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Devo 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

Devo
Ranking in Log Management
18th
Average Rating
8.4
Reviews Sentiment
6.6
Number of Reviews
27
Ranking in other categories
Security Information and Event Management (SIEM) (18th), IT Operations Analytics (7th), AIOps (13th)
Security Onion
Ranking in Log Management
24th
Average Rating
7.8
Reviews Sentiment
7.2
Number of Reviews
4
Ranking in other categories
No ranking in other categories
 

Mindshare comparison

As of August 2026, in the Log Management category, the mindshare of Devo is 1.4%, up from 0.6% compared to the previous year. The mindshare of Security Onion is 1.8%, down from 4.8% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Log Management Mindshare Distribution
ProductMindshare (%)
Devo1.4%
Security Onion1.8%
Other96.8%
Log Management
 

Featured Reviews

Usama Khan - PeerSpot reviewer
Team Lead Soc at a tech services company with 51-200 employees
Advanced threat hunting has improved SOC visibility and now supports faster incident response
Devo can improve in how its connectors enhance integration with third-party tools. Devo's architecture works by having you deploy a relay server in the data center of the client side and Devo SIEM is basically on the AWS cloud. There are specific ports which are enabled on the relay server, which are 514 and 13000, 13151, 152. However, when we talk about databases and custom integrations, there are not default ports in the relay server. No default ports are defined. For JDBC drivers, the port number is 1433, but it is not in the relay server. You have to add it manually. For Oracle RDBMS, the port is 1521, and it is also not there by default. I would appreciate more third-party integrations including Fortinet and others. Machine learning models can also be improved. Playbooks in the SOAR can also be improved. Regarding playbooks for automation, we utilize playbooks for automation in SOAR for automated IOC blocking on a firewall, on a web application firewall, on DNS security, etc. The only option for us to run the playbook is to schedule the job for it. However, if I want to manually run the playbook, there is no option for doing so. This needs improvement.
Hiten Nandasana - PeerSpot reviewer
Angular developer at Flourish software
Centralized monitoring has strengthened threat detection and supports faster incident investigations
Security Onion is a completely open-source and free platform, making it a cost-effective solution that works smoothly and effectively for our organization. Security Onion integrates well with our existing tools, primarily using Linux systems in our organization, allowing us to monitor logs and manage threat detection and operations in the public cloud effectively. Security Onion is very helpful in meeting compliance requirements and supports regular standards for our environment. I advise organizations that use Linux or have network security knowledge to consider Security Onion, as it satisfies requirements such as threat detection and log management systems. I would rate this review eight out of ten.

Quotes from Members

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

Pros

"The user interface is really modern. As an end-user, there are a lot of possibilities to tailor the platform to your needs, and that can be done without needing much support from Devo. It's really flexible and modular. The UI is very clean."
"It's very, very versatile."
"Overall, using Devo has saved us time when compared to our previous security solutions, and I estimate that it took us 10 times longer to achieve the same thing without Devo."
"With Devo, we can eliminate swivel chair analysis among tools for a streamlined workflow that gives us the most direct path to the root cause."
"Devo has a really good website for creating custom configurations."
"The user experience [is] well thought out and the workflows are logical. The dashboards are intuitive and highly customizable."
"The most powerful feature is the way the data is stored and extracted. The data is always stored in its original format and you can normalize the data after it has been stored."
"Scalability is one of Devo's strengths."
"Security Onion is a completely open-source and free platform, making it a cost-effective solution that works smoothly and effectively for our organization."
"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."
"We use Security Onion for internal vulnerability assessment."
 

Cons

"Both response time and support quality need attention."
"One major area for improvement for Devo... is to provide more capabilities around pre-built monitoring. They're working on integrations with different types of systems, but that integration needs to go beyond just onboarding to the platform. It needs to include applications, out-of-the-box, that immediately help people to start monitoring their systems. Such applications would include dashboards and alerts, and then people could customize them for their own needs so that they aren't starting from a blank slate."
"Some of the documentation could be improved a little bit. A lot of times it doesn't go as deep into some of the critical issues you might run into. They've been really good to shore us up with support, but some of the documentation could be a little bit better."
"The biggest area with room for improvement in Devo is the Security Operations module that just isn't there yet."
"Some third-parties don't have specific API connectors built, so we had to work with Devo to get the logs and parse the data using custom parsers, rather than an out-of-the-box solution."
"Some basic reporting mechanisms have room for improvement. Customers can do analysis by building Activeboards, Devo’s name for interactive dashboards. This capability is quite nice, but it is not a reporting engine. Devo does provide mechanisms to allow third-party tools to query data via their API, which is great. However, a lot of folks like or want a reporting engine, per se, and Devo simply doesn't have that. This may or may not be by design."
"Their documentation could be better. They are growing quickly and need to have someone focused on tech writing to ensure that all the different updates, how to use them, and all the new features and functionality are properly documented."
"The cost is a little higher compared to other tools such as DataDog or Elasticsearch, so they could work on reducing costs."
"Security Onion's user interface could be improved."
"The product is not easy to learn."
"The initial setup of the solution is a little bit difficult."
"Security Onion can be made easier to set up initially, as it is somewhat difficult at the start, but once configured, it becomes a great tool to use."
 

Pricing and Cost Advice

"We have an OEM agreement with Devo. It is very similar to the standard licensing agreement because we are charged in the same way as any other customer, e.g., we use the backroom."
"Devo is definitely cheaper than Splunk. There's no doubt about that. The value from Devo is good. It's definitely more valuable to me than QRadar or LogRhythm or any of the old, traditional SIEMs."
"I like the pricing very much. They keep it simple. It is a single price based on data ingested, and they do it on an average. If you get a spike of data that flows in, they will not stick it to you or charge you for that. They are very fair about that."
"It's very competitive. That was also a primary draw for us. Some of the licensing models with solutions like Splunk and Sentinel were attractive upfront, but there were so many micro-charges and services we would've had to add on to make them what we wanted. We had to include things like SOAR and extended capabilities, whereas all those capabilities are completely included with the Devo platform. I haven't seen any additional fee."
"I'm not involved in the financial aspect, but I think the licensing costs are similar to other solutions. If all the solutions have a similar cost, Devo provides more for the money."
"Our licensing fees are billed annually and per terabyte."
"Pricing is based on the number of gigabytes of ingestion by volume, and it's on a 30-day average. If you go over one day, that's not a big deal as long as the average is what you expected it to be."
"Devo was very cost-competitive... Devo did come with that 400 days of hot data, and that was not the case with other products."
"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
14%
Outsourcing Company
10%
Construction Company
10%
Manufacturing Company
9%
University
12%
Comms Service Provider
12%
Government
9%
Construction Company
7%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business11
Midsize Enterprise5
Large Enterprise12
No data available
 

Questions from the Community

What is your experience regarding pricing and costs for Devo?
The pricing of the product is reasonable if we compare it with other Gartner leading products like Splunk, LogRhythm, Microsoft Sentinel, Google SecOps. Its licensing model is basically on per-day ...
What needs improvement with Devo?
Devo can improve in how its connectors enhance integration with third-party tools. Devo's architecture works by having you deploy a relay server in the data center of the client side and Devo SIEM ...
What is your primary use case for Devo?
I am using Devo myself. Basically, I work at an MSSP, and we provide services to the organization for Security Operation Centers. In our Security Operation Center, we provide the service of SIEM vi...
What is your experience regarding pricing and costs for Security Onion?
Security Onion does not require any cost, as it is open-source and free.
What needs improvement with Security Onion?
Security Onion can be made easier to set up initially, as it is somewhat difficult at the start, but once configured, it becomes a great tool to use. I assigned a rating of eight out of ten because...
What advice do you have for others considering Security Onion?
Security Onion is a completely open-source and free platform, making it a cost-effective solution that works smoothly and effectively for our organization. Security Onion integrates well with our e...
 

Comparisons

 

Overview

 

Sample Customers

United States Air Force, Rubrik, SentinelOne, Critical Start, NHL, Panda Security, Telefonica, CaixaBank, OpenText, IGT, OneMain Financial, SurveyMonkey, FanDuel, H&R Block, Ulta Beauty, Manulife, Moneylion, Chime Bank, Magna International, American Express Global Business Travel
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Find out what your peers are saying about Devo vs. Security Onion and other solutions. Updated: August 2026.
910,454 professionals have used our research since 2012.