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AlienVault OSSIM vs Trellix ESM comparison

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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)
24th
Average Rating
7.4
Reviews Sentiment
7.1
Number of Reviews
31
Ranking in other categories
No ranking in other categories
Trellix ESM
Ranking in Security Information and Event Management (SIEM)
21st
Average Rating
7.4
Reviews Sentiment
7.0
Number of Reviews
38
Ranking in other categories
No ranking in other categories
 

Mindshare comparison

As of November 2026, in the Security Information and Event Management (SIEM) category, the mindshare of AlienVault OSSIM is 1.2%, down from 2.6% compared to the previous year. The mindshare of Trellix ESM is 1.1%, down from 1.3% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Security Information and Event Management (SIEM) Mindshare Distribution
ProductMindshare (%)
Trellix ESM1.1%
AlienVault OSSIM1.2%
Other97.7%
Security Information and Event Management (SIEM)
 

Featured Reviews

BP
Independent Contractor at a comms service provider with 5,001-10,000 employees
Enables cost-effective security management for small businesses
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 implementation. The main area where the AlienVault product was lacking around the 2018 timeframe was in its ability to scale. By pushing it to a cloud-based system, they've largely alleviated scale issues. It's native in Amazon but will also run in Azure. They have worked with cloud service providers to offer enough throughput at a cost reasonable for a corporation. Scaling was their biggest problem, and they've largely conquered those issues.
MD
SVP IT at AS IT Consulting Pvt. Ltd.
Offers comprehensive report generation while maintaining ease of integration
We need to improve Trellix ESM by making sure that most of the logging devices available in the global market should be covered, and if there is any device which is not covered, there should not be any additional charges for writing the custom parsers on that. We can add some new features regarding AI in the future for Trellix ESM, but the maturity will take a longer time. There are many false positives that happen in an environment during the first couple of months, or around six months, so the system analyst is not able to identify whether the event which has occurred is a true positive or a false positive.

Quotes from Members

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

Pros

"The initial setup is straightforward."
"With AlienVault you get everything in one box."
"You can customize the dashboards as well as the reporting."
"The most valuable features of AlienVault OSSIM are vulnerability assessment, network intrusion detection system, response to critical events, and awareness of the whole network."
"Technical support is excellent; they are very helpful and responsive."
"The open vault component and the checking of vulnerabilities are the most valuable features, and the page management helps with this, because if you know how your device is vulnerable at least you can do something about it."
"Asset discovery is good."
"I have worked with LogRhythm in the past, since 2015, and I find that AlienVault is a better product."
"The most valuable feature in ESM is its search and reporting feature. It's really nice."
"This solution integrates easily and very well with other technologies."
"The solution is 100% stable. We really have had a great time working with it. It hasn't let us down."
"You will definitely get a return on your investment if you develop the correct security management metrics and have decent operational procedures in place to take action on events in ESM."
"The most valuable feature of Trellix ESM, for detecting, is that it detects malware and viruses, such as a particular virus that was critical in Kenya; we used ESM to detect and block that particular virus completely."
"We use this solution for correlation, alerting, and log management."
"It has performed well and delivered the results that I have been looking for."
"I would tell potential customers that ESM has a feature called all in one box."
 

Cons

"The initial setup was not so easy, partly because the documentation was not up to date."
"The user interface needs to be friendlier across the board."
"The log collection is okay, but tracing the logs or tracing the events is a bit difficult."
"From a management console perspective and the maturity of the dashboards, I would probably put it slightly behind some of the other players that have been in the market for ages."
"When comparing AlienVault OSSIM to other solutions it looks a bit outdated. Additionally, they need to improve their integration."
"AlienVault OSSIM gives unwanted notifications."
"Lacking in depth of reporting."
"I would advise others to not implement it for any enterprise-level organization."
"The only issue I have with McAfee is the amount of computer resources that it takes... it's definitely impacting some of the other applications that are running on a computer at the same time."
"I had a couple of problems collecting Windows events."
"McAfee is no more providing security updates on this product, and the enhancements to this product seem to have stopped."
"The disk space needed for events is not clear. In all clients, we had at least more than 100GB free that we could not use."
"Customized reports and alerting functionality could be included in the dashboard."
"McAfee ESM is not able to cope with the advanced features."
"We would welcome integrations with some of the new McAfee acquisitions, e.g., behavioural analytics."
"McAfee has many issues with integration. I am looking for an end-to-end integration such as EDR, and Next-Generation SOC 2.0."
 

Pricing and Cost Advice

"AlienVault OSSIM is free."
"We are using the community version, which can be used for free."
"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."
"The solution is open source, so it's free to use."
"The licensing fees for the non-community edition are paid on an annual basis, and there are no costs in addition to this."
"OSSIM is free."
"AlienVault pricing is the best. Whatever cost you are paying, you are getting a return on every penny... It's not like your IBM, your QRadar, or Splunk, where the cost is too high."
"AlienVault OSSIM is expensive compared to its competitors."
"The licensing cost is based on EPS."
"We renew our license annually."
"When compared to IBM Security QRadar and other similar platforms, the pricing of McAfee ESM is reasonable and comparatively less expensive."
"The pricing is good, and they are competitive compared to providers such as RSA and IBM QRadar."
"The cost is dependent on the customer's environment and requirements."
"The pricing is fair."
"The price of McAfee ESM is higher than some of the other solutions. There are additional features that can be added at an additional fee."
"We pay for our licensing fees on a yearly basis, and there are no costs in addition to the standard licensing fees."
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Comparison Review

VS
Manager, Enterprise Risk Consulting at a tech company with 1,001-5,000 employees
Feb 26, 2015
HP ArcSight vs. IBM QRadar vs. ​McAfee Nitro vs. Splunk vs. RSA Security vs. LogRhythm
We at Infosecnirvana.com have done several posts on SIEM. After the Dummies Guide on SIEM, we are following it up with a SIEM Product Comparison – 101 deck. So, here it is for your viewing pleasure. Let me know what you think by posting your comments below. The key products compared here are…
 

Top Industries

By visitors reading reviews
Comms Service Provider
15%
Manufacturing Company
9%
Financial Services Firm
8%
University
8%
Construction Company
13%
Manufacturing Company
11%
Financial Services Firm
11%
Comms Service Provider
10%
 

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 Business15
Midsize Enterprise6
Large Enterprise25
 

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 is your primary use case for AlienVault OSSIM?
This solution is very similar to most of the other MSSPs that you would find out there. When I look at use cases, AlienVault was initially aimed at small to medium businesses. It grew, and that was...
What is your experience regarding pricing and costs for McAfee ESM?
When discussing Trellix ESM pricing and licensing, if you consider some premium product, the pricing also has to be premium, however, enterprise customers who look for a premium product, alongside ...
What needs improvement with McAfee ESM?
Areas of Trellix ESM that could be improved or enhanced include checking on the clients who are still on-prem, especially banks, as most are not moving everything to the cloud due to confidentialit...
What is your primary use case for McAfee ESM?
My customer's usual use case for Trellix ESM involves one client, as most of the users have moved to ESM. Nowadays, they don't use IPS only, since McAfee IPS is standalone; they incorporate firewal...
 

Also Known As

OSSIM
McAfee ESM, NitroSecurity, McAfee Enterprise Security Manager
 

Overview

 

Sample Customers

Council Rock School District
San Francisco Police Credit Union, Wªstenrot Gruppe, Volusion, California Department of Corrections & Rehabilitation, Government of New Brunswick, State of Colorado, Macquarie Telecom, Texas Tech University Health Sciences Center, Cologne Bonn Airport
Find out what your peers are saying about AlienVault OSSIM vs. Trellix ESM and other solutions. Updated: September 2026.
920,769 professionals have used our research since 2012.