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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
7th
Average Rating
8.2
Reviews Sentiment
6.3
Number of Reviews
19
Ranking in other categories
No ranking in other categories
Security Onion
Ranking in Log Management
29th
Average Rating
7.2
Reviews Sentiment
7.1
Number of Reviews
4
Ranking in other categories
No ranking in other categories
 

Mindshare comparison

As of June 2026, in the Log Management category, the mindshare of Grafana Loki is 3.1%, down from 8.6% compared to the previous year. The mindshare of Security Onion is 2.0%, down from 5.3% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Log Management Mindshare Distribution
ProductMindshare (%)
Grafana Loki3.1%
Security Onion2.0%
Other94.9%
Log Management
 

Featured Reviews

reviewer2350791 - PeerSpot reviewer
Regional Associate & Engineer at a outsourcing company with 1,001-5,000 employees
Offers cost-effective log management with strong correlation features across observability tools
Grafana Loki's open-source capability is a significant benefit. Grafana has invested in making their enterprise tools competitive with other APM tools, facilitating cross-correlation with Mimir and Tempo for metrics and tracing. The tool offers good search functionality, and its on-premises capability is advantageous. The indexing performance is strong, making it a robust log management tool. Grafana Loki is notably cost-effective.
HJ
Manager at teshama
Centralized threat monitoring has improved visibility but demands complex setup and configuration
The best features Security Onion offers include acting as the intrusion detection system in my organization and helping me to address traffic, logs, and events happening within the organization. Since Security Onion is an open-source system that integrates with tools like Suricata and Zeek with the ELK stack, it enables threat detection and response capabilities, delivering high-level security measures at a cost, making it suitable for businesses of varying skill levels. These integrations with Suricata and Zeek have greatly impacted our workflow and our team's effectiveness by helping us address issues such as identifying intrusions, evaluating threats, and overseeing log files. This tool is very cost-effective, making it suitable for any size of organization wanting to use it.

Quotes from Members

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

Pros

"We are using Grafana Loki as a database for real-time metrics."
"The solution's stability has never been a problem. Stability-wise, I rate the solution a nine to ten out of ten."
"The most valuable feature of the solution is the tool's GUI. The solution's GUI is very user-friendly."
"There are new features like that pilot code and things like that for profiling."
"The log collection feature is good and the solution is easily understandable. v"
"The tool can be used in multi-cluster environments."
"I appreciate the capability to process logs from microservices and seamlessly integrate them into Grafana."
"The best feature of Grafana Loki is that it integrates well with our other tool."
"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."
"Security Onion has positively impacted my organization by greatly improving our security posture, making alert triage easier to handle, simplifying the analysis of threats, and decreasing the cost of threat analysis and detection."
 

Cons

"Enhancing speed could be a game-changer, and while it might vary depending on the application, it's a factor worth exploring."
"The correlation of requests is not simple in Grafana Loki and can be improved."
"I would rate Grafana Loki a seven out of ten because it is open source, and sometimes there can be problems that are difficult to fix without official support."
"There is a need for some change in the alerting types of the product. In short, a few changes in the alert area are needed due to minor shortcomings."
"The Docker container partition feature needs improvement as they do not reuse the space and goes into a pending state."
"We had a well-structured dashboard with a functional query. However, an issue arose when the Kubernetes pod restarted. The statistics from our Grafana query would reset, dropping to zero and starting anew. This was particularly noticeable with linear graphs, which are expected to show consistent growth."
"I do not see any areas for improvement at the moment."
"My main concern is the recommended production-grade setup. They suggest using tools like Tanka or Jsonnet. They should simplify the process to increase adoption."
"For Security Onion, setting up and configuring the system can be quite challenging for newcomers due to the need for a grasp of networking and security concepts."
"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 and Cost Advice

"I use the open-source version of the product."
"I use the solution's open-source version. Grafana Loki is a completely free solution for me."
"Grafana Loki is an open-source solution."
"You can use the free version of Grafana Loki on-premises."
"The solution is open source."
"Grafana Loki is a free, open-source solution."
"I find the licensing structure quite reasonable, as the free license effectively meets my requirements."
"The cost is less than other paid services like CloudWatch."
"It is an open-source solution."
"Security Onion is a free solution."
"Security Onion is an open-source solution."
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Top Industries

By visitors reading reviews
Financial Services Firm
12%
Comms Service Provider
12%
Computer Software Company
11%
Manufacturing Company
8%
University
12%
Comms Service Provider
11%
Government
10%
Computer Software Company
7%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business7
Midsize Enterprise8
Large Enterprise4
No data available
 

Questions from the Community

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?
Improvements could be made in the enablement of the product, addressing the complexity of implementing these tools.
What advice do you have for others considering Grafana Loki?
A lot of our customers are service providers, internet service providers, government, defense contractors, and some enterprise software and finance organizations, so it spans across the board. Cost...
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Overview

Find out what your peers are saying about Grafana Loki vs. Security Onion and other solutions. Updated: June 2026.
900,747 professionals have used our research since 2012.