Security Onion Reviews

Name: Security Onion
Brand: Security Onion Solutions, LLC
Rating: 3.8 (3 reviews)

3.8 out of 5

3 reviews
66% willing to recommend

What is Security Onion?

Security Onion is an open-source Linux distribution for intrusion detection, network security monitoring, and log management. It offers comprehensive solutions for enterprises seeking to enhance their cybersecurity infrastructure.

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Security Onion is the #4 ranked solution in top AWS Marketplace solutions and #18 ranked solution in Log Management Software. PeerSpot users give Security Onion an average rating of 7.6 out of 10. Security Onion is most commonly compared to Wazuh: Security Onion vs Wazuh. Security Onion is popular among the large enterprise segment, accounting for 53% of users researching this solution on PeerSpot. The top industry researching this solution are professionals from a university, accounting for 12% of all views.

Buyer's Guide

Log Management

April 2025

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Helped 849,963 peers since 2012

Featured Security Onion reviews

Jörg Kippe

Scientist at a educational organization with 10,001+ employees

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.

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Anish Bajracharya

Postgraduate Student at Fanshawe

The most valuable feature of Security Onion for security monitoring is its ability to find infected ports. I have used the Squert tool within Security Onion the most for threat hunting The initial setup of the solution is a little bit difficult. I have been using Security Onion for one year.…

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Derek Maraw

Cyber Security Officer at AFC Holdings

We use Security Onion for internal vulnerability assessment Security Onion's user interface could be improved. The solution's general reporting should be made simple and better-looking in terms of graphics so that we can update our senior management. I have been using Security Onion for four…

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Security Onion mindshare

Product category:

As of May 2025, the mindshare of Security Onion in the Log Management category stands at 5.5%, up from 3.4% compared to the previous year, according to calculations based on PeerSpot user engagement data.

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Key learnings from peers

Valuable Features

"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."
"We use Security Onion for internal vulnerability assessment."

Room for Improvement

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

Pricing

"Security Onion is an open-source solution."
"It is an open-source solution."
"Security Onion is a free solution."

These insights are based on the in-depth reviews provided by peers to help you make a better buying decision.

Download our Log Management Buyer's Guide for additional reliable information.

Top industries

By visitors reading reviews

University

12%

Computer Software Company

11%

Government

11%

Comms Service Provider

11%

Educational Organization

Manufacturing Company

Financial Services Firm

Healthcare Company

Construction Company

Retailer

Hospitality Company

Media Company

Outsourcing Company

Insurance Company

Real Estate/Law Firm

Energy/Utilities Company

Non Profit

Wholesaler/Distributor

Legal Firm

Aerospace/Defense Firm

Consumer Goods Company

Transportation Company

Recreational Facilities/Services Company

Performing Arts

Compare Security Onion with alternative products

Learn more about Security Onion

Security Onion provides a full suite of tools to detect and respond to cybersecurity threats efficiently. As a robust and versatile distribution, it includes capabilities for real-time analysis, network visibility, and threat detection, making it indispensable for security operations centers. Users value this tool for its integration of open-source software with advanced analytics, affording professionals a detailed overview of network traffic and potential intrusions.

What are Security Onion’s most important features?

Intrusion Detection: Utilizes Suricata or Zeek for effective threat monitoring.
Network Security Monitoring: Offers powerful visualization tools for network analysis.
Log Management: Centralizes log collection and analysis.
Comprehensive Dashboards: Provides integrated dashboards for threat visibility.

What benefits or ROI should you look for in reviews?

Cost Efficiency: Reduced cybersecurity costs due to its open-source nature.
Improved Threat Detection: Enhanced ability to identify and respond to threats quickly.
Integration Capability: Seamless integration with existing security infrastructures.
Scalability: Support for scaling network security operations as needed.

Security Onion finds extensive application in industries such as finance, healthcare, and government sectors, where robust network monitoring is critical. Its ability to integrate with existing security tools makes it a preferred choice for organizations looking to strengthen their cybersecurity posture.