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Pandora FMS vs Security Onion comparison

 

Comparison Buyer's Guide

Executive SummaryUpdated on Oct 9, 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

Pandora FMS
Ranking in Log Management
37th
Average Rating
9.2
Reviews Sentiment
7.6
Number of Reviews
22
Ranking in other categories
Network Monitoring Software (42nd), Server Monitoring (17th), IT Infrastructure Monitoring (42nd), Cloud Monitoring Software (28th)
Security Onion
Ranking in Log Management
20th
Average Rating
7.6
Reviews Sentiment
5.5
Number of Reviews
3
Ranking in other categories
AWS Marketplace (11th)
 

Mindshare comparison

As of June 2025, in the Log Management category, the mindshare of Pandora FMS is 0.2%, up from 0.1% compared to the previous year. The mindshare of Security Onion is 5.3%, up from 4.0% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Log Management
 

Featured Reviews

Gabriel Glusgold - PeerSpot reviewer
Personalized metrics; simplicity of data
My primary use case for Pandora is monitoring This solution has helped us improve our organization by allowing us to create a lot of metrics on several platforms, including Windows, Linux, and Unix. We then use these Pandora metrics to create an interface. We then pass the interface off to the…
Jörg Kippe - PeerSpot reviewer
A mature and affordable solution that is easy to install and easy to update
The product takes time to learn, it's not that easy. In the beginning we had a lot of questions. If you want to use such a tool in an real (industrial) environment, you have to ask how to get the network data. Can we do a full packet capture? Can we provide agents to our end systems? There are no simple solutions to these questions. It's a general problem when running such systems in an industrial environment.

Quotes from Members

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

Pros

"Pandora FMS provides us with a general report (graphical) about all of the connected devices, which helps with planning new stations and tracking them."
"The network monitoring and configuration within this solution is very good."
"Thanks to its flexibility, I have been able to adapt the tool to our servers and find out quickly how their console works."
"The monitoring system within this solution is very good. It is easy to use and navigate, and makes issue alarms easily viewable."
"It is easy to create your own custom modules if you just know a little bit of scripting. If you have unique requirements, you can just make your own modules. You can even grab checks from other vendors. There are open-source checks for various things such as SMTP, etc. There is a long list of different ones from Nagios. You can just use them, and within seconds, you get yourself a check that is monitoring whatever you need. It is really flexible. I guess that's why they call it Pandora Flexible Monitoring System (FMS). It is reliable. It does the job, and it alerts. It is also surprisingly feature-rich. Our network guy just recently asked about a particular protocol to monitor the bandwidth on the network, which is not a common protocol. When I looked it up, and I found that they cover it. It is very mature for a not-so-known product."
"This product has allowed us to identify and correct certain issues that were affecting our solution."
"It provides us with proactive monitoring and is very easy to configure and maintain."
"Thanks to this software and to the work of the support team, we have everything under control."
"We use Security Onion for internal vulnerability assessment."
"The most valuable feature of Security Onion for security monitoring is its ability to find infected ports."
"Security Onion is the most mature solution in the market."
 

Cons

"The price for Pandora FMS is expensive."
"I sincerely believe that Pandora needs new ideas for functionality closer to advanced device security monitoring."
"Pandora could deliver better analytics out of the box. You can work around these limitations with the help of other tools like Grafana. The shortcomings are mostly on the graphical side. The built-in report generators are a bit limited in some areas."
"In the future, we may have double the number of devices, and we do not want to have any issues with performance in the data display."
"I think some improvements to the Android app would be good."
"Pandora FMS is relatively new, and the interface with the older version crashes at times. We have several different operating systems, such as Linux and Windows, and Pandora does not run as well in these."
"An update to the Android app would be appreciated."
"I would like for the solution to be faster and have a better tolerance between parallel servers for Pandora and Pest Control."
"Security Onion's user interface could be improved."
"The initial setup of the solution is a little bit difficult."
"The product is not easy to learn."
 

Pricing and Cost Advice

"In terms of money, the Enterprise version is the cheapest that I have found after a market study."
"They are very competitive on the pricing side. That's one reason why my manager keeps using it."
"Pandora FMS is easy to implement and the pricing of licenses is competitive."
"My rule of thumb would be that if you need more than thirty agents, and you lack an automation tool such as Chef or Puppet, you will save a lot of time and money going to the Enterprise edition."
"Growing the solution or migrating to the Enterprise version is easy, and various plans are available."
"Only one payment and it includes support, updates, new versions, and access to the complete library of plugins except for SAP and z/OS."
"The Open Source Community Edition is great to just explore the software, or use it on medium-sized infrastructures."
"The open-source version offers 100% functionality and the hardware requirements for a solution like this one are very modest."
"Security Onion is a free solution."
"Security Onion is an open-source solution."
"It is an open-source solution."
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Top Industries

By visitors reading reviews
Computer Software Company
11%
Financial Services Firm
9%
Government
9%
Media Company
9%
Computer Software Company
11%
University
11%
Government
11%
Comms Service Provider
11%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
No data available
 

Questions from the Community

Ask a question
Earn 20 points
What do you like most about Security Onion?
The most valuable feature of Security Onion for security monitoring is its ability to find infected ports.
What is your experience regarding pricing and costs for Security Onion?
Security Onion is an open-source solution. On a scale from one to ten, where ten is expensive and one is cheap, I rate the solution's pricing a six out of ten.
What needs improvement with Security Onion?
The initial setup of the solution is a little bit difficult.
 

Comparisons

 

Overview

 

Sample Customers

Rakuten, Prosegur, Repsol, Teléfonica, Allianz, Ottawa Hospital, Hughes
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Find out what your peers are saying about Pandora FMS vs. Security Onion and other solutions. Updated: June 2025.
856,807 professionals have used our research since 2012.