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Grafana Loki 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

Grafana Loki
Ranking in Log Management
3rd
Average Rating
8.2
Reviews Sentiment
7.8
Number of Reviews
18
Ranking in other categories
No ranking in other categories
Security Onion
Ranking in Log Management
19th
Average Rating
7.6
Reviews Sentiment
5.5
Number of Reviews
3
Ranking in other categories
No ranking in other categories
 

Mindshare comparison

As of October 2025, in the Log Management category, the mindshare of Grafana Loki is 7.9%, up from 6.5% compared to the previous year. The mindshare of Security Onion is 4.5%, down from 5.4% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Log Management Market Share Distribution
ProductMarket Share (%)
Grafana Loki7.9%
Security Onion4.5%
Other87.6%
Log Management
 

Featured Reviews

Volodymyr Bondarchuk - PeerSpot reviewer
Integrations enhance monitoring but problem-solving proves challenging
Different types of integrations with various sources are the most helpful and useful features of Grafana Loki that I found for myself. As part of Kubernetes technology, I noticed benefits from using this product such as availability, configuration balancing, high availability solutions for high performance, and failover clustering. It provides a clear picture about the state of the system and gives needed information for taking action and quickly fixing problems.
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

"There are new features like that pilot code and things like that for profiling."
"The effectiveness of filters is pivotal for optimizing the search process and extracting the specific information we need from the extensive log data."
"The most valuable part of Loki is the ability to filter logs by keywords and devices."
"Loki significantly saves time in troubleshooting by quickly pinpointing network issues."
"The most valuable features of the solution stem from the fact that it is an open-source tool that is stable and flexible."
"Different types of integrations with various sources are the most helpful and useful features of Grafana Loki that I found for myself."
"The tool can be used in multi-cluster environments."
"We are using Grafana Loki as a database for real-time metrics."
"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

"We encountered certain limitations when it came to alerting, particularly when dealing with specific data sources."
"The correlation of requests is not simple in Grafana Loki and can be improved."
"We face some bugs when we install the latest version of Grafana Loki."
"It's not intended for proprietary services, so you have to struggle with configuration a lot."
"I do not see any areas for improvement at the moment."
"Enhancing speed could be a game-changer, and while it might vary depending on the application, it's a factor worth exploring."
"The solution's scalability depends on the team managing the Grafana instance."
"It would be beneficial if Loki could directly access Windows Server logs or events directly from the servers."
"The product is not easy to learn."
"Security Onion's user interface could be improved."
"The initial setup of the solution is a little bit difficult."
 

Pricing and Cost Advice

"My company doesn't need to pay for the licensing cost of the solution."
"I use the solution's open-source version. Grafana Loki is a completely free solution for me."
"The solution is open source."
"We use a free version."
"Grafana Loki is a free, open-source solution."
"You can use the free version of Grafana Loki on-premises."
"The cost is less than other paid services like CloudWatch."
"I use the open-source version of the product."
"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
16%
Comms Service Provider
10%
Financial Services Firm
10%
Manufacturing Company
9%
University
11%
Computer Software Company
11%
Comms Service Provider
11%
Government
10%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business7
Midsize Enterprise8
Large Enterprise3
No data available
 

Questions from the Community

What do you like most about Grafana Loki?
We are using Grafana Loki as a database for real-time metrics.
What is your experience regarding pricing and costs for Grafana Loki?
Since it is an open source tool, there are no charges or fees.
What needs improvement with Grafana Loki?
I have no ideas at this moment about what could be improved in Grafana Loki.
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

Find out what your peers are saying about Grafana Loki vs. Security Onion and other solutions. Updated: September 2025.
868,759 professionals have used our research since 2012.