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Fortinet FortiAnalyzer vs Graylog Enterprise comparison

 

Comparison Buyer's Guide

Executive SummaryUpdated on Sep 8, 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 FortiAnalyzer
Ranking in Log Management
10th
Average Rating
8.0
Reviews Sentiment
7.3
Number of Reviews
106
Ranking in other categories
No ranking in other categories
Graylog Enterprise
Ranking in Log Management
15th
Average Rating
8.0
Reviews Sentiment
7.2
Number of Reviews
21
Ranking in other categories
No ranking in other categories
 

Mindshare comparison

As of October 2025, in the Log Management category, the mindshare of Fortinet FortiAnalyzer is 1.8%, down from 2.3% compared to the previous year. The mindshare of Graylog Enterprise is 6.0%, up from 6.1% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Log Management Market Share Distribution
ProductMarket Share (%)
Fortinet FortiAnalyzer1.8%
Graylog Enterprise6.0%
Other92.2%
Log Management
 

Featured Reviews

Manikandan Kannan - PeerSpot reviewer
Simplifying log management by displaying detailed access information
The most valuable feature of Fortinet FortiAnalyzer is its ability to simplify and display logs clearly, providing details like which IPs are accessing the system, the destination, and the policies applied. This visualization and detail make managing logs more straightforward. In conjunction with our VMware setup, Fortinet FortiAnalyzer enhances organizational efficiency, meeting the standard log retention period for up to a year.
Ivan Kokalovic - PeerSpot reviewer
Facilitates backend service monitoring with efficient log retrieval and API flexibility
Graylog is valuable because it bridges technical knowledge to non-technical teams, presenting complex backend processes in a simple timeline. It boosts the knowledge of sales and customer support teams by allowing them to see the backend operations without needing to read the code. Its API is flexible for visualization, and its powerful search engine efficiently handles large volumes of log data. Moreover, its stability, fast search capabilities, and compatibility with languages like ANSI SQL enhance its utility in IT infrastructure.

Quotes from Members

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

Pros

"The initial setup is straightforward."
"The reporting and organizing part of Fortinet FortiAnalyzer is very interactive, smooth, and easy to use."
"The most valuable feature of the solution is reporting."
"Our use case for Fortinet FortiAnalyzer is analyzing traffic. We use it to investigate complaints about account access, check if something is blocked or working, and understand what's happening inside them."
"It's a very stable product."
"The scalability of Fortinet FortiAnalyzer is excellent at a rating of ten out of ten."
"I completely recommend Fortinet FortiAnalyzer to others."
"Overall we are satisfied with all the features the solution provides."
"This had increased productivity for the dev and support teams, because we are directly notifying them."
"The Graylog features that have proven to be most beneficial for our data analysis in particular are that we tend to use it as a big data store, so we have the correlation rules that, if something matches under certain conditions, it raises an alarm."
"UDP is a fast and lightweight protocol, perfect for sending large volumes of logs with minimal overhead."
"Real-time UDP/GELF logging and full text-based searching."
"Message forwarding through the in-built module."
"The product is scalable. The solution is stable."
"We have scaled from a single machine installation (a VM with a Graylog + ES + MongoDB) to (2 Graylog + 2 ES + 3 MongoDB). This was done smoothly with a minimal impact on logging."
"Allowing us to set up alerts and integrate with platforms we already use, such as Slack and OpsGenie to alert users of these errors proactively, is also a very useful feature."
 

Cons

"I think some improvement is required in real-time log monitoring, as sometimes it gets stuck or displays results after a delay."
"When it comes to pushing logs to a SIEM, most of the time we have some issues when it comes to filtering."
"Fortinet FortiAnalyzer should come bundled with other Fortinet solutions. Additionally, the performance and updates could improve. They need to test their updates better so there are not as many bugs."
"Pricing should be about 10-20% lower."
"Our organization wants the solution to be able to provide us access to a centralized dashboard that displays a log view for all firewalls under Fortinet FortiAnalyzer."
"When somebody is new to the system they find it difficult to perform certain operations, like backups, and to see where the reports are."
"The UI needs to be improved in future updates."
"The solution should include the ability to customize reports so that customers receive greater value and high level reporting."
"We ran into problems with Elasticsearch throwing a circuit-breaking exception due to field data size being too large. It turned out that the heap size directly impacted this size in a high-throughput environment, causing unexplained instability in Graylog. We were able to troubleshoot on the Elasticsearch size, but we should have been able to reference some minimum requirements for Graylog to know that our settings weren't sufficient."
"Its scalability gets complicated when we have to update or edit multiple nodes."
"When it comes to configuring the processing pipeline, writing the rules can be very tedious, especially since the documentation isn't extensive on how the functions provided for these rules work."
"There should be some user groups and an auto sign-in feature.​"
"More customization is always useful."
"Graylog needs to improve their authentication. Also, the fact that Graylog displays logs from the top down is just ridiculous."
"Graylog can improve the index rotation as it's quite a complex solution."
"When it comes to configuring the processing pipeline, writing the rules can be very tedious, especially since the documentation isn't extensive on how the functions provided for these rules work."
 

Pricing and Cost Advice

"Its worth spending on FortiAnalyzer if you have multiple firewalls in your network."
"In other countries, the product may seem cheap, but in Vietnam, the costs are high."
"There is a license needed to use this solution."
"All Fortinet programs come at a good price."
"I rate FortiAnalyzer six out of 10 for affordability. FortiAnalyzer pricing isn't steady. It changes each quarter or year. That's one of the main problems in West Abaco because most businesses here are small or medium-sized enterprises. It makes budgeting complicated. You always want to pay the same price on the subscription."
"It is expensive for small business customers. It is only available for customers with a high number of firewalls to manage or to report. If a customer has only five boxes of FortiGate, the price of FortiAnalyzer can be more than the five boxes. So, we can't easily put this solution for small business customers."
"The price is quite expensive. Fortinet products are very expensive. That is something which they should also look at, because if you compare Fortinet product to, say, Sophos for example, Fortinet is really high and that's the only thing which is a drawback for most users."
"I would rate the price of FortiAnalyzer as seven out of ten, with ten being the most expensive."
"I use the free version of Graylog."
"​You get a lot out-of-the-box with the non-enterprise version, so give it a try first."
"If you want something that works and do not have the money for Splunk or QRadar, take Graylog.​​"
"We're using the Community edition."
"I am using a community edition. I have not looked at the enterprise offering from Graylog."
"Having paid official support is wise for projects."
"It's an open-source solution that can be used free of charge."
"Graylog is a free open-source solution. The free version has a capacity limitation of 2 GB daily, if you want to go above this you have to purchase a license."
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Top Industries

By visitors reading reviews
Computer Software Company
14%
Manufacturing Company
8%
Government
7%
Financial Services Firm
6%
Computer Software Company
16%
Comms Service Provider
10%
University
8%
Educational Organization
8%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business57
Midsize Enterprise20
Large Enterprise31
By reviewers
Company SizeCount
Small Business8
Midsize Enterprise4
Large Enterprise7
 

Questions from the Community

What do you like most about Fortinet FortiAnalyzer?
The reporting features, which offer customization, real-time insights, and compliance support, are particularly noteworthy aspects.
What is your experience regarding pricing and costs for Fortinet FortiAnalyzer?
I have experience with pricing, licensing, and setup costs as I prepare quotes for clients. While Fortinet FortiAnalyzer might be more expensive than some other solutions, it remains very competiti...
What needs improvement with Fortinet FortiAnalyzer?
When I had contact with FortiManager and Fortinet FortiAnalyzer, it was not so easy, but with some reading or training on the platform, it becomes easy to use.
What do you like most about Graylog?
The product is scalable. The solution is stable.
What is your experience regarding pricing and costs for Graylog?
I am not familiar with the pricing details of Graylog, as I was not responsible for that aspect. It was determined that we didn't need an enterprise plan, which is more suited for clients with less...
What needs improvement with Graylog?
An improvement I would suggest is in Graylog's user interface, such as allowing for font size adjustments. A potential enhancement could be the integration with Ollama to run large language models ...
 

Also Known As

No data available
Graylog2
 

Overview

 

Sample Customers

General Directorate of Information Technology
Blue Cross Blue Shield, eBay, Cisco, LinkedIn, SAP, King.com, Twilio, Deutsche Presse-Agentur
Find out what your peers are saying about Fortinet FortiAnalyzer vs. Graylog Enterprise and other solutions. Updated: September 2025.
872,029 professionals have used our research since 2012.