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IBM Security QRadar vs Nagios Log Server comparison

 

Comparison Buyer's Guide

Executive SummaryUpdated on Jul 13, 2025

Review summaries and opinions

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:
 

Categories and Ranking

IBM Security QRadar
Ranking in Log Management
5th
Average Rating
8.0
Reviews Sentiment
6.8
Number of Reviews
209
Ranking in other categories
Security Information and Event Management (SIEM) (4th), User Entity Behavior Analytics (UEBA) (1st), Endpoint Detection and Response (EDR) (18th), Security Orchestration Automation and Response (SOAR) (4th), Managed Detection and Response (MDR) (9th), Extended Detection and Response (XDR) (13th)
Nagios Log Server
Ranking in Log Management
43rd
Average Rating
8.0
Reviews Sentiment
6.9
Number of Reviews
4
Ranking in other categories
No ranking in other categories
 

Mindshare comparison

As of August 2025, in the Log Management category, the mindshare of IBM Security QRadar is 3.6%, down from 4.7% compared to the previous year. The mindshare of Nagios Log Server is 0.8%, down from 0.8% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Log Management
 

Featured Reviews

Mahmoud Younes - PeerSpot reviewer
Reliable installation and diverse use cases provide strong value
IBM Security QRadar has some areas for improvement. We have missed some DSM components. We need to customize logs where there is no DSM or connector for certain products. We can integrate but we have missed the DSM, which is the connector to pass logs coming from different applications. For example, with a university customer, we tried onboarding Canvas service. IBM Security QRadar does not support Canvas, so we had to create custom scripts and workarounds to pull logs from Canvas.
Syarul Idzuddin Adzmi - PeerSpot reviewer
A scalable and affordable tool for monitoring data centers
Five engineers are needed for the maintenance of the product. I would definitely recommend the solution to those planning to use it. To increase the rating for the product, Nagios should offer remote support and offer more customization in reporting while making it easy for the customers to use it. Overall, I rate the solution an eight out of ten.

Quotes from Members

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:
 

Pros

"There are a lot of features in QRadar. App Exchange is the most valuable feature. User behavior analytics (UBA) is also a very good feature. Watson is also there, but we are not currently using Watson. It is versatile and quite easy. It also has an all-in-one-box feature and good integration with AWS."
"It saves a lot of time. We integrate the customer's firewall with all their networking devices."
"The tool's most valuable feature is log source management. It enables us to connect to various log sources, including content, authentications, or other customized integrations. These integrations can be tailored for use with other platforms that don’t already have built-in IBM add-ons."
"IBM QRadar has improved my organization by introducing many functions. It collects logs from all of our systems in the organization and has functioned very well. It alerts and correlates the aggregate events or offenses we receive through all the applications we use."
"IBM QRadar User Behavior Analytics's most important feature is its ease of use."
"It is a very optimized engine."
"The most valuable feature is the QRadar Vulnerability Manager which provides vulnerability scans. In addition, I like the way QRadar generates alerts."
"We get events and make the correlation, or rules. In IBM, we can implement our customer's rules. We can have very clear status threats and severity of antigens."
"A great feature of the solution involves its internal portal."
"The initial setup of Nagios Log Server was easy and straightforward."
"One of the most valuable features is the dashboard because the UI was effective and easy to use. The alert systems are good as well. We had no failovers and had high availability. We can search the queries fast as well in Nagios Log Server."
"The product is scalable."
 

Cons

"Communication between the silos sometimes becomes an issue, making it an area where improvements are required."
"We have had problems with networking."
"I don't look at only the features and benefits; I also look at the price. It is a bit expensive when compared with other solutions. It is expensive for specific deployment topologies, and the decision-makers go for alternatives like ArcSight. It should also have more AI features or capabilities for better threat intelligence. The more it uses machine learning, the better would be the dashboard, analytics, and other things."
"It is very difficult to activate all of the network equipment, and it would help if it were made easier."
"IBM Security QRadar does not support Canvas, so we had to create custom scripts and workarounds to pull logs from Canvas."
"Ideally we would like a mobile version so that any alert that comes in will notify us in a mobile app, or by using SMS integration."
"We sometimes experience downtime, but it depends on the version. There is some variability."
"IBM Security QRadar’s GUI could be improved."
"The configurations during initial setup could be improved. If they could be agentless, as in the case of the Ansible product, it would be better. I would like to be able to analyze the network bandwidth."
"The support could be better."
"As we are talking about a product which is open to the public, the pricing makes it challenging for us to profit off of its marketing."
"The customization and dashboards have shortcomings and need to be improved to make the tool look more presentable."
 

Pricing and Cost Advice

"IBM's Qradar is not for small companie. Unfortunately, it would be 'overkill' to place it plainly. The pricing would be too much."
"The tool is priced in a competitive manner. The tool's price is dependent on the installation and the product size, but it is competitive in the marketplace."
"There is an annual license required for this solution."
"It is expensive. It is not a product that I can provide for SMBs. It is a program that I can only provide for really large enterprises."
"There are additional costs, such as the cost associated with the different hardware required for implementation and deployment. Along with the add-on apps, these are all additional costs, and they require licensing as well."
"It's very expensive but it fits our budget."
"In terms of additional costs, it depends on the subscription that you choose. There are plenty of options to choose from."
"The pricing is higher but cheaper than others and there are no additional costs."
"On a scale of one to ten, where one is expensive, and ten is cheap, I rate the pricing an eight or nine."
"We found the pricing to be quite affordable."
"For a single instance, the price is around $4,000."
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Comparison Review

VS
Jun 28, 2015
Qradar vs. ArcSight
Continuing with the SIEM posts we have done at Infosecnirvana, this post is a Head to head comparison of the two Industry leading SIEM products in the market – HP ArcSight and IBM QRadar Both the products have consistently been in the Gartner Leaders Quadrant. Both HP and IBM took over niche SIEM…
 

Top Industries

By visitors reading reviews
Computer Software Company
16%
Financial Services Firm
11%
Government
7%
Manufacturing Company
7%
Computer Software Company
12%
Manufacturing Company
9%
University
8%
Government
7%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
No data available
 

Questions from the Community

What are the biggest differences between Securonix UEBA, Exabeam, and IBM QRadar?
It mostly depends on your use-cases and environment. Exabeam and Securonix have a stronger UEBA feature set, friendlier GUI and are not licensed based on capacity (amount of logs and information in...
What SOC product do you recommend?
For tools I’d recommend: -SIEM- LogRhythm -SOAR- Palo Alto XSOAR Doing commercial w/o both (or at least an XDR) is asking to miss details that are critical, and ending up a statistic. Also, rememb...
What is your experience regarding pricing and costs for IBM Security QRadar?
When comparing with Splunk, IBM Security QRadar's cost is reasonable. Splunk is more expensive than IBM Security QRadar.
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Also Known As

IBM QRadar, QRadar SIEM, QRadar UBA, QRadar on Cloud, IBM QRadar Advisor with Watson
No data available
 

Overview

 

Sample Customers

Clients across multiple industries, such as energy, financial, retail, healthcare, government, communications, and education use QRadar.
IBM, impulse, wipro, comteco
Find out what your peers are saying about IBM Security QRadar vs. Nagios Log Server and other solutions. Updated: July 2025.
865,295 professionals have used our research since 2012.