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Security Onion vs SolarWinds Kiwi Syslog Server 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

Security Onion
Ranking in Log Management
20th
Average Rating
7.6
Reviews Sentiment
5.5
Number of Reviews
3
Ranking in other categories
No ranking in other categories
SolarWinds Kiwi Syslog Server
Ranking in Log Management
25th
Average Rating
8.0
Reviews Sentiment
6.6
Number of Reviews
7
Ranking in other categories
No ranking in other categories
 

Mindshare comparison

As of January 2026, in the Log Management category, the mindshare of Security Onion is 3.7%, down from 5.8% compared to the previous year. The mindshare of SolarWinds Kiwi Syslog Server is 1.5%, down from 1.9% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Log Management Market Share Distribution
ProductMarket Share (%)
Security Onion3.7%
SolarWinds Kiwi Syslog Server1.5%
Other94.8%
Log Management
 

Featured Reviews

Anish Bajracharya - PeerSpot reviewer
Postgraduate at a educational organization with 1,001-5,000 employees
Provides good threat hunting by finding infected ports, but its initial setup is difficult
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.…
SJ
Network Security Engineer at a comms service provider with 51-200 employees
Valuable log segregation aids in auditing, but Windows integration needs enhancement
Our primary use case for Kiwi Syslog is for gathering logs necessary for auditing purposes I appreciate that with Kiwi Syslog, we can segregate the logs based on the display, such as using different colors and fonts, which helps greatly in identifying logs by their severity. This feature is…

Quotes from Members

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

Pros

"We use Security Onion for internal vulnerability assessment."
"Security Onion is the most mature solution in the market."
"The most valuable feature of Security Onion for security monitoring is its ability to find infected ports."
"I appreciate that with Kiwi Syslog, we can segregate the logs based on the display, such as using different colors and fonts, which helps greatly in identifying logs by their severity."
"I appreciate that with Kiwi Syslog, we can segregate the logs based on the display, such as using different colors and fonts, which helps greatly in identifying logs by their severity."
"Simplicity is the most valuable feature."
"Overall, I rate SolarWinds Kiwi Syslog Server ten out of ten."
"The most valuable feature of this solution is the alerting based on the security logs."
"We are very happy with the stability of the solution."
"The most valuable features of SolarWinds Kiwi Syslog Server include its ability to provide network mapping and deliver information to my customers about their networks through various methods."
"The most valuable feature of SolarWinds Kiwi Syslog Server is its performance and management. Additionally, the solution integrates well."
 

Cons

"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."
"Technical support could definitely be better."
"I would like to see better search functions and better filters in the next release."
"The Windows log forwarder is not functioning properly. This is a significant concern, as it led to losing a deal due to the inability to provide Windows logs effectively."
"I would like to see a more user-friendly and customizable dashboard."
"There is a need for an on-premises solution, which could lead to easier sales in larger markets."
"SolarWinds pricing is perceived as very high in the market, which can be a barrier for many customers."
"The Windows log forwarder is not functioning properly."
"I would like to have email notifications for emergency logs."
 

Pricing and Cost Advice

"Security Onion is an open-source solution."
"It is an open-source solution."
"Security Onion is a free solution."
"We subscribe and pay directly on the website."
"The price of SolarWinds Kiwi Syslog Server could improve."
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Top Industries

By visitors reading reviews
University
12%
Government
11%
Comms Service Provider
10%
Computer Software Company
9%
Government
14%
Manufacturing Company
10%
Financial Services Firm
7%
Computer Software Company
6%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
No data available
By reviewers
Company SizeCount
Small Business4
Midsize Enterprise1
Large Enterprise2
 

Questions from the Community

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.
What is your experience regarding pricing and costs for SolarWinds Kiwi Syslog Server?
SolarWinds pricing is perceived as very high in the market, which can be a barrier for many customers.
What needs improvement with SolarWinds Kiwi Syslog Server?
The Windows log forwarder is not functioning properly. This is a significant concern, as it led to losing a deal due to the inability to provide Windows logs effectively. It should be more user-fri...
What is your primary use case for SolarWinds Kiwi Syslog Server?
Our primary use case for Kiwi Syslog is for gathering logs necessary for auditing purposes.
 

Also Known As

No data available
Kiwi Syslog Server
 

Overview

 

Sample Customers

Information Not Available
Holy Cross Energy, West Texas A&M University, Medium Enterprise Industrial Manufacturing Company
Find out what your peers are saying about Security Onion vs. SolarWinds Kiwi Syslog Server and other solutions. Updated: December 2025.
881,114 professionals have used our research since 2012.