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IBM Security QRadar vs Nagios Log Server comparison

 

Comparison Buyer's Guide

Executive SummaryUpdated on Jun 3, 2026

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
6.6
Number of Reviews
218
Ranking in other categories
Security Information and Event Management (SIEM) (2nd), User Entity Behavior Analytics (UEBA) (3rd), Endpoint Detection and Response (EDR) (12th), Security Orchestration Automation and Response (SOAR) (5th), Managed Detection and Response (MDR) (7th), Extended Detection and Response (XDR) (10th)
Nagios Log Server
Ranking in Log Management
47th
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 2026, in the Log Management category, the mindshare of IBM Security QRadar is 4.5%, up from 3.6% compared to the previous year. The mindshare of Nagios Log Server is 0.9%, up from 0.8% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Log Management Mindshare Distribution
ProductMindshare (%)
IBM Security QRadar4.5%
Nagios Log Server0.9%
Other94.6%
Log Management
 

Featured Reviews

HarshBhardiya - PeerSpot reviewer
SOC Engineer at a outsourcing company with 10,001+ employees
Have managed daily asset and alert monitoring effectively but have encountered limitations with manual processes and interface usability
It's still very manual and doesn't work on its own. It's still in an early stage and not on par where we can consider it a really successful detection system. The accuracy is not there. The UI could be better when compared to Sentinels where we can use flags and tagging. It could be much more user-friendly. IBM Security QRadar has all features and is fully competitive with other SIEM tools, but when it comes to user-friendliness, a new user takes time to get used to it. More intuitive, user-friendly interfaces and more helpful documentation would be beneficial. The query searching and data fetching could be faster. In large to very large organizations with around 5,000 or 6,000 assets or beyond, even with proper configurations and RAM and hardware backing up, the query is fairly slow.
Syarul Idzuddin Adzmi - PeerSpot reviewer
Operation Director at Digital Pulse Sdn Bhd
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

"The most valuable features of IBM Security QRadar are flexibility, IBM support, and scalability."
"We have the abilities to monitor each instance which originates on the process along with the performance of each department."
"It is very flexible and not at all tough for a startup engineer to click and bring solutions inside."
"The simple user access model, or the user interface, is something that is very helpful."
"We pay a little bit extra for Watson, and the Watson feature enables the analyst to go through and triage things much faster."
"I have found the most important features to be the flexibility, tech framework, and disk manager."
"You should totally go for it."
"The most valuable feature is the integration with the GRD, for banking."
"The product is scalable."
"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."
"My company is a featured partner of Nagios XI, so I'm implementing Nagios XI in different companies and supporting the product, and I'd recommend the solution because it offers a lot of benefits and has a good dashboard, it's pretty easy to get up and running, and the pricing is good."
"The initial setup of Nagios Log Server was easy and straightforward."
"A great feature of the solution involves its internal portal."
 

Cons

"The performance of the solution could be improved."
"Technical support really needs to be improved. Right now, they aren't where they need to be at all."
"The technical support from IBM Qradar could improve. I rate the support from IBM Qradar a two out of ten."
"Technical support is good. It's not great, it's good."
"The first area for improvement is the cost. It's a little bit too expensive for us."
"Before we didn't have any security issues but recently a few of the user emails were hacked. We had to actually recreate their emails for them."
"The weak signal detection with QRadar needs improvement. You can detect what you know, but what is unknown to the rule engine can't be detected."
"We have had problems with networking."
"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 configurations during initial setup could be improved."
"The customization and dashboards have shortcomings and need to be improved to make the tool look more presentable."
"The support could be better. They only offer email support."
"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."
 

Pricing and Cost Advice

"A good approach would be to begin with an On Cloud subscription, then later on do a more exact sizing."
"The price of this solution is a little bit expensive, so if it were cheaper then it would help."
"This price is a little high, so it's an expensive product."
"There is a license required for this solution."
"As for licensing costs, I haven't seen the exact figures, but it is considered somewhat costly. On a scale from one to ten, where one is very expensive and ten is very cheap, I would rate it a six—it’s costly but worth the money."
"It is very expensive."
"The licensing is also overly complex, as there is a need to buy the work load performance monitoring separately."
"The cost of this product is expensive."
"For a single instance, the price is around $4,000."
"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."
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Comparison Review

VS
Manager, Enterprise Risk Consulting at a tech company with 1,001-5,000 employees
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
Financial Services Firm
11%
Construction Company
10%
Outsourcing Company
8%
Computer Software Company
8%
Government
13%
Computer Software Company
9%
Financial Services Firm
7%
Manufacturing Company
7%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business92
Midsize Enterprise39
Large Enterprise107
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?
I am overall satisfied with the licensing cost for IBM Security QRadar.
Ask a question
Earn 20 points
 

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: August 2026.
909,679 professionals have used our research since 2012.