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Fortinet FortiSIEM vs Gigamon Deep Observability Pipeline comparison

 

Comparison Buyer's Guide

Executive SummaryUpdated on Sep 18, 2024

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
Gigamon Deep Observability ...
Ranking in Security Information and Event Management (SIEM)
26th
Average Rating
8.6
Reviews Sentiment
7.2
Number of Reviews
8
Ranking in other categories
Application Performance Monitoring (APM) and Observability (23rd), Event Monitoring (9th), Data Loss Prevention (DLP) (16th), Web Application Firewall (WAF) (19th), Advanced Threat Protection (ATP) (21st), Network Packet Broker (NPB) (1st), Network Detection and Response (NDR) (11th)
 

Mindshare comparison

As of April 2025, in the Security Information and Event Management (SIEM) category, the mindshare of Fortinet FortiSIEM is 3.1%, up from 3.0% compared to the previous year. The mindshare of Gigamon Deep Observability Pipeline is 0.1%, up from 0.0% 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…
LeonardoAlves - PeerSpot reviewer
Improved the capability to analyze the environment and network problems with easy setup
It improved the capability to analyze the environment and network problems. It also helped streamline your security and performance monitoring The application I use is a script. My environment is a mix of technologies. I have many passionate people in my network who are on a journey in…

Quotes from Members

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

Pros

"Fortinet FortiSIEM is less costly than other products and is available 24/7."
"It works well with medium to large-scale enterprises."
"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."
"The most valuable feature is the dashboard. CMDB database collects data from a lot of pre-configured devices."
"I like FortiSIEM because it integrates natively with our other Fortinet solutions and the Fortinet Fabric, but it also integrates with Cisco, Palo Alto and other security fabrics."
"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."
"Its automated response feature has benefited our customer communication. Analysts feel more confident in providing timely responses."
"The product's initial setup phase was easy."
"The solution is straightforward to set up."
"It is a good product. It provides network visibility, which is important. Gigamon can bring some optimizations to my network. It is helpful for security inspection, and it makes my firewall work fast because my firewall doesn't have to do the inspection of the SSL connections, for example."
"The most valuable feature for improving network visibility with Gigamon is the packet filtering capability."
"The tool's most valuable feature is the encryption feature. From a security perspective, the solution hasn't significantly strengthened our security posture. However, it has greatly improved performance by streamlining encryption processes and avoiding encryption at multiple layers. This has also simplified troubleshooting, as we can whitelist certain processes."
"The most valuable feature is NetFlow."
"It offers straightforward integration."
"It has high stability."
 

Cons

"When compared with some competitors, in terms of performance, the CPU and RAM requirements and the capability of coordination with development all need some improvement."
"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."
"They need to integrate better with Cisco and Palo Alto."
"Its training can be improved. Its price also needs to be improved."
"The solution needs to do a better job with third party integration. Right now, that's lacking on the solution. I specifically am talking about the AWS environment. Most of the AWS environment products do not have that capability to integrate."
"We need to see incident reports about the event log, without events from the administrator or through human interaction."
"Not very good on non-API features, lacks that functionality."
"The reporting feature is not very attractive for the upper management and I am not able to perform complex/nested queries."
"In terms of improvement, while the initial setup is not overly complicated, we did encounter a few issues."
"The graphical user interface could be improved."
"The security should be improved."
"It only inspects a specific kind of traffic. There should be different kinds of use cases."
"Its filtering feature needs improvement."
"The Gigamon Deep Observability Pipeline should have a feature showing the traffic flow within its platform. Currently, customers have to use separate tools for monitoring, which is inconvenient. If it had its visibility feature, it would make monitoring easier and more complete without needing extra tools."
"They should increase the solution's cluster capacity."
 

Pricing and Cost Advice

"Pricing is acceptable for more than 90% of our customers, as they normally get discounts."
"Please be cheaper and more simplified."
"Fortinet FortiSIEM is cheaper compared to other products."
"This is probably more on the lower cost end of the spectrum compared to competing products. Fortinet's license model is based on events per second, which makes sense, but that's not typical. It makes it very hard to calculate what your costs are going to be as you scale the platform because some log sources, such as firewall logs, are very noisy, and there are lots and lots of events per second, but some of them are not. So, it becomes a bit of a science experiment trying to guess what your costs are going to be as you scale the solution. This is where other competing products perhaps have a more straightforward license model."
"The price of Fortinet FortiSIEM was reasonable compared to other solutions."
"Pricing is determined based on the customer's budget."
"Fortinet's products are not expensive, it is less than the competition."
"The price of Fortinet FortiSIEM is a lot less when compared to other solutions."
"I would rate the solution as expensive, around an eight or nine out of ten. There are other competitive solutions available."
"The solution's price is reasonable."
"The solution is highly-priced."
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Top Industries

By visitors reading reviews
Computer Software Company
16%
Financial Services Firm
9%
Government
7%
Comms Service Provider
7%
Financial Services Firm
17%
Computer Software Company
14%
Manufacturing Company
8%
University
6%
 

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 do you like most about Gigamon Deep Observability Pipeline?
The most valuable feature for improving network visibility with Gigamon is the packet filtering capability.
What needs improvement with Gigamon Deep Observability Pipeline?
The challenge is monitoring the cloud network. In on-premises environments, monitoring is straightforward, as I can verify all packets and communications. However, due to the way access tools and p...
What is your primary use case for Gigamon Deep Observability Pipeline?
It improved the capability to analyze the environment and network problems. It also helped streamline your security and performance monitoring.
 

Also Known As

FortiSIEM, AccelOps
Gigamon, GigaSecure
 

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.
Amica Insurance, College of William & Mary, Gamma, IntercontinentalExchange, OppenheimerFunds
Find out what your peers are saying about Fortinet FortiSIEM vs. Gigamon Deep Observability Pipeline and other solutions. Updated: March 2025.
844,944 professionals have used our research since 2012.