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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 7.4, while SolarWinds is ranked #36 with an average rating of 7.7. AT&T holds a 1.4% mindshare in SIEM, compared to SolarWinds’s 1.0% 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
  • 4,551 Views
  • 4,460 Comparison Views
80% willing to recommend
SolarWinds Security Event M...
Read 27 SolarWinds Security Event Manager reviews
  • 2,192 Views
  • 2,104 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: April 2026).
Buyer's Guide
AlienVault OSSIM vs. SolarWinds Security Event Manager
April 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)
36th
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 April 2026, in the Security Information and Event Management (SIEM) category, the mindshare of AlienVault OSSIM is 1.4%, down from 3.8% compared to the previous year. The mindshare of SolarWinds Security Event Manager is 1.0%, up from 0.6% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Security Information and Event Management (SIEM) Mindshare Distribution
ProductMindshare (%)
AlienVault OSSIM1.4%
SolarWinds Security Event Manager1.0%
Other97.6%
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

"The solution is very stable. Compared to Qradar and Splunk, it's very stable."
"There are a lot of people you will find using OSSIM since they are also offering OTX as a service"
"Technical support is excellent; they are very helpful and responsive."
"Asset discovery is good."
"Better than other SIEM solutions because almost everything can be integrated."
"The solution has a very good open source community, and whenever we have problems, we are always able to resolve it online."
"The most valuable feature is the logging capability."
"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."
More AlienVault OSSIM pros
"If you have no monitoring tool in place, SolarWinds SIEM is a good place to start and very inexpensive."
"The solution helps me to go back in time and search for different events. For example, if you wanted to know who activated an account; you could go back in time and find out."
"SolarWinds has provided greater visibility into incidents and activities on the network."
"The most valuable feature of SolarWinds Security Event Manager is the analysis and the knowledge about the incidence that we trace."
"The most valuable feature of this solution is the visibility into both attempted and failed logins."
"The out of the box reports and dashboard. It was easy to trim down these windows to something we could quickly use."
"The most valuable feature is the reporting."
"It's extremely easy to deploy."
More SolarWinds Security Event Manager pros
 

Cons

"The solution needs more integration with cyber intelligence systems. Our customers want to use a single tool for managing cybersecurity."
"The documentation could be improved."
"AlienVault OSSIM’s configuration and integration could be a little easier."
"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."
"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."
"There needs to be more focus on the NOC and IIS in terms of developing applications for behavior detection."
"It's under heavy traffic. If you have heavy traffic, the system is slow."
"The incidence reporting could be better."
More AlienVault OSSIM cons
"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."
"I think the customization area in the tool can be considered as an area of concern where improvements are required."
"There is no correlation made between log entries, so no threat information is presented."
"One of the drawbacks of being so flexible is that it is also a fairly complicated software application to install, configure, and maintain."
"The company had to use a third party for the implementation of the solution."
"I imagine we will have to develop our own reports soon, this seems to be more cumbersome."
"There is no correlation made between log entries, so no threat information is presented."
"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

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

By visitors reading reviews
Comms Service Provider
14%
Manufacturing Company
9%
Computer Software Company
8%
Educational Organization
8%
Financial Services Firm
15%
Manufacturing Company
11%
Construction Company
10%
University
8%
 

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
 

Comparisons

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Product Reports

Buyer's Guide
AlienVault OSSIM
April 2026
AlienVault OSSIM reportDownload AlienVault OSSIM product report
Buyer's Guide
SolarWinds Security Event Manager
March 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
April 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: April 2026.
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