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Fortinet FortiSIEM 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

Fortinet FortiSIEM
Ranking in Security Information and Event Management (SIEM)
7th
Average Rating
7.6
Reviews Sentiment
6.5
Number of Reviews
74
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
308
Ranking in other categories
Log Management (2nd), IT Operations Analytics (1st)
 

Mindshare comparison

As of May 2025, in the Security Information and Event Management (SIEM) category, the mindshare of Fortinet FortiSIEM is 3.3%, up from 3.0% compared to the previous year. The mindshare of Splunk Enterprise Security is 9.5%, down from 12.6% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Security Information and Event Management (SIEM)
 

Featured Reviews

Oliver Jackson - PeerSpot reviewer
Systems monitoring enhanced by firewall and intrusion detection features
My primary use case for Fortinet FortiSIEM is systems monitoring and alerting. I use it for standard functions like log monitoring, incident detection, and notification.  My customers are mostly medium-sized enterprises ranging from engineering companies, mining companies, independent schools, and…
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

"Technical support is helpful."
"To add workers and even collectors is pretty easy."
"We have many application systems, and I can set up Fortinet FortiSIEM for users to monitor their systems."
"The most valuable features for us are the built-in reports and alerts, along with the extreme flexibility in reporting and rule generation."
"FortiSIEM sends an email or SMS notifications to admins when there are significant incidents. It's a highly efficient way of responding to incidents."
"The product is quite well-organized. The GUI makes it easy to navigate."
"The most valuable feature is the ability to view all the network events on a single pane and find the point of contact or point of the incident."
"The solution is very stable. It's run for years without the need to do anything except, add new patches when they are available, which are always a good idea to install."
"It is easy to use in any environment."
"The tool drastically reduces SOC overhead. Its integration with our tool suite is great and helps us correlate events. The solution is also a lot faster than our standalone instances."
"We are much faster finding and addressing issues with Splunk."
"I like the search feature and the indexing. It's very fast and comprehensive."
"Scalability-wise, the tool is awesome since you can add or reduce your resources in an easy way."
"I really like the user interface and how it works."
"Splunk Enterprise Security quickly gives us a view of an endpoint or a user or identity. If I want to look for an identity or an asset, I just quickly go into Splunk Enterprise Security. I know where to go and get a quick analysis for a respective object."
"The logs on the solution are excellent."
 

Cons

"The log collection and configuration management are not great."
"Its training can be improved. Its price also needs to be improved."
"Our team tried configuring MS SQL database logs with Fortinet FortiSIEM, but it did not work for some time."
"The product does not have Security Orchestration and Automation Response, I would recommend adding this feature."
"When our team tried configuring logs for Microsoft SQL, it did not work."
"The process of installing Fortinet FortiSIEM and the customization of the alerts take too long."
"Not very good on non-API features, lacks that functionality."
"An improvement would be if FortiSIEM's licensing was based on the number of nodes rather than the EPS."
"When we do a rollout from the server or host or anything, we'd like to see more automation. It would save us time."
"You can run a script from an event, but it needs many clicks to run that integration, which could be made easier."
"Splunk Enterprise Security would benefit from a more robust rule engine to reduce false positives."
"When files are absent, troubleshooting becomes difficult, and performance issues inevitably arise."
"There is a learning curve in order to start using machine learning. We have been trying to do it for three years, and we have not managed anything. It is too complex."
"The security can be improved."
"We had an instance when Splunk failed and it took us a couple of days to recover."
"Licensing costs can be a barrier for those with limited budgets."
 

Pricing and Cost Advice

"The price is competitive."
"There is a need to make yearly payments towards the licensing charges attached to the product. The free version license of the product is available for two months."
"The price of Fortinet FortiSIEM was reasonable compared to other solutions."
"The tool is really expensive. For what the tool does for our team, the price is fair."
"The price of Fortinet FortiSIEM is a lot less when compared to other solutions."
"We pay for a license for FortiSIEM. We pay for the license and renewal."
"Fortinet's products are not expensive, it is less than the competition."
"Manageable, however would be better as pay as you go versus CapEX."
"We have an unlimited one, and we pay yearly, but I don't know how much it costs. Previously, I worked for a startup, and when they started building it up, it was complicated for them because they didn't have the budget for that many licenses. It was very costly for them. So, startups might find it a little bit problematic because of the licensing, but for bigger companies, there is no issue."
"Some of the insights that we have obtained as a part of using Splunk have greatly helped us in increasing our revenue in terms of selling our products."
"This solution is costly. Splunk is obviously a great product, but you should only choose this product if you need all the features provided. Otherwise, if you don't need all the features to meet your requirements, there are probably other products that will be more cost-effective. It's cost versus the functionality requirement."
"Splunk is not free."
"It's definitely worth it."
"I have no opinion on pricing."
"Splunk is definitely not a cheap solution. It is an expensive product."
"The pricing of Splunk Enterprise Security is high."
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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
16%
Financial Services Firm
10%
Government
7%
Comms Service Provider
6%
Financial Services Firm
15%
Computer Software Company
14%
Manufacturing Company
8%
Government
8%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
 

Questions from the Community

What do you like most about Fortinet FortiSIEM?
Fortinet FortiSIEM needs to provide better API integrations to users.
What is your experience regarding pricing and costs for Fortinet FortiSIEM?
The pricing is reasonable, which is why it is preferred by government customers. Windows agent licenses cost around 3,000 Rupees per device per year.
What needs improvement with Fortinet FortiSIEM?
Fortinet FortiSIEM should broaden its remediation part to include more features for incident management. Currently, to manage repetitive incidents or for remediation, I need to use a separate softw...
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...
 

Also Known As

FortiSIEM, AccelOps
No data available
 

Overview

 

Sample Customers

FortiSIEM has hundreds of customers worldwide in markets including managed services, technology, financial services, healthcare, and government. Customers include Aruba Networks, Compushare, Port of San Diego, Cleveland Indians, Infoblox, Healthways, and Referentia.
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 Fortinet FortiSIEM vs. Splunk Enterprise Security and other solutions. Updated: April 2025.
851,604 professionals have used our research since 2012.