.

It has been identified that System Rules (Building Blocks) that have been modified cannot be deleted due to information stored and used by the rule deletion dependency checker in QRadar.

The Ponemon Institute “Cost of a Data Breach Report 2020” report, commissioned by IBM, reveals that the average cost of a data breach in 2020 is 3.86 Million dollars.

The IBM QRadar Security Analytics Self Monitoring will help you detect suspicious behavior and comply with audit requirements.

Monitoring endpoints is one of the biggest challenges for a SOC. Within a customer infrastructure, user roles, software, and behaviors can vary significantly from one machine to the other.

The IBM QRadar Endpoint Content Extension provides rules and reports content to detect suspicious Endpoint behaviour.

The QRadar Assistant app helps you manage your app and content extension inventory, view app and content extension recommendations, follow the QRadar Twitter feed, and get links to useful QRadar information.

The IBM QRadar Content Extension for Azure provides rules and reports content to monitor Microsoft Azure Security, it covers Azure Platform and Azure Active Directory.

What are the services responsible for the application framework functionality and how to check their status?

QRadar: How to verify the application framework docker images are installed and running?

A Docker network defines a communication trust zone where communication is unrestricted between containers in that network.

The application is installed and is displayed on the QRadar® dashboard, but the application does not appear to be working.

Administrators who upgrade to QRadar versions 7.3.2 & above might experience issues where the global proxy configuration is pushed to all apps in the application framework.

Administrators or users might notice that when they log in to the QRadar Console that the tab or the contents of an app is not visible in the user interface.

How do you use recon ps to view logs for QRadar applications?

In QRadar® 7.4.0 the qappmanager utility was introduced to assist support with managing, controlling, and diagnosing applications. This article is a basic overview of the qappmanager support utility.

Why are my app tabs missing or blank in the QRadar Console UI?

Apps and memory resource limitation in Qradar 7.5.0+

On the QRadar Console, when you select an application, an error message displays, ‘Cannot establish secure connection to the console. Check if your QRadar Certificates are set up properly’. This error message can be caused by missing certificate chains on the Console or App Host appliance.