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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 #12 with an average rating of 7.2, while SolarWinds is ranked #36 with an average rating of 7.5. AT&T holds a 2.2% mindshare in SIEM, compared to SolarWinds’s 0.8% 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
  • 4,342 Views
  • 4,255 Comparison Views
80% willing to recommend
SolarWinds Security Event M...
Read 27 SolarWinds Security Event Manager reviews
  • 1,311 Views
  • 1,232 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: December 2025).
Buyer's Guide
AlienVault OSSIM vs. SolarWinds Security Event Manager
December 2025
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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)
12th
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 December 2025, in the Security Information and Event Management (SIEM) category, the mindshare of AlienVault OSSIM is 2.2%, down from 4.4% compared to the previous year. The mindshare of SolarWinds Security Event Manager is 0.8%, up from 0.5% 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 OSSIM2.2%
SolarWinds Security Event Manager0.8%
Other97.0%
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

"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."
"The solution has a very good open source community, and whenever we have problems, we are always able to resolve it online."
"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."
"Inbuilt IDS, inbuilt integration with threat intelligence platform and with vulnerability assessment modules."
"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."
"AlienVault OSSIM's GUI is very user-friendly."
"The most valuable feature is the logging capability."
"Network traffic analysis is highly efficient."
More AlienVault OSSIM pros
"It performs network behavior monitoring, log monitoring, and disaster recovery monitoring."
"The most valuable feature is the ease of use for the end user."
"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 has in-depth monitoring capabilities and an easy way for setting up dashboards. I can expand in various areas, or I can reduce areas. It supports different types of breakdowns, filters, and rules. It is very simple for an out-of-the-box type of product. It doesn't take a lot of time to figure it out, which is unlike some of the solutions that I have looked at. It meets all the aspects."
"The solution helps you monitor database instances, application instances, other customer application things, Linux servers, IBM servers, and Oracle servers."
"We did previously use a different solution, but SolarWinds is much better. It's easy to interact with SolarWinds. It's easy to operate, easy to configure and is generally easier compared to what we were working with before."
"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."
"It's easy to build rules and actions based on the logs and event types we collect with the software."
More SolarWinds Security Event Manager pros
 

Cons

"The user interface could be improved."
"AlienVault OSSIM is costly."
"GUI could be improved."
"There needs to be more support or some kind of training program so users can self-learn the system more effectively."
"The user interface needs to be friendlier across the board."
"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."
"The solution is not scalable."
"The documentation could be improved."
More AlienVault OSSIM cons
"There is no correlation made between log entries, so no threat information is presented."
"SolarWinds should improve its correlation capabilities. The correlation does not automatically detect and reduce the events fast enough. You have to manually do a correlation report, which means the tool is not scalable in many ways."
"There are no multiple dashboards which would allow you to see information side-by-side."
"I think the customization area in the tool can be considered as an area of concern where improvements are required."
"The log analyzing capability of SolarWinds Security Event Manager should go into more depth than the current environment."
"The solution's technical support is okay, but we don't have an SLA, and sometimes the response times are very slow."
"I would like to be able to dig deeper into the visibility of events or incidents to determine whether they are malicious, such as by doing behavior analysis."
"The only issue is the pricetag. SolarWinds is a costly solution."
More SolarWinds Security Event Manager cons
 

Pricing and Cost Advice

"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."
"AlienVault OSSIM is an open-source solution."
"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 OSSIM is free."
"The tool's licensing costs are yearly."
"We are using the community version, which can be used for 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."
More AlienVault OSSIM pricing and cost advice
"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 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."
"The price of SolarWinds Security Event Manager is reasonable."
"It is in the appropriate mid-range. It is not as expensive as some of the other solutions. It is also not cheap."
"Licensing is on devices, so if you have many, then this may be high."
"The pricing model would benefit from having package deals with other SolarWinds products."
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Top Industries

By visitors reading reviews
Computer Software Company
13%
Comms Service Provider
13%
Financial Services Firm
9%
Manufacturing Company
8%
Financial Services Firm
11%
University
11%
Manufacturing Company
10%
Computer Software Company
7%
 

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 do you like most about SolarWinds Security Event Manager ?
The solution helps you monitor database instances, application instances, other customer application things, Linux servers, IBM servers, and Oracle servers.
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
 

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Product Reports

Buyer's Guide
AlienVault OSSIM
December 2025
AlienVault OSSIM reportDownload AlienVault OSSIM product report
Buyer's Guide
SolarWinds Security Event Manager
December 2025
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
December 2025
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: December 2025.
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