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AlienVault OSSIM vs Exabeam comparison

 

Comparison Buyer's Guide

Executive SummaryUpdated on Sep 18, 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

AlienVault OSSIM
Ranking in Security Information and Event Management (SIEM)
12th
Average Rating
7.4
Reviews Sentiment
7.1
Number of Reviews
31
Ranking in other categories
No ranking in other categories
Exabeam
Ranking in Security Information and Event Management (SIEM)
21st
Average Rating
7.8
Reviews Sentiment
6.7
Number of Reviews
19
Ranking in other categories
User Entity Behavior Analytics (UEBA) (2nd), Security Incident Response (6th), Threat Intelligence Platforms (TIP) (11th), Security Orchestration Automation and Response (SOAR) (13th), AI-Powered Cybersecurity Platforms (10th)
 

Mindshare comparison

As of November 2025, in the Security Information and Event Management (SIEM) category, the mindshare of AlienVault OSSIM is 2.4%, down from 4.3% compared to the previous year. The mindshare of Exabeam is 1.6%, up from 1.1% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Security Information and Event Management (SIEM) Market Share Distribution
ProductMarket Share (%)
AlienVault OSSIM2.4%
Exabeam1.6%
Other96.0%
Security Information and Event Management (SIEM)
 

Featured Reviews

HarshBhardiya - PeerSpot reviewer
An open-source solution that provide good detection and more visibility
The solution is not scalable. It impacts so hard. In the initial stages, AlienVault OSSIM can be suitable for small environments. There may be limitations if the customer expresses a desire to expand and add more devices. In such cases, we would need to either explore additional solutions or work within the constraints of the existing setup. We have set up alerts and configured everything in AlienVault OSSIM. It actively monitors for any security incidents. It provides us with regular updates and notifications about any ongoing activities. Only one person is using the solution. It is the perfect solution for small businesses. I rate the solution’s scalability a three out of ten.
Stephen-Armstrong - PeerSpot reviewer
The SIEM provides a user-friendly UI experience
When events come into the system, the dashboard categorizes them by the highest risk score, not when they appear on the system. When you've got multiple ongoing incidents you can only see the highest risk score at the top of the list rather than the most recent detection. Exabeam's reporting dashboard could have included a filtering option to filter by the most recent detection.

Quotes from Members

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

Pros

"The solution is free to use."
"You can customize the dashboards as well as the reporting."
"There are a lot of people you will find using OSSIM since they are also offering OTX as a service"
"The dashboard is the solution's most valuable aspect. It brings everything into one central point where I can actually look at it and go, "Okay, I understand what's going on.""
"The solution has a very good open source community, and whenever we have problems, we are always able to resolve it online."
"The threat policies of the solution are always very advanced and the best in the market. They are very persistent in terms of keeping up with security protocols."
"AlienVault OSSIM's GUI is very user-friendly."
"The initial setup was straightforward. I didn't have any problems."
"The way it can connect with AWS is very useful, and the integrations are pretty good."
"Exabeam includes machine learning features and out-of-the-box rules that we rely on."
"Exabeam Fusion SIEM has a good performance and more advantages than traditional solutions."
"I have customers that like the EUBA functionality of it. The solution has the ability to build a session, basically. It pulls a lot of information together, for example, everything a user does in a specific timeframe. It's quite helpful."
"The advanced analytics has a really great overview of user behavior."
"The solution's automation capabilities are great."
"The most valuable feature of Exabeam Fusion SIEM is the easy-to-use user interface."
"The solution's initial setup process is easy."
 

Cons

"The initial setup was a bit complex. You've got to do a lot of reading. It's not an intuitive implementation."
"AlienVault OSSIM’s configuration and integration could be a little easier."
"There are somewhat more false positives with the user behavior analytics, which could benefit from an additional machine learning model to detect user patterns more rapidly."
"AlienVault OSSIM failed to provide our company a full insight, while also giving out a lot of false positives."
"AlienVault OSSIM is costly."
"They can add more compliance templates."
"When comparing AlienVault OSSIM to other solutions it looks a bit outdated. Additionally, they need to improve their integration."
"The user interface could be improved."
"Exabeam needs to improve its adaptive nature towards rules and its capability to understand the entire client environment faster."
"Updating the new release of Exabeam Fusion SIEM takes time and slows our performance."
"The solution's reporting and dashboarding could be improved."
"One area that needs improvement is interacting with Exabeam's API. There was a headache regarding the API; the documentation wasn't clear, and the syntax wasn't very precise."
"We use the on-prem Exabeam product and face limitations using the web UI and administration of custom models and rules."
"The only problem is that the UI is not very impressive."
"Exabeam lacks customizable dashboards, which might be a limitation if visualization is a key requirement."
"The organzation is rigid and not flexible in the way they operate"
 

Pricing and Cost Advice

"We are using the community version, which can be used for free."
"The price of AlienVault OSSIM is too high sometimes for us to present to our customers. The price should be lower. We are on a three-year license to use the solution. We had to pay extra for the support."
"AlienVault OSSIM is free."
"The solution is open source, so it's free to use."
"OSSIM is free."
"We are using a free version of the solution. If you purchase a license there are more features available but the price is a little high. The solution should be cheaper to allow more customers to be able to afford it."
"OSSIM is open source, and USM is the paid license. So, if you want, you can switch to USM. There you will have to buy a license, and they have a support team that helps you out on issues you face."
"AlienVault OSSIM is expensive compared to its competitors."
"Exabeam Fusion SIEM's pricing is reasonable."
"There is an annual license required to use Exabeam Fusion SIEM. The price of the solution should be reduced."
"The platform is not extremely expensive compared to its direct competitors; I would rate its pricing around six out of ten."
"The solution is expensive."
"They have a great model for pricing that can be based either on user count or gigabits per day."
"Exabeam is not a cheap solution."
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Top Industries

By visitors reading reviews
Computer Software Company
14%
Comms Service Provider
12%
University
9%
Financial Services Firm
8%
Financial Services Firm
11%
Computer Software Company
11%
Manufacturing Company
9%
Government
6%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business18
Midsize Enterprise9
Large Enterprise8
By reviewers
Company SizeCount
Small Business12
Midsize Enterprise3
Large Enterprise7
 

Questions from the Community

What is your experience regarding pricing and costs for AlienVault OSSIM?
It depends. I would need to review their cost models, but generally, they are on a scaled basis based on throughput usage. Because it's a software as a service solution for their core product for U...
What needs improvement with AlienVault OSSIM?
Scaling for USM is always challenging for any product unless it is purpose-built or overbuilt at the front end. They will use Palo Alto and its competitors, and LevelBlue will manage that implement...
What are the biggest differences between Securonix UEBA, Exabeam, and IBM QRadar?
It mostly depends on your use-cases and environment. Exabeam and Securonix have a stronger UEBA feature set, friendlier GUI and are not licensed based on capacity (amount of logs and information in...
What is your experience regarding pricing and costs for Exabeam Fusion SIEM?
I do not have much information about the pricing. However, I am aware that Exabeam is cheaper than Palo Alto based on discussions in meetings.
What needs improvement with Exabeam Fusion SIEM?
We use the on-prem Exabeam product and face limitations using the web UI and administration of custom models and rules. I have explored the SaaS version; it offers many new features. We are conside...
 

Also Known As

OSSIM
No data available
 

Overview

 

Sample Customers

Council Rock School District
Hulu, ADP, Safeway, BBCN Bank
Find out what your peers are saying about AlienVault OSSIM vs. Exabeam and other solutions. Updated: September 2025.
872,869 professionals have used our research since 2012.