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NetCrunch vs Security Onion comparison

Why PeerSpot?
 

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
52nd
Average Rating
8.0
Number of Reviews
3
Ranking in other categories
Network Monitoring Software (73rd), Server Monitoring (27th), IT Infrastructure Monitoring (60th)
Security Onion
Ranking in Log Management
22nd
Average Rating
7.8
Reviews Sentiment
7.2
Number of Reviews
4
Ranking in other categories
No ranking in other categories
 

Mindshare comparison

As of September 2026, in the Log Management category, the mindshare of NetCrunch is 0.9%, up from 0.1% compared to the previous year. The mindshare of Security Onion is 1.7%, down from 4.6% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Log Management Mindshare Distribution
ProductMindshare (%)
Security Onion1.7%
NetCrunch0.9%
Other97.4%
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.
Hiten Nandasana - PeerSpot reviewer
Angular developer at Flourish software
Centralized monitoring has strengthened threat detection and supports faster incident investigations
Security Onion is a completely open-source and free platform, making it a cost-effective solution that works smoothly and effectively for our organization. Security Onion integrates well with our existing tools, primarily using Linux systems in our organization, allowing us to monitor logs and manage threat detection and operations in the public cloud effectively. Security Onion is very helpful in meeting compliance requirements and supports regular standards for our environment. I advise organizations that use Linux or have network security knowledge to consider Security Onion, as it satisfies requirements such as threat detection and log management systems. I would rate this review eight out of ten.

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 the most mature solution in the market."
"Security Onion is a completely open-source and free platform, making it a cost-effective solution that works smoothly and effectively for our organization."
"The most valuable feature of Security Onion for security monitoring is its ability to find infected ports."
"We use Security Onion for internal vulnerability assessment."
 

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 initial setup of the solution is a little bit difficult."
"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's user interface could be improved."
"The product is not easy to learn."
 

Pricing and Cost Advice

Information not available
"It is an open-source solution."
"Security Onion 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
15%
Manufacturing Company
10%
Financial Services Firm
6%
Comms Service Provider
12%
University
12%
Government
10%
Construction Company
7%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
No data available
No data available
 

Questions from the Community

Ask a question
Earn 20 points
What is your experience regarding pricing and costs for Security Onion?
Security Onion does not require any cost, as it is open-source and free.
What needs improvement with Security Onion?
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. I assigned a rating of eight out of ten because...
What advice do you have for others considering Security Onion?
Security Onion is a completely open-source and free platform, making it a cost-effective solution that works smoothly and effectively for our organization. Security Onion integrates well with our e...
 

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.
913,806 professionals have used our research since 2012.