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AlienVault OSSIM vs Trellix ESM 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)
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)
31st
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 June 2026, in the Security Information and Event Management (SIEM) category, the mindshare of AlienVault OSSIM is 1.2%, down from 3.6% compared to the previous year. The mindshare of Trellix ESM is 1.0%, up from 1.0% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Security Information and Event Management (SIEM) Mindshare Distribution
ProductMindshare (%)
AlienVault OSSIM1.2%
Trellix ESM1.0%
Other97.8%
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
Senior Vice President 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

"Its user-friendliness is the most valuable. It is very easy to use and explore. The dashboard is very well packaged and integrated. You don't have to spend a lot of time in configuring it and checking out the RPM etc. It is also free and very powerful."
"OSSIM is the only solution that includes the large number of modules that we need: a vulnerability scanner, a network IDS system, a host IDS system."
"A very good feature of AlienVault OSSIM is that it has many domains that can be integrated from different solutions."
"It is a perfectly nice and free tool for compliance testing, assessment, and some basic vulnerability."
"I have deployed it widely because I find that it gives value for money."
"The threat alerts it gives me from time to time on harmful code within the network, or if they are generating any network traffic, are very useful."
"AlienVault OSSIM is an enterprise solution that sells easily. It is rated highly by organizations."
"This solution is very stable; it runs on a Linux box, you only interface with it through the GUI, it works behind the scenes, and it has never crashed in the time that I have used it."
"It has good technical support, which is available around the clock. You can call up anytime and get whatever you want. My queues are resolved."
"Trellix ESM utilizes fewer human resources and improves security and visibility."
"The most valuable feature is for the security operation center because it provides visibility of all traffic within the company infrastructure."
"If a customer is specifically looking for log and event analysis, with the correlations, then this solution is a good choice."
"McAfee is the right choice for a low-budget solution."
"It blocks the things which are not to be allowed. It has an adaptive mode where it learns for itself."
"The solution is 100% stable. We really have had a great time working with it. It hasn't let us down."
"We use this solution for correlation, alerting, and log management."
 

Cons

"AlienVault OSSIM’s configuration and integration could be a little easier."
"The log collection is okay, but tracing the logs or tracing the events is a bit difficult."
"GUI could be improved."
"The incidence reporting could be better."
"The correlation engine needs to be improved."
"Lacking in depth of reporting."
"There needs to be more support or some kind of training program so users can self-learn the system more effectively."
"It takes some time. It does not give me a prompt response for any such [malicious] traffic. It takes time to get that alert from the AlienVault system."
"McAfee has many issues with integration. I am looking for an end-to-end integration such as EDR, and Next-Generation SOC 2.0."
"The solution needs to improve case management. The UI is confusing."
"The product documentation is good, but could be better. Also a bug-free version would be nice as the version I worked on had a bug in the alarm system."
"Tech support is required each time there is a system update of the solution."
"I had a couple of problems collecting Windows events."
"Just like any other software/hardware platform, once in awhile we have issues with software bugs, but McAfee's support is good in helping to fix these issues in a timely manner."
"The product's stability is an area of concern where improvements are required."
"Product currently requires Flash."
 

Pricing and Cost Advice

"The solution is open source, so it's free to use."
"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."
"When comparing AlienVault OSSIM to Microsoft Sentinel, AlienVault OSSIM incurs additional costs due to its licensing price structure. If you are using AlienVault for security purposes at a certain level it can have a higher price point than the current pricing of Microsoft Sentinel."
"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."
"I used the paid version of the tool and found it to be expensive. It has been a while since I changed to Securonix. I will have to check whether AlienVault charges per device, user, or log."
"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."
"We are using the community version, which can be used for free."
"McAfee is the right choice for a low-budget solution."
"The pricing is fair."
"It is an inexpensive product. We purchase its yearly license."
"When compared to IBM Security QRadar and other similar platforms, the pricing of McAfee ESM is reasonable and comparatively less expensive."
"The licensing cost is based on EPS."
"The pricing is good, and they are competitive compared to providers such as RSA and IBM QRadar."
"Regarding pricing, Trellix ESM is not that expensive. It's less than half the cost of IBM QRadar."
"The product is slightly expensive."
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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
14%
Financial Services Firm
8%
Computer Software Company
8%
Manufacturing Company
7%
Comms Service Provider
14%
Construction Company
13%
Financial Services Firm
10%
Manufacturing Company
9%
 

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: June 2026.
900,747 professionals have used our research since 2012.