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AlienVault OSSIM vs CrowdStrike Falcon Next-Gen SIEM comparison

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Comparison Buyer's Guide

Executive Summary

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
CrowdStrike Falcon Next-Gen...
Ranking in Security Information and Event Management (SIEM)
31st
Average Rating
8.8
Reviews Sentiment
5.6
Number of Reviews
20
Ranking in other categories
No ranking in other categories
 

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.
KS
IAM Senior Software Engineer at MGM Resorts International
Centralized log onboarding has transformed root-cause analysis and streamlined alert-driven triage
I do not use automations within CrowdStrike Falcon Next-Gen SIEM at this point, but that is something that we want to do in the future. Maybe I did not experiment or did not investigate, but if we can get alerts based upon the CPU utilizations and the metrics over there, probably that would make this one tool used for everything. Actually, the circumstances that prompted my company to explore new SIEM solutions maybe include a point where the storage space or the license that we have, probably compared to other SIEM products, they have more, or the pricing and sales that go into the picture there. Again, that is above my pay grade to comment on, but it probably could be better if we can provide more storage of the data for the license that has been provided for organizations.

Quotes from Members

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

Pros

"The solution has a very good open source community, and whenever we have problems, we are always able to resolve it online."
"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 helped us remediate threats in the past by providing significant events that assisted in identifying suspicious activities, such as logins from multiple countries."
"I have deployed it widely because I find that it gives value for money."
"The paid version of the solution has reporting and better scalability options."
"The most valuable feature is the logging capability."
"You pay monthly for the solution. I think it's one of the best products. If you compare with other companies, like LogRhythm, etc., the top 8 or 10 CMs, I think Alien Vault has the best price-performance ratio."
"The most valuable features of this solution are the data correlation and vulnerability assessment."
"CrowdStrike Falcon Next-Gen SIEM is a very vast tool, and while we discussed it, it can be used for many purposes, but we are using it only for the log onboarding at this point."
"The best features that CrowdStrike Falcon Next-Gen SIEM offers are the extensive integration of different vendors using the simple option of a predefined data connector that already has a parser, and if not, via the HTTP Universal Connector, which makes integration very easy in every respect."
"CrowdStrike Falcon Next-Gen SIEM has significantly changed the speed at which our team searches, investigates, and responds to security events because it provides a comprehensive overview of network activities."
"CrowdStrike Falcon Next-Gen SIEM played a significant role in my investigations by helping me move from searching across separate tools to investigating activity in a more unified interface."
"The search and query language stand out for me because they are more flexible and composable compared to other tools I have used, such as QRadar or ArcSight."
"CrowdStrike Falcon Next-Gen SIEM has changed the speed at which my team searches, investigates, and responds to security events very much quicker."
"I have noticed significant improvements in the speed and effectiveness of my security analyses since I started using this tool."
"The feature I like the most about CrowdStrike Falcon Next-Gen SIEM is the speed, as it has changed the speed at which my team searches, investigates, and responds to security events, with things going from days to minutes or hours."
 

Cons

"Sometimes it takes very long for your issue to get resolved."
"AlienVault OSSIM’s configuration and integration could be a little easier."
"ArcSight works better than AlienVault right now."
"The log collection is okay, but tracing the logs or tracing the events is a bit difficult."
"I suggest more in-built rules based on modern threats and environments to make it a more competitive solution."
"I don't like to work on OSSIM because it is unpredictable."
"When comparing AlienVault OSSIM to other solutions it looks a bit outdated. Additionally, they need to improve their integration."
"The user interface needs to be friendlier across the board."
"CrowdStrike Falcon Next-Gen SIEM could improve in the whole data ingestion and processing pipeline, as well as the storage capacity, to extend it beyond one year."
"CrowdStrike Falcon Next-Gen SIEM can be improved with the Fusion Workflow. Some integrations, specifically APIs, could be improved because there are so many different formats, so it's not consistent."
"The number one thing that would be an improvement for me is making dashboard creation easier."
"I think CrowdStrike Falcon Next-Gen SIEM could be improved with optimization of the internal audit process because today not all internal metrics are reflected in CrowdStrike's internal logs in the internal log repositories."
"CrowdStrike Falcon Next-Gen SIEM can be improved by being more user-friendly."
"CQL is more complex than other query languages like KQL, which raises the learning curve for some team members. Charlotte AI is not yet delivering the quality of competing AI solutions. Licensing can be complex across modules (mitigated by a good account manager, but still a platform-side issue). No standout advantage over other top-tier SIEMs in actual investigations or incidents, as long as configuration is done properly — the differentiator is integration and speed, not analytical depth."
"My opinion about the artificial intelligence is that Charlotte works well, but it is not entirely intelligent; sometimes it is better to use our own Anthropic or OpenAI models for better results."
"Maybe I did not experiment or did not investigate, but if we can get alerts based upon the CPU utilizations and the metrics over there, probably that would make this one tool used for everything."
 

Pricing and Cost Advice

"The solution is open source, so it's free to use."
"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 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."
"AlienVault OSSIM is free."
"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 licensing fees for the non-community edition are paid on an annual basis, and there are no costs in addition to this."
"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."
Information not available
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Top Industries

By visitors reading reviews
Comms Service Provider
15%
Manufacturing Company
9%
Financial Services Firm
8%
University
8%
Wholesaler/Distributor
27%
Hospitality Company
26%
Comms Service Provider
17%
Outsourcing 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
Midsize Enterprise3
Large Enterprise17
 

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 f...
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 CrowdStrike Falcon Next-Gen SIEM?
Pricing, setup costs, and licensing of CrowdStrike Falcon Next-Gen SIEM is not my area.
What needs improvement with CrowdStrike Falcon Next-Gen SIEM?
I do not use automations within CrowdStrike Falcon Next-Gen SIEM at this point, but that is something that we want to do in the future. Maybe I did not experiment or did not investigate, but if we ...
What is your primary use case for CrowdStrike Falcon Next-Gen SIEM?
I work on Identity Governance for this solution. We onboard the logs into the SIEM, into CrowdStrike Falcon, and we ensure that we get alerts on time and create dashboards using that data. Our work...
 

Also Known As

OSSIM
No data available
 

Overview

 

Sample Customers

Council Rock School District
Information Not Available
Find out what your peers are saying about AlienVault OSSIM vs. CrowdStrike Falcon Next-Gen SIEM and other solutions. Updated: November 2026.
921,523 professionals have used our research since 2012.