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AlienVault OSSIM vs SolarWinds Security Event Manager comparison

AT&T and SolarWinds are both solutions in the Security Information and Event Management (SIEM) category. AT&T is ranked #13 with an average rating of 7.2, while SolarWinds is ranked #34 with an average rating of 7.7. AT&T holds a 1.7% mindshare in SIEM, compared to SolarWinds’s 0.9% mindshare. Additionally, 80% of AT&T users are willing to recommend the solution, compared to 82% of SolarWinds users who would recommend it.
AlienVault OSSIM
Read 31 AlienVault OSSIM reviews
  • 4,374 Views
  • 4,287 Comparison Views
80% willing to recommend
SolarWinds Security Event M...
Read 27 SolarWinds Security Event Manager reviews
  • 1,612 Views
  • 1,531 Comparison Views
82% willing to recommend
 

Comparison Buyer's Guide

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Executive SummaryUpdated on Sep 18, 2024

SolarWinds Security Event Manager and AlienVault OSSIM are leading products in the security event management category. SolarWinds has an edge in support and pricing, while AlienVault is preferred for its robust features.

Features: SolarWinds Security Event Manager is praised for its log management, automated threat detection, and compliance reporting. AlienVault OSSIM integrates with other security tools, offering comprehensive asset discovery, vulnerability assessment, and behavior monitoring.

Room for Improvement: SolarWinds could benefit from a more streamlined configuration process and enhanced scalability options. AlienVault needs better documentation and improved performance handling larger data sets.

Ease of Deployment and Customer Service: SolarWinds Security Event Manager is noted for its straightforward deployment and exceptional customer service. AlienVault OSSIM, while more complex to deploy, offers extensive integrations but has mixed reviews on customer service responsiveness.

Pricing and ROI: SolarWinds Security Event Manager is favored for its transparent pricing and good return on investment. AlienVault OSSIM, considered more costly, justifies its price through its rich feature set and comprehensive security functionalities.

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To learn more, read our detailed AlienVault OSSIM vs. SolarWinds Security Event Manager Report (Updated: February 2026).
Buyer's Guide
AlienVault OSSIM vs. SolarWinds Security Event Manager
February 2026
Download the complete report
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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)
13th
Average Rating
7.4
Reviews Sentiment
7.1
Number of Reviews
31
Ranking in other categories
No ranking in other categories
SolarWinds Security Event M...
Ranking in Security Information and Event Management (SIEM)
34th
Average Rating
7.8
Reviews Sentiment
5.7
Number of Reviews
27
Ranking in other categories
No ranking in other categories
 

Mindshare comparison

As of February 2026, in the Security Information and Event Management (SIEM) category, the mindshare of AlienVault OSSIM is 1.7%, down from 4.2% compared to the previous year. The mindshare of SolarWinds Security Event Manager is 0.9%, up from 0.6% 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 OSSIM1.7%
SolarWinds Security Event Manager0.9%
Other97.4%
Security Information and Event Management (SIEM)
 

Featured Reviews

BP
Brandon Pearce
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.
Read full review
Yashokanth Partkunan - PeerSpot reviewer
Yashokanth Partkunan
Managed Services Engineer at Loop1 Systems
Has supported client needs efficiently but requires deeper analysis features and faster support
The log analyzing capability of SolarWinds Security Event Manager should go into more depth than the current environment. More modification and enhancements are required on the dashboard side in order to make it closer to optimal performance. From observation and feedback from users, they need more functionality related to monitoring, and in-depth analyzing needs to be improved.
Read full review

Quotes from Members

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

Pros

"Network traffic analysis is highly efficient."
"The solution has a very good open source community, and whenever we have problems, we are always able to resolve it online."
"The tool's security detection is good. It helps us with login tracking and generating reports. We aim to identify potential issues, such as brute-force attacks on user accounts or server-level anomalies. For instance, if I receive a report indicating a server is at an abnormal level, I investigate and address the issue."
"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 most valuable features of AlienVault OSSIM are vulnerability assessment, network intrusion detection system, response to critical events, and awareness of the whole network."
"With AlienVault you get everything in one box."
"Inbuilt IDS, inbuilt integration with threat intelligence platform and with vulnerability assessment modules."
"Asset discovery is good."
More AlienVault OSSIM pros
"It's extremely easy to deploy."
"This tool is simple to use."
"The product's most effective part in improving security stems from the fact that the solution is deployed for event management, log viewing, and information management."
"User-friendly configuration is key, and the configurations are simple, not complex."
"Some of the rules are most valuable because you can be notified about various things, such as spyware or things that are going on in the internal network."
"We had to integrate with other teams, and the infrastructure deployment didn't take long. The integration involves learning with different teams, networking, and configuring various network devices and servers. Infrastructure deployment only took one or two days."
"It's easy to build rules and actions based on the logs and event types we collect with the software."
"The out of the box reports and dashboard. It was easy to trim down these windows to something we could quickly use."
More SolarWinds Security Event Manager pros
 

Cons

"The price of this solution is very high and it could be cheaper."
"There needs to be more support or some kind of training program so users can self-learn the system more effectively."
"When comparing AlienVault OSSIM to other solutions it looks a bit outdated. Additionally, they need to improve their integration."
"Sometimes technical issues take very long to get resolved."
"AlienVault OSSIM could improve by having better integration with some of the newer tools."
"I would like the solution to be able to integrate with my firewall, my IDS and my Honeypot solutions so that it can provide real-time reporting as things occur and then have alert sent to me on my phone when suspicious activity is happening."
"We need more dashboards and we need more customization for dashboards."
"AlienVault OSSIM’s configuration and integration could be a little easier."
More AlienVault OSSIM cons
"It won't tell you when your backups are failing, but it will give you hints when your database is running on full recovery."
"The product should improve the ease with which you can create event alerts. They are not as hard now but you need to have an easier way."
"We used the support from SolarWinds Security Event Manager and they are knowledgeable but challenging to get in contact with them."
"I don't think SolarWinds is scalable enough. It is somewhat limited when I need to deploy it across multiple environments in a distributed architecture."
"The only issue is the pricetag. SolarWinds is a costly solution."
"There is no correlation made between log entries, so no threat information is presented."
"We have automated threat detection in the Alliance Security, Antoinette. However, if these features could be further enhanced, it would simplify my work, potentially allowing me to allocate more time to address complex issues."
"There are no multiple dashboards which would allow you to see information side-by-side."
More SolarWinds Security Event Manager cons
 

Pricing and Cost Advice

"We are using the community version, which can be used for free."
"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."
"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."
"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 an open-source solution."
"The tool's licensing costs are yearly."
"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."
More AlienVault OSSIM pricing and cost advice
"The tool is available at a good price for customers compared to other solutions in the market. I rate the product's price as an eight out of ten."
"Licensing is on devices, so if you have many, then this may be high."
"Licenses can only be purchased in blocks of fifty at a time."
"We do a yearly license renewal. For a year, the solution costs roughly $500,000 USD. There are no costs beyond this yearly fee."
"The price of SolarWinds Security Event Manager is reasonable."
"The pricing model would benefit from having package deals with other SolarWinds products."
"It is in the appropriate mid-range. It is not as expensive as some of the other solutions. It is also not cheap."
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Top Industries

By visitors reading reviews
Computer Software Company
13%
Comms Service Provider
11%
Financial Services Firm
9%
Manufacturing Company
8%
Financial Services Firm
14%
Manufacturing Company
11%
University
10%
Marketing Services Firm
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 Business19
Midsize Enterprise3
Large Enterprise7
 

Questions from the Community

What do you like most about AlienVault OSSIM?
Asset discovery is good.
See all answers
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...
See all answers
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...
See all answers
What is your experience regarding pricing and costs for SolarWinds Security Event Manager ?
The tool is available at a good price for customers compared to other solutions in the market. I rate the product's price as an eight out of ten.
See all answers
What needs improvement with SolarWinds Security Event Manager ?
The log analyzing capability of SolarWinds Security Event Manager should go into more depth than the current environment. More modification and enhancements are required on the dashboard side in or...
See all answers
What is your primary use case for SolarWinds Security Event Manager ?
I work with all SolarWinds products mostly, including Network Configuration Manager and NPM. I am a reseller. I usually recommend SolarWinds products for Loop1. It's for the bigger ones; we are the...
See all answers
 

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Product Reports

Buyer's Guide
AlienVault OSSIM
February 2026
AlienVault OSSIM reportDownload AlienVault OSSIM product report
Buyer's Guide
SolarWinds Security Event Manager
January 2026
SolarWinds Security Event Manager reportDownload SolarWinds Security Event Manager product report
 

Also Known As

OSSIM
SolarWinds LEM, Solarwinds SIEM, TriGeo, Log and Event Manager
 

Overview

AlienVault OSSIM, Open Source Security Information and Event Management (SIEM), provides you with a feature-rich open source SIEM complete with event collection, normalization and correlation. Launched by security engineers because of the lack of available open source products, AlienVault OSSIM was created specifically to address the reality many security professionals face: A SIEM, whether it is open source or commercial, is virtually useless without the basic security controls necessary for security visibility.

AT&T

When TriGeo was acquired by SolarWinds, TriGeo SIM became known as SolarWinds Log & Event Manager. This product is a leading Security Information and Event Management (SIEM) product and log management solution, which provides log collection, analysis, and real-time correlation.

SolarWinds
 

Sample Customers

Council Rock School District
NetSuite, EasyStreet, Legacy Texas Bank, and Energy Federal Credit Union, to name a few.
Buyer's Guide
AlienVault OSSIM vs. SolarWinds Security Event Manager
February 2026
Free Report: AlienVault OSSIM vs. SolarWinds Security Event Manager
Find out what your peers are saying about AlienVault OSSIM vs. SolarWinds Security Event Manager and other solutions. Updated: February 2026.
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