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NetCrunch vs Security Onion comparison

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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

NetCrunch
Ranking in Log Management
51st
Average Rating
8.0
Number of Reviews
3
Ranking in other categories
Network Monitoring Software (70th), Server Monitoring (27th), IT Infrastructure Monitoring (62nd)
Security Onion
Ranking in Log Management
11th
Average Rating
8.2
Reviews Sentiment
7.0
Number of Reviews
9
Ranking in other categories
No ranking in other categories
 

Mindshare comparison

As of November 2026, in the Log Management category, the mindshare of NetCrunch is 0.9%, up from 0.2% compared to the previous year. The mindshare of Security Onion is 1.5%, down from 4.4% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Log Management Mindshare Distribution
ProductMindshare (%)
Security Onion1.5%
NetCrunch0.9%
Other97.6%
Log Management
 

Featured Reviews

it_user1038504 - PeerSpot reviewer
Senior Systems Administrator, Technical Lead at Connectivity Wireless
A network monitoring platform with a useful reporting feature, but permission-based options could be better
The initial setup is fairly easy. Most of it's wizard-based. You don't have to be a rocket scientist to set it up. But if you don't know certain things related to protocols and everything else, it might be difficult. If you know how SNMP works, it'll be fairly simple to set up.
CO
Security Operation Center Analyst at a university with 1,001-5,000 employees
Improved threat detection and incident response has revealed training and usability gaps
What I would like to add is that if the interface or if there is less to work on technical knowledge. For example, people with no technical knowledge cannot use this, so they need to have at least a deep or substantial level of technical knowledge to be able to use these tools. If there is a way there can be an optimization to accommodate those with no technical knowledge in the process using tools compared to tools such as Sentinel and Splunk, which also doesn't require much technical knowledge to be able to use. That would also help. I think Security Onion could be improved by making the user interface more intuitive for new users and simplifying the initial setup and configuration process. Security Onion needs to be simplified so that those with less technical knowledge can be able to come in and use it. Guidance on prioritizing alerts will also be helpful, especially in an environment where security analysts deal with a high volume of security events. I also would like to mention that it needs to be more straightforward integration with other security tools. There needs to be a handshake between Security Onion and other same tools to help in endpoint detection and protection against threats. Another improvement that could also enhance is the reporting and visualization of the key metrics such as detection time, the incident, the overall interface of the analysis, and the false rate, which will also give Security Onion a better view for security analysts to be able to use and understand it. I would like to see the interface to be more simplified. I also would like to see the visualization to be more improved. I also would like to see the support features to be something that junior analysts or those coming in to start up their careers can be able to use without needing deep technical knowledge.

Quotes from Members

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

Pros

"Reporting on NetCrunch is pretty good; it's very similar to SolarWinds, just with a different interface, and the majority of everything there was beneficial."
"The setup is very intuitive and quick - it all just took a few minutes we were done."
"Security Onion is a completely open-source and free platform, making it a cost-effective solution that works smoothly and effectively for our organization."
"We use Security Onion for internal vulnerability assessment."
"Security Onion has positively impacted my organization by enabling students to analyze logs, understand network traffic, comprehend intrusion detection, and utilize threat hunting and incident response skills in a practical environment, which are best practices we have implemented with the students."
"Security Onion brings these tools together in one platform, making it easier to investigate security events and understand what's happening across the network."
"Security Onion is the most mature solution in the market."
"Tools such as Suricata and Zeek help identify suspicious network activity and provide detailed information for investigating and analyzing the potential threat which is coming to any organization."
"What I appreciate most about Security Onion is that it combines multiple security monitoring tools into one platform."
"The most valuable feature of Security Onion for security monitoring is its ability to find infected ports."
 

Cons

"Our network is made up of a lot of Cisco devices, and it needs improvements."
"I didn't care for the role-based, permission-based options, which were not the best."
"The product is not easy to learn."
"The initial setup of the solution is a little bit difficult."
"The biggest challenges I have experienced with Security Onion are the learning curve and resource requirements, as it is not necessarily something you can install and immediately understand without networking and Linux knowledge."
"One way Security Onion could improve is by making the initial setup and configuration easier, especially for new users."
"Security Onion can be made easier to set up initially, as it is somewhat difficult at the start, but once configured, it becomes a great tool to use."
"Security Onion also has an enterprise version and support available; sometimes the community version is not capable enough to solve the purpose, so the enterprise edition can help."
"Security Onion's user interface could be improved."
"What I would like to add is that if the interface or if there is less to work on technical knowledge."
 

Pricing and Cost Advice

Information not available
"Security Onion is an open-source solution."
"It is an open-source solution."
"Security Onion is a free solution."
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Top Industries

By visitors reading reviews
Construction Company
22%
Comms Service Provider
17%
Manufacturing Company
10%
Financial Services Firm
7%
Comms Service Provider
12%
University
11%
Government
10%
Construction Company
7%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
No data available
By reviewers
Company SizeCount
Small Business4
Midsize Enterprise1
Large Enterprise8
 

Questions from the Community

Ask a question
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What is your experience regarding pricing and costs for Security Onion?
I have not had a problem with pricing, setup cost, and licensing because my experience with Security Onion's pricing has been positive. Security Onion is open-source, so I was able to use its core ...
What needs improvement with Security Onion?
One way Security Onion could improve is by making the initial setup and configuration easier, especially for new users. When I first started working with it, I experienced challenges configuring ne...
What advice do you have for others considering Security Onion?
I would give Security Onion a rating of 10 out of 10. I have used other platforms, and I can tell that Security Onion provides powerful security monitoring and investigation tools in one platform, ...
 

Comparisons

 

Overview

 

Sample Customers

manufacturing, banking, utilities, energy, universities, healthcare institutions, school districts, military and police entities, non-profit organizations, 
Information Not Available
Find out what your peers are saying about NetCrunch vs. Security Onion and other solutions. Updated: September 2026.
920,769 professionals have used our research since 2012.