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Security Onion vs Sumo Logic Security comparison

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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:
 

ROI

Sentiment score
8.2
Security Onion offers cost-effective, open-source tools for enhanced threat detection and efficient incident response, benefiting organizations and learners.
Sentiment score
5.8
Sumo Logic Security enhances efficiency by reducing downtime and workload, leading to overall satisfaction among users despite varied investment evaluations.
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
We have saved 64 hours of our time overall.
Security Engineer at a tech vendor with 11-50 employees
The return on investment I have seen with Sumo Logic Security in the past year and a half is tough to quantify, but I would estimate it has hit the milestones we set internally for return on investment.
CISO / Founder / GRC at VINCTA BV
 

Customer Service

Sentiment score
7.9
Security Onion's customer service is praised for responsiveness, helpful technical support, and robust community resources, even for free users.
Sentiment score
7.0
Sumo Logic Security is praised for efficient customer service and effective technical support, though regional response times may vary.
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
They have a response time of forty-eight hours, which is not instant support.
Soc Analyst at a outsourcing company with 5,001-10,000 employees
In general, they usually provide continuous support post-implementation, being in touch and trying to help, which makes their after-sale process better than Splunk.
CSO at Altera
Sumo Logic Security has really good customer support.
CISO / Founder / GRC at VINCTA BV
 

Scalability Issues

Sentiment score
7.4
Security Onion effectively scales for small to large environments, though API integration can be challenging; performance depends on system resources.
Sentiment score
7.6
Sumo Logic Security is adaptable, scales with business growth, excels in cloud environments, and consistently receives high flexibility ratings.
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
Sumo Logic Security scales up automatically because it is a cloud-native SIEM, and I do not need to worry about hardware clusters or capacity planning.
Security Engineer at a tech vendor with 11-50 employees
The tool has high scalability because everything is based in the cloud.
Deputy Country Manager at PT Securite Asia Indonesia (ABP Securite)
I did not face any significant issues with Sumo Logic Security, but the pricing may be a concern as they try to upsell and raise the prices very quickly.
CSO at Altera
 

Stability Issues

Sentiment score
8.3
Security Onion is reliable, performing well in VMware with occasional issues, mainly related to configuration, resources, or storage needs.
Sentiment score
8.0
Sumo Logic Security is highly reliable, efficiently handling large data with minimal performance issues and rare support needs.
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.
If there are many records, the system may stop or the UI may become unresponsive.
Soc Analyst at a outsourcing company with 5,001-10,000 employees
The query language is pretty straightforward and easy, and it is very powerful for building different searches and dashboards that will serve for later exploration of the same interests I have.
CSO at Altera
It operates very well as a cloud-native SaaS platform with high availability, and there is no downtime that I have experienced.
Security Engineer at a tech vendor with 11-50 employees
 

Room For Improvement

Security Onion needs a more intuitive setup, improved UI, enhanced documentation, and reduced complexity for better usability.
Users urge improvements in interface usability, automation, integration, support, AI capabilities, pricing, and visualization for Sumo Logic Security.
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
This can lead to alerts that are collections of disjointed signals that sometimes make no sense and lack real context; this simplistic approach makes it hard to find coherent stories during investigations.
CSO at Altera
I would also appreciate the AWS automation integrations to be more secure because currently, they are using access keys, which involves a user rather than roles, which is the security best practice recommended by AWS.
Senior Security Analyst at City Electric Supply Company
The correlation rules and log mapping are not as mature compared to other SIM tools like Splunk.
Soc Analyst at a outsourcing company with 5,001-10,000 employees
 

Setup Cost

Security Onion provides cost-effective solutions with free core features, requiring hardware for deployment, and offers enterprise support.
Sumo Logic Security offers mid-range pricing, balancing cost and functionality, with convenience through AWS Marketplace but increasing costs with usage.
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
This makes it more cost-effective because other solutions often include a third element in their pricing.
Deputy Country Manager at PT Securite Asia Indonesia (ABP Securite)
From one to ten, where one is cheap and ten is expensive, I would put Sumo Logic Security at a seven.
CISO / Founder / GRC at VINCTA BV
If you go to the well-known vendors such as Azure Sentinel or other tools like Splunk, you are going to find them costly since they are well-known and they have much more integration compared to Sumo Logic Security.
Security Analyst at a tech vendor with 10,001+ employees
 

Valuable Features

Security Onion integrates monitoring tools for threat detection, log management, and network analysis, offering accessible and cost-effective security.
Sumo Logic Security offers comprehensive log aggregation, AI analytics, and scalability, enhancing detection, response, and operational efficiency.
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
The features I find most useful in Sumo Logic Security are the ease of implementation and connectors; they have a very easy connection and many connectors to important systems, making it very easy to implement and fast to start running in production.
CSO at Altera
They are able to save time on fewer alerts because we are able to perform tuning on the logs to be able to only get relevant or security relevant incidents.
Senior Security Analyst at City Electric Supply Company
My SOC analysts were crushed under Splunk, but Sumo has actually eased the workload and made it tolerable for three people.
CISO / Founder / GRC at VINCTA BV
 

Categories and Ranking

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
Sumo Logic Security
Ranking in Log Management
22nd
Average Rating
8.2
Reviews Sentiment
7.0
Number of Reviews
25
Ranking in other categories
Security Information and Event Management (SIEM) (17th), Security Orchestration Automation and Response (SOAR) (13th)
 

Mindshare comparison

As of November 2026, in the Log Management category, the mindshare of Security Onion is 1.5%, down from 4.4% compared to the previous year. The mindshare of Sumo Logic Security is 1.4%, up from 0.6% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Log Management Mindshare Distribution
ProductMindshare (%)
Security Onion1.5%
Sumo Logic Security1.4%
Other97.1%
Log Management
 

Featured Reviews

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.
MR
Senior Security Analyst at City Electric Supply Company
Security insights have enabled faster incident response and streamlined cross-team collaboration
To improve Sumo Logic Security, I would appreciate the tool being easier to use from a search perspective. For example, we have a few teams that want to use the tool itself, but they are not as savvy when it comes to creating searches from the core platform. I understand that Mobot has come out and is in the works, and it really does assist non-savvy users when it comes to querying the platform. As far as that is concerned, I wish that could be improved a bit more, but I do know that that is in the works. I would add that I wish for improved documentation. For example, we are using Sumo Playbooks and automation integrations along with that, but I have found that there has been a lack of documentation, very little to none at all when it comes to that. With regards to automation integrations as well, there are very few details included in them. I would also appreciate the AWS automation integrations to be more secure because currently, they are using access keys, which involves a user rather than roles, which is the security best practice recommended by AWS. I chose eight out of ten because to make it a nine or ten, I would lean heavily on the documentation. A lot of the times when we get around to configuring things such as playbooks or trying to understand playbooks, what I found was that documentation sometimes is not up to date or documentation is lacking. There are instances also where some security best practices are not being followed. So, if we are able to set up an integration that is not only secure, following security best practices, and has complete documentation, I believe it would alleviate the issue of having to go back and forth with support to check the documentation and things of that nature. My impression of the built-in threat intelligence feature in Sumo Logic Security is that it is comprehensive, but I would say that it could do a little bit better. For example, we have the TAXI feeds, which is STIX and TAXI integrated into the core platform, but the issue I am running into is that I am able to use that feed into a CSE alert; however, I am not able to see the contents of that feed. If I integrate CISA, which we do have integrated, I cannot see what IOCs are in that feed in the core platform, and I hope that is the case because, in order for us to better tune our alerts, we need to be able to see what is in the contents of that threat intelligence feed.
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Top Industries

By visitors reading reviews
Comms Service Provider
12%
University
11%
Government
10%
Construction Company
7%
Outsourcing Company
15%
Manufacturing Company
12%
Financial Services Firm
10%
Comms Service Provider
7%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business4
Midsize Enterprise1
Large Enterprise8
By reviewers
Company SizeCount
Small Business7
Midsize Enterprise4
Large Enterprise16
 

Questions from the Community

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, ...
What is your experience regarding pricing and costs for Sumo Logic Security?
I would say that the pricing for Sumo Logic Security is in the medium part of the market. If you go to the well-known vendors such as Azure Sentinel or other tools like Splunk, you are going to fin...
What needs improvement with Sumo Logic Security?
I would say there are a few more things that Sumo Logic Security can improve on. It is not the tool; it is a technical part. From the app point of view, I would say when we need to include a few la...
 

Overview

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