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Cribl vs Security Onion comparison

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Comparison Buyer's Guide

Executive SummaryUpdated on Mar 29, 2026

Review summaries and opinions

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

ROI

Sentiment score
5.1
Cribl enhances ROI by optimizing data handling, reducing costs, and improving efficiency through streamlined data management and retention.
Sentiment score
8.2
Security Onion offers cost-effective, open-source tools for enhanced threat detection and efficient incident response, benefiting organizations and learners.
What we've seen is really an overall reduction of just shy of 40% in our ingest into our SIM platform versus prior to having Cribl.
Senior Security Engineer at a university with 10,001+ employees
The second thing is that data aggregation, sampling, and reduction that we're able to do of the data, lowering our overall data volume, both traversing the network as well as what's being stored inside of our final solutions.
Director, Performance Engineering at a tech services company with 10,001+ employees
In terms of reduction, we were able to save almost ~40% of our total cost.
Sr. Lead Security Engineer at a tech vendor with 10,001+ employees
We achieve a return on investment through improved threat detection and faster incident response in log management and centralized visibility across the infrastructure.
Angular developer at Flourish software
With this kind of tool, students can save money by using open-source software while gaining experience in working with different logs and detection systems, leading to time savings during their studies.
BCGEU Faculty, Computer Information Systems Administration at a educational organization with 1,001-5,000 employees
We could save some cost while integrating Security Onion in our organization to help us manage some simplified threat detection alerts.
Security Operation Center Analyst at a university with 1,001-5,000 employees
 

Customer Service

Sentiment score
6.5
Cribl's customer service is highly rated, with knowledgeable staff praised for expertise despite occasional response delays.
Sentiment score
7.9
Security Onion's customer service is praised for responsiveness, helpful technical support, and robust community resources, even for free users.
They had extensive expertise with the product and were able to facilitate everything we needed.
Security Consultant at Integrity360
Usually, within an hour, we get a response, and we are able to work with them back and forth until we resolve the issues.
Engineering Fellow at Pegasystems
Sometimes by hearing the problem itself, they will know what the solution is, and they will let us know how to resolve it, and we do it immediately.
Senior Specialist at a tech vendor with 10,001+ employees
Customer support for Security Onion is very good
Angular developer at Flourish software
I rate the customer support nine out of ten.
Security Operation Center Analyst at a university with 1,001-5,000 employees
I can give it nine to 9.5 or 10 points for support.
Network Engineer at Crisp System India Pvt Ltd
 

Scalability Issues

Sentiment score
6.6
Cribl's distributed architecture enables seamless scaling, efficiently managing high-volume data, supporting enterprise demands with minimal workforce involvement.
Sentiment score
7.4
Security Onion effectively scales for small to large environments, though API integration can be challenging; performance depends on system resources.
The infrastructure behind Cribl Search is also scalable as it uses a CPU and just spawns horizontally more instances as it demands and requires.
Engineering Fellow at Pegasystems
Compared to other SIEM tools I use, any slight change on the operating system end impacts a lot on our SIEM tools and other things, but Cribl performs well in that regard.
Senior Software Engineer at a retailer with 1,001-5,000 employees
Cribl performs effectively across both market segments.
Principal at a hospitality company with 10,001+ employees
Security Onion is a highly scalable platform, making it suitable for medium to large-scale enterprises.
Angular developer at Flourish software
I would say it's scalable based on your license, the cost of implementation, and your own architecture as well.
Security Operation Center Analyst at a university with 1,001-5,000 employees
 

Stability Issues

Sentiment score
7.3
Cribl is praised for its stability and reliability, with efficient handling and minimal downtime, though occasional issues occur.
Sentiment score
8.3
Security Onion is reliable, performing well in VMware with occasional issues, mainly related to configuration, resources, or storage needs.
Migrating from those SC4S servers to Cribl worker nodes has truly been a game-changer.
Sr. Lead Security Engineer at a tech vendor with 10,001+ employees
Regarding scalability, we started with zero servers and have around 285 servers now.
Senior Specialist at a tech vendor with 10,001+ employees
Cribl is designed to deal with certain kinds of loads and is not designed to handle any scenario in the market.
Security Delivery Senior Analyst at Accenture
Since using Security Onion, we have not faced any issues or downtime, which indicates it is very stable.
Angular developer at Flourish software
Security Onion is reliable and is a good product, having no glitches or latency problems.
Network Engineer at Crisp System India Pvt Ltd
Security Onion is pretty stable, with the only significant issue being that I had to increase the storage.
 

Room For Improvement

Cribl should improve cost efficiency, automation, documentation, UI, log handling, pricing flexibility, and offer pre-built templates.
Security Onion needs a more intuitive setup, improved UI, enhanced documentation, and reduced complexity for better usability.
A more stringent role-based access control feature would enhance security and allow granular control over what users can see and access.
Manager for Monitoring and Logging at Velera
When passing query logs or DNS logs, if certain malicious query patterns need to be identified or if fast-flux attacks are happening, Cribl can report that and those would definitely be a plus for them.
Product Manager at UnDisclosed
I would advise others looking to implement Cribl that if they are evolving Cribl Search, it would be very interesting to see more capability, more flexibility, and more ways to share the data similar to Splunk.
Senior Manager at Deloitte
The biggest challenges I have experienced with Security Onion are the learning curve and resource requirements, as it is not necessarily something you can install and immediately understand without networking and Linux knowledge.
A specific guideline for helping beginners understand the detection and investigation features of Security Onion would be beneficial.
BCGEU Faculty, Computer Information Systems Administration at a educational organization with 1,001-5,000 employees
Security Onion could be improved by making the user interface more intuitive for new users and simplifying the initial setup and configuration process.
Security Operation Center Analyst at a university with 1,001-5,000 employees
 

Setup Cost

Cribl offers competitive, cost-effective pricing at $0.32 per GB, aligning with cost-efficiency goals despite credit-based complexity.
Security Onion provides cost-effective solutions with free core features, requiring hardware for deployment, and offers enterprise support.
Over time, the licensing cost has increased.
SIEM Engineer at National Australia Bank (NAB)
It was cheaper than the Splunk license.
Security Engineering Programme Manager at a government with 1,001-5,000 employees
Splunk is more expensive, and Cribl appears to be more affordable.
Principal at a hospitality company with 10,001+ employees
Security Onion does not require any cost, as it is open-source and free.
Angular developer at Flourish software
I do not have a license for Security Onion since I have the free version, meaning it does not cost me anything.
The enterprise version should be reasonably priced, not so expensive.
Network Engineer at Crisp System India Pvt Ltd
 

Valuable Features

Cribl excels in data management with an intuitive interface, real-time processing, and flexible integration, optimizing efficiency and costs.
Security Onion integrates monitoring tools for threat detection, log management, and network analysis, offering accessible and cost-effective security.
The data reduction and preprocessing capabilities make Cribl really unique.
Security Consultant at Integrity360
Cribl has a feature called JSON Unroll or Unroll function that allows you to differentiate the events; each event will come ingested as a single log instead of piling it up with multiple events.
Security Engineer at Tecplix
The Cribl UI is very simple and easy to use, particularly when working with data from various sources; it makes it very easy to create pipelines, add complex logic to those pipelines, and then gives you a preview of what your data looks like before applying that pipeline and what you get after.
Senior Security Engineer at a university with 10,001+ employees
One of the best features that Security Onion offers is that it is open source, free to install in a lab environment, and allows for monitoring network traffic and investigating potential attacks while integrating other tools such as Suricata, Zeek, and Elastic-based components that are useful for diving into the logs, along with its threat detection capabilities to see network activity, including port scans, unusual connections, and potential intrusion attempts.
BCGEU Faculty, Computer Information Systems Administration at a educational organization with 1,001-5,000 employees
Tools such as Suricata and Zeek help identify suspicious network activity and provide detailed information for investigating and analyzing the potential threat which is coming to any organization.
Security Operation Center Analyst at a university with 1,001-5,000 employees
The most valuable features of Security Onion are its threat detection capabilities, centralized log management system, and network security monitoring.
Angular developer at Flourish software
 

Categories and Ranking

Cribl
Ranking in Log Management
3rd
Average Rating
8.6
Reviews Sentiment
6.8
Number of Reviews
66
Ranking in other categories
Application Performance Monitoring (APM) and Observability (7th), Security Information and Event Management (SIEM) (4th), Observability Pipeline Software (1st)
Security Onion
Ranking in Log Management
11th
Average Rating
8.2
Reviews Sentiment
7.0
Number of Reviews
9
Ranking in other categories
No ranking in other categories
 

Mindshare comparison

As of November 2026, in the Log Management category, the mindshare of Cribl is 2.3%, down from 2.6% compared to the previous year. The mindshare of Security Onion is 1.5%, down from 4.4% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Log Management Mindshare Distribution
ProductMindshare (%)
Cribl2.3%
Security Onion1.5%
Other96.2%
Log Management
 

Featured Reviews

JigarHirani - PeerSpot reviewer
Splunk Engineer at a recruiting/HR firm with 11-50 employees
Log pipelines have reduced daily data volume and now simplify traffic analysis
Overall, the pipelines and all the features are good with Cribl. The UI is good. Just sometimes, when I actually started using Cribl, I faced the issue where I was not able to connect the nodes. The pipeline is structured in a certain way, then the data will be routed to there, and something of that nature. I was very much confused about their whole products, such as Data Lake and pipelines. It's possible that at that time I didn't take any university courses, which is why I did not know much. But if they can give an intro on how we can connect nodes, or they can provide simple use cases showing what you can do with Cribl, it would help. If you just need to add the source and the destination and pre-build some proper workflow, then it will be easy for new customers to navigate through Cribl.
CO
Security Operation Center Analyst at a university with 1,001-5,000 employees
Improved threat detection and incident response has revealed training and usability gaps
What I would like to add is that if the interface or if there is less to work on technical knowledge. For example, people with no technical knowledge cannot use this, so they need to have at least a deep or substantial level of technical knowledge to be able to use these tools. If there is a way there can be an optimization to accommodate those with no technical knowledge in the process using tools compared to tools such as Sentinel and Splunk, which also doesn't require much technical knowledge to be able to use. That would also help. I think Security Onion could be improved by making the user interface more intuitive for new users and simplifying the initial setup and configuration process. Security Onion needs to be simplified so that those with less technical knowledge can be able to come in and use it. Guidance on prioritizing alerts will also be helpful, especially in an environment where security analysts deal with a high volume of security events. I also would like to mention that it needs to be more straightforward integration with other security tools. There needs to be a handshake between Security Onion and other same tools to help in endpoint detection and protection against threats. Another improvement that could also enhance is the reporting and visualization of the key metrics such as detection time, the incident, the overall interface of the analysis, and the false rate, which will also give Security Onion a better view for security analysts to be able to use and understand it. I would like to see the interface to be more simplified. I also would like to see the visualization to be more improved. I also would like to see the support features to be something that junior analysts or those coming in to start up their careers can be able to use without needing deep technical knowledge.
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Top Industries

By visitors reading reviews
Financial Services Firm
19%
Manufacturing Company
11%
Healthcare Company
6%
Outsourcing Company
6%
Comms Service Provider
12%
University
11%
Government
10%
Construction Company
7%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business52
Midsize Enterprise8
Large Enterprise36
By reviewers
Company SizeCount
Small Business4
Midsize Enterprise1
Large Enterprise8
 

Questions from the Community

What is your experience regarding pricing and costs for Cribl?
I find the pricing of Cribl to be cost-efficient because it has helped us save costs for data storage by removing unwanted logs.
What needs improvement with Cribl?
Currently, Cribl is perfectly fine for us, and we have not observed any such issues. However, if we find anything later on, we will document it and share it with you. Cribl could respond more quick...
What is your primary use case for Cribl?
We are using Cribl for log trimming with a vast majority of log sources that have different log patterns or log types. Some logs come in syslog format, some are in JSON, and some are in other HTML ...
What is your experience regarding pricing and costs for Security Onion?
I have not had a problem with pricing, setup cost, and licensing because my experience with Security Onion's pricing has been positive. Security Onion is open-source, so I was able to use its core ...
What needs improvement with Security Onion?
One way Security Onion could improve is by making the initial setup and configuration easier, especially for new users. When I first started working with it, I experienced challenges configuring ne...
What advice do you have for others considering Security Onion?
I would give Security Onion a rating of 10 out of 10. I have used other platforms, and I can tell that Security Onion provides powerful security monitoring and investigation tools in one platform, ...
 

Comparisons

 

Overview

Find out what your peers are saying about Cribl vs. Security Onion and other solutions. Updated: September 2026.
920,769 professionals have used our research since 2012.