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Fortinet FortiSIEM vs Splunk Enterprise Security comparison

 

Comparison Buyer's Guide

Executive SummaryUpdated on Jan 5, 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)
8th
Average Rating
7.6
Reviews Sentiment
6.7
Number of Reviews
73
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
303
Ranking in other categories
Log Management (1st), IT Operations Analytics (1st)
 

Mindshare comparison

As of January 2025, in the Security Information and Event Management (SIEM) category, the mindshare of Fortinet FortiSIEM is 3.3%, up from 3.3% compared to the previous year. The mindshare of Splunk Enterprise Security is 10.8%, down from 14.6% 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

"FortiSIEM's log correlation is good."
"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 most valuable feature of Fortinet FortiSIEM is the user and entity behave as analytics(UEBA). This feature mixes your data and provides useful information based on the behavior of the targeted."
"It's easy to manage. There's a web interface and a command line, depending on what the user is comfortable with. There's a large knowledge base available, and the support is timely."
"Easy alert setup which enables different alerts in different categories."
"It is used as an alerting platform."
"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."
"Technical support is helpful."
"The varied prebuilt feature is the most valuable because it ensures that we have complete coverage over all of the key questions."
"We primarily use it to correlate logs throughout the enterprise for both searching and use in investigations."
"This is a straightforward solution, easy to configure."
"Splunk gives my clients the ability to bring multiple, disparate types of data together, then correlate and report on them."
"The end-to-end visibility into our environment that Splunk provides is impressive. We just need to use it better."
"Splunk setup is easy and straightforward. ​"
"The breadth of the data sources that Splunk can ingest data from is broad and deep and it does an exemplary job at handling structured data."
"The ability to ingest different log types from many different products in our environment is most valuable."
 

Cons

"The nodes on our network did not comply with the SIEM solution. They use a different format parking log."
"They need to integrate better with Cisco and Palo Alto."
"It's difficult to integrate unsupported devices with FortiSIEM compared to QRadar. It's easier to integrate and develop processes in QRadar. It's harder to develop a custom process in FortiSIEM."
"When an alert triggers in Fortinet FortiSIEM, the layout or format can feel limited"
"The performance can be improved. Sometimes it takes a long time to fetch data."
"Their technical support is horrible. By horrible, I mean a train wreck of a disaster that has fallen off a bridge and caught fire."
"The UI could improve in Fortinet FortiSIEM. Humans view the UI frequently for data and if it was more visually pleasing it would be beneficial."
"FortiSIEM is not a market leader in the SIEM space."
"It can be tough to get a hold of somebody in technical support depending on the complexity of the issue."
"On-premises scaling of the solution is a bit more limited than it is on the cloud."
"It is a good product, but the Achilles heel for a lot of organizations is the cost model for it because it gets expensive. That's because the model is based on how much data it processes a day, which can be prohibitive, especially if you have a lot of data. A lot of customers may not be ready for the sticker shock on how to fully leverage the product. I realized that the reason for that is that when it was originally designed, it was kind of like a big data modeling application. If they want to have a bigger customer base, they can come out with subsets of their product that are focused on specific things and have different pricing models. It may help with the cost."
"The glass table feature does not perform as expected."
"Professional support is great, but too expensive."
"In terms of training. I find that some things about Splunk aren't well-explained. I see features and then go to the website but don't find good explanations."
"The GUI can be improved to include some of the capabilities that other BI solutions have."
"The licensing price is high and has room for improvement."
 

Pricing and Cost Advice

"We bought the perpetual license, so we own the product, but there is a three-year support renewal fee for that."
"Pricing is determined based on the customer's budget."
"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 the solution is expensive. The license is scalable. If there are 10 devices it is simple to license."
"Fortinet FortiSIEM is very cost-efficient compared to other SIEM solutions."
"Manageable, however would be better as pay as you go versus CapEX."
"Fortinet's products are not expensive, it is less than the competition."
"They have a yearly subscription."
"The price of Splunk Enterprise Security is reasonable, falling somewhere in the middle range."
"While some clients find the cost of Splunk Enterprise Security to be on the higher end, its pricing is comparable to other SIEM solutions."
"The licensing is good, but the pricing absolutely needs some work. It is very high."
"Its pricing model can be improved."
"Splunk is costly but it’s worth it due to the high-end features."
"My customers have found the price of the solution to be high."
"Splunk Enterprise Security's pricing is pretty competitive."
"The price is comparable."
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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
17%
Financial Services Firm
9%
Government
7%
Manufacturing Company
7%
Financial Services Firm
15%
Computer Software Company
14%
Manufacturing Company
9%
Government
9%
 

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?
As a service, the cost is reasonable and affordable with scalable pricing based on the number of monitored devices. However, setting it up for oneself as an enterprise-licensed product can be quite...
What needs improvement with Fortinet FortiSIEM?
The built-in APIs in Fortinet FortiSIEM are somewhat lacking and could be improved for better integration with external ITSM products. Improving software stability and reducing bugs will make it a ...
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
 

Learn More

 

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: January 2025.
831,158 professionals have used our research since 2012.