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Nagios Log Server vs Splunk Enterprise Security 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

Nagios Log Server
Ranking in Log Management
46th
Average Rating
8.0
Reviews Sentiment
6.9
Number of Reviews
4
Ranking in other categories
No ranking in other categories
Splunk Enterprise Security
Ranking in Log Management
2nd
Average Rating
8.4
Reviews Sentiment
7.3
Number of Reviews
369
Ranking in other categories
Security Information and Event Management (SIEM) (1st), IT Operations Analytics (1st)
 

Mindshare comparison

As of October 2025, in the Log Management category, the mindshare of Nagios Log Server is 0.8%, down from 0.9% compared to the previous year. The mindshare of Splunk Enterprise Security is 7.7%, down from 9.1% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Log Management Market Share Distribution
ProductMarket Share (%)
Splunk Enterprise Security7.7%
Nagios Log Server0.8%
Other91.5%
Log Management
 

Featured Reviews

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.
Kyle Vernham - PeerSpot reviewer
Built-in searches and unified data access streamline alert investigation and boosts analyst efficiency
The two features I appreciate the most in Splunk Enterprise Security are the built-in searches, which have been very easy for us to get started with right out of the box, and the fact that it accesses all of our other systems. You can access it as a pane of glass rather than having to search individually. We also have the option to compare our analysts from our service to service. Splunk Enterprise Security helps our SOC team prioritize and investigate high-fidelity alerts more effectively by providing a more in-depth look and the ability to access a lot more of our data. Instead of jumping from several segmented systems, it allows us to have everything brought together in one place. For example, you have to move from our purview to our build system and to Splunk Enterprise Security, and it enables us to streamline that process. The built-in features of Splunk Enterprise Security, which we recently procured, have given us a good starting point and demonstrated the value of the product, providing an easy way to sell it to our company. The ease of getting everything into our purview helps us, and it serves as a good start for the investigation part in one location rather than what we usually have, which is jumping from system to system to system. Splunk Enterprise Security plays a role in our company's strategy to combat insider threats and advanced persistent threats by currently being in its technical test phase. We are still rolling it out, and it should help us find any insider threats based on information that our policy states should not be present in our system. Splunk Enterprise Security's risk-based alerting (RBA) has impacted our alert volume and analyst productivity because we've got many different systems feeding into it. However, it has helped to make it easier for our analysts to go through a set of events rather than 100 alerts. RBA allows us to streamline the process and customize it for our analysts. When it comes to leveraging Splunk Enterprise Security's dashboards and visualizations to communicate security posture to executives, it's pretty straightforward for any type of information. The visualization is easy to understand, but I haven't had any direct conversations with our executives.

Quotes from Members

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

Pros

"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 initial setup of Nagios Log Server was easy and straightforward."
"A great feature of the solution involves its internal portal."
"The product is scalable."
"The feature I appreciate the most about Splunk Enterprise Security is Search Processing Language, which has benefited my organization by making searching data a lot easier than other tools I've used."
"The correlation searches (properly configured) populate the Incident Management dashboard and provide me a quick birds-eye view of my most important concerns."
"We primarily use it to correlate logs throughout the enterprise for both searching and use in investigations."
"It provides a lot of analytics with the underlying AI engine, and it is a lot easier than other solutions. There are some products that do automated AI-based detection and drawing up charts, but for network monitoring and all of the monitoring aspects, it is quite a nice tool. It is very convenient for business users because they get more or less a lot of data readily available. If you're familiar with the Splunk query language, you can pretty much do whatever you want."
"Positive features include replication capabilities, software development kits, and the architecture."
"Splunk has significantly helped with aggregation and correlation of critical logs. Not having to grep on each individual server has made everyone more efficient."
"It gives us the liberty to do more in terms of use cases."
"Splunk goes beyond collecting basic metrics like CPU or memory utilization; it comprehensively gathers data from various sources, including networks, applications, and virtualization, eliminating the need for siloed solutions and enhancing the capabilities of existing engineering software."
 

Cons

"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 customization and dashboards have shortcomings and need to be improved to make the tool look more presentable."
"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 support could be better."
"Splunk ES could have more pre-built integrations and rules. The detection is fairly accurate, but it depends on the rules you create. Splunk's out-of-the-box configuration isn't that useful."
"There are limitations with Splunk not detecting all user activity, especially on mainframes and network devices."
"The solution could use a different licensing model."
"The high cost of Splunk Enterprise Security prevented us from using its full capabilities."
"Splunk Enterprise Security can be improved by including backup network detection and response and safe management to the paid platform."
"Features related to content management must be improved."
"I think the machine learning should be emphasized. Now, it's really important to analyze Big Data, data mining. A SIEM solution, like Splunk, needs an improved data mining solution, artificial intelligence."
"I do not have any pain points for Splunk Enterprise Security. I am still trying to learn it, but there can be more information on the education side for Splunk Enterprise Security. It would be nice if the certification path was more specific to what I use instead of being so broad."
 

Pricing and Cost Advice

"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."
"Splunk Enterprise Security is an expensive solution."
"This product could use better pricing in general."
"I think the price could be improved."
"Pricing and licensing is quite expensive. But for the value the product provides, it seems at par in the market."
"It's a little bit expensive for a small to medium enterprise."
"Splunk Enterprise Security is expensive."
"Splunk is expensive based on our current requirements, but it's obviously worth what we pay."
"Splunk is definitely not a cheap solution. It is an expensive product."
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Comparison Review

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Feb 26, 2015
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We at Infosecnirvana.com have done several posts on SIEM. After the Dummies Guide on SIEM, we are following it up with a SIEM Product Comparison – 101 deck. So, here it is for your viewing pleasure. Let me know what you think by posting your comments below. The key products compared here are…
 

Top Industries

By visitors reading reviews
Computer Software Company
11%
Manufacturing Company
9%
Educational Organization
8%
University
8%
Computer Software Company
14%
Financial Services Firm
14%
Manufacturing Company
8%
Government
7%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
No data available
By reviewers
Company SizeCount
Small Business110
Midsize Enterprise50
Large Enterprise257
 

Questions from the Community

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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 a better choice, Splunk or Azure Sentinel?
It would really depend on (1) which logs you need to ingest and (2) what are your use cases Splunk is easy for ingestion of anything, but the charge per GB/Day Indexed and it gets expensive as log ...
How does Splunk compare with Azure Monitor?
Splunk handles a high amount of data very well. We use Splunk to capture information and as an aggregator for monitoring information from different sources. Splunk is very good at alerting us if we...
 

Overview

 

Sample Customers

IBM, impulse, wipro, comteco
Splunk has more than 7,000 customers spread across over 90 countries. These customers include Telenor, UniCredit, ideeli, McKenney's, Tesco, and SurveyMonkey.
Find out what your peers are saying about Nagios Log Server vs. Splunk Enterprise Security and other solutions. Updated: September 2025.
869,566 professionals have used our research since 2012.