Try our new research platform with insights from 80,000+ expert users

Graylog Security vs Splunk Enterprise Security comparison

 

Comparison Buyer's Guide

Executive SummaryUpdated on Apr 6, 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

Graylog Security
Ranking in Security Information and Event Management (SIEM)
39th
Average Rating
8.6
Reviews Sentiment
7.5
Number of Reviews
2
Ranking in other categories
No ranking in other categories
Splunk Enterprise Security
Ranking in Security Information and Event Management (SIEM)
1st
Average Rating
8.4
Reviews Sentiment
7.6
Number of Reviews
305
Ranking in other categories
Log Management (2nd), IT Operations Analytics (1st)
 

Mindshare comparison

As of April 2025, in the Security Information and Event Management (SIEM) category, the mindshare of Graylog Security is 0.6%, up from 0.2% compared to the previous year. The mindshare of Splunk Enterprise Security is 9.5%, down from 12.8% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Security Information and Event Management (SIEM)
 

Featured Reviews

Tony Zafiropoulos - PeerSpot reviewer
Aggregates logs in one place and helps to review data points
We tried Graylog Security, starting with their inexpensive open-source version. We tested it out and continued using it for a while. As for the main differences between Graylog Security and other vendors, some users might prefer cloud-based platforms over on-premises solutions. It isn't inherently cloud-native, but that might not matter much for some.
ROBERT-CHRISTIAN - PeerSpot reviewer
Has many predefined correlation rules and is brilliant for investigation and log analysis
It is very complicated to write your own correlation rules without the help of Splunk support. What Splunk could do better is to create an API to the standard SIEM tools, such as Microsoft Sentinel. The idea would be to make it less painful. In ELK Stack, Kibana is the query language with which you can search log files. I believe Splunk has also a query language in which they search their log files, but once you have identified the log file that you want to use for further security correlation, you want to very quickly transport that into your SIEM tool, such as Microsoft Sentinel. That is something that Splunk could make a little bit less painful because it is a lot of effort to find that log file and forward it. An API with Microsoft Sentinel or a similar SIEM tool would be a good idea.

Quotes from Members

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

Pros

"We use the solution to collect logs."
"The tool aggregates logs. We can see the logs in one place."
"The varied prebuilt feature is the most valuable because it ensures that we have complete coverage over all of the key questions."
"The two features I appreciate most in Splunk Enterprise Security are the content management system and the inter-incident review dashboard."
"We can easily configure things as required in relation to our use cases."
"Its integration is most valuable. Its UI is also pretty much easy."
"The flexibility of the search capability is most valuable. You can use it for more than just a basic log aggregator. It is powerful in that regard."
"There are lots of free learning materials on their website."
"The solution has proven to be quite stable."
"The risk-based alerting is excellent."
 

Cons

"Graylog Security needs to incorporate security scorecards."
"On-premises scaling of the solution is a bit more limited than it is on the cloud."
"At Splunk .conf24, I saw a demo for Splunk Enterprise Security 8. All the things that they have done in Splunk Enterprise Security 8 are what it can be better at."
"Splunk Enterprise Security can be improved by including backup network detection and response and safe management to the paid platform."
"The threat detection system has room for improvement."
"An improved user interface along with multi-tenancy support would be beneficial."
"The solution could improve by increasing the performance. We have run into problems when large amounts of data are processed."
"Its performance can be better. Sometimes, it takes longer when we do queries."
"Splunk Enterprise Security is complicated in terms of developing specific cybersecurity use cases."
 

Pricing and Cost Advice

"I rate the tool's pricing a one out of ten."
"In addition to the licensing fee, there is also a support and maintenance charge."
"The Splunk Enterprise Security license is expensive."
"Splunk is costly but it’s worth it due to the high-end features."
"Free Splunk license for PoCs on personal machines and the ability to scale the PoC to an enterprise level app."
"The pricing of Splunk Enterprise Security is high."
"The pricing depends on the bandwidth of an organization and is good compared to some SIEM tools. IBM, for example, is quite costly. But Microsoft Sentinel is notably cheaper."
"We have seen ROI and improvements as we have continued to use the product, but they are more reactive."
"Splunk ES is quite expensive compared to some products on the market."
report
Use our free recommendation engine to learn which Security Information and Event Management (SIEM) solutions are best for your needs.
848,396 professionals have used our research since 2012.
 

Comparison Review

VS
Feb 26, 2015
HP ArcSight vs. IBM QRadar vs. ​McAfee Nitro vs. Splunk vs. RSA Security vs. LogRhythm
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
24%
Educational Organization
8%
University
6%
Energy/Utilities Company
6%
Financial Services Firm
15%
Computer Software Company
14%
Manufacturing Company
8%
Government
8%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
No data available
 

Questions from the Community

What do you like most about Graylog Security?
The tool aggregates logs. We can see the logs in one place.
What needs improvement with Graylog Security?
Graylog Security needs to incorporate security scorecards.
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

Information Not Available
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 Graylog Security vs. Splunk Enterprise Security and other solutions. Updated: April 2025.
848,396 professionals have used our research since 2012.