AlienVault OSSIM vs Logz.io comparison

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AlienVault OSSIM

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Executive SummaryUpdated on Sep 18, 2024

AlienVault OSSIM and Logz.io are both prominent SIEM and log management solutions. AlienVault OSSIM offers more attractive pricing and support according to user reviews, but Logz.io offers advanced features which users find worth the extra cost.

Features: AlienVault OSSIM includes built-in threat intelligence, asset discovery, and vulnerability assessment. Logz.io is praised for its scalability, real-time analytics, and integration capabilities.

Room for Improvement: AlienVault OSSIM could improve its documentation, automation, and user interface. Logz.io needs better cost management tools, advanced alerting, and more comprehensive reporting features.

Ease of Deployment and Customer Service: AlienVault OSSIM is relatively easy to deploy but has challenges with the initial setup. Customer service is rated highly. Logz.io's deployment is straightforward, and their customer service is praised for responsiveness and expertise.

Pricing and ROI: AlienVault OSSIM is cost-effective with a notable ROI, attracting budget-conscious buyers. Logz.io, despite its higher initial setup cost, delivers strong ROI through its advanced capabilities.

To learn more, read our detailed AlienVault OSSIM vs. Logz.io Report (Updated: March 2026).

AlienVault OSSIM vs. Logz.io

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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

Ranking in other categories

No ranking in other categories

Logz.io

Ranking in Security Information and Event Management (SIEM)

48th

Average Rating

8.2

Reviews Sentiment

5.0

Number of Reviews

Ranking in other categories

Log Management (39th)

Mindshare comparison

As of March 2026, in the Security Information and Event Management (SIEM) category, the mindshare of AlienVault OSSIM is 1.6%, down from 4.1% compared to the previous year. The mindshare of Logz.io is 0.7%, up from 0.3% compared to the previous year. It is calculated based on PeerSpot user engagement data.

Security Information and Event Management (SIEM) Mindshare Distribution
Product	Mindshare (%)
AlienVault OSSIM	1.6%
Logz.io	0.7%
Other	97.7%

Security Information and Event Management (SIEM)

Featured Reviews

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.

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Derrick Brockel

Senior Manager of Operations at a comms service provider with 10,001+ employees

The solution is a consistent logging platform that provides excellent query mechanisms

We can query a lot of data points and build dashboards. The vendor is good at adjusting their models. Most companies want us to forecast our yearly use and pay it upfront on day one. With Logz.io, we commit to use 14 TB in a year. However, they measure us every month and give us a monthly bill. Depending on our monthly usage, we pay for 14 TB divided by 12 months or a little extra. It's a little bit more like AWS. Other solutions do not do it. They want their money upfront. We really like the dashboards. We have 36 sub-accounts. Each sub-account is an app, and we could put restrictions on that app. Previously, there were capacity restrictions on the sub-accounts. If we have a sub-account of 1 TB and use only 100 GB, we waste 900 GB that day. We could not share it between sub-accounts. Now, they provide an overhead volume. We do a reserve, and any sub-account could use anything over the reserve. It utilizes our footprint better.

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

"AlienVault OSSIM's GUI is very user-friendly."

"Technical support is excellent; they are very helpful and responsive."

"Asset discovery is good."

"The most valuable features of this solution are the data correlation and vulnerability assessment."

"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."

"The product is easy to use."

"The solution is free to use."

"The paid version of the solution has reporting and better scalability options."

More AlienVault OSSIM pros

"InsightOne is the main reason why we use LogMeIn. This is mostly because of log data that we are pushing tools and logs in general."

"Our team doesn't spend time setting up, managing, and tuning a logging platform, which frees them up to spend time on higher value pieces of work and allows our people to focus on the high-value business change work."

"We use the tool to track the dev and production environment."

"The other nice thing about Logz.io is their team. When it comes to onboarding, their support is incredibly proactive. They bring the brand experience from a customer services perspective because their team is always there to help you refine filters and tweak dashboards. That is really a useful thing to have. Their engagement is really supportive."

"The visualizations in Kibana are the most valuable feature; it's much more convenient to have a visualization of logs, and we can see status really clearly and very fast with just a couple of clicks."

"The tool is simple to setup where it is just plug and play. The tool is reliable and we never had any performance issues."

"It is massively useful and great for testing. We can just go, find logs, and attach them easily. It has a very quick lookup. Whereas, before we would have to go, dig around, and find the server that the logs were connected to, then go to the server, download the log, and attach it. Now, we can just go straight to this solution, type in the log ID and server ID, and obtain the information that we want."

"The query mechanism for response codes and application health is valuable."

More Logz.io pros

Cons

"The user interface could be improved."

"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."

"We need more dashboards and we need more customization for dashboards."

"AlienVault OSSIM should improve the deployment and make it unified like the USM."

"Sometimes it takes very long for your issue to get resolved."

"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."

"GUI could be improved."

"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."

More AlienVault OSSIM cons

"I would like granularity on alerting so we can get tentative alerts and major alerts, then break it down between the two, but they do have a lot of good alerting stuff in there already."

"When there are bugs in Logz.io, it increases our troubleshooting time by 200 percent or more."

"When it comes to reducing our troubleshooting time, it depends. When there are no bugs in Logz.io, it reduces troubleshooting by 5 to 10 percent. When there are bugs, it increases our troubleshooting time by 200 percent or more."

"The price can be cheaper and they should have better monitoring."

"The solution needs to improve its data retention. It should be greater than seven days. The product needs to improve its documentation as well."

"I would like them to improve how they manage releases. Logz.io occasionally releases an update that might break that integration."

"I would like them to improve how they manage releases. Some of our integrations integrate specifically with set versions. Logz.io occasionally releases an update that might break that integration. On one occasion, we found out a little bit too late, then we had to roll it back."

"The product needs improvement from a filtering perspective."

More Logz.io cons

Pricing and Cost Advice

"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 licensing fees for the non-community edition are paid on an annual basis, and there are no costs in addition to this."

"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."

"AlienVault OSSIM is an open-source solution."

"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."

"OSSIM is free."

"The solution is open source, so it's free to use."

More AlienVault OSSIM pricing and cost advice

"The product is a little expensive."

"The tool is an open source product."

"At the time it was set up, we thought Logz.io was very reasonable for what we were getting in terms of how much time and hosting costs it was saving us, because you don't have to run the servers for it anymore."

"The product's pricing is cheaper than other solutions."

"You pay for what you need, and that is a good model. They are also quite happy to talk to you about your uses and your use case. They will even go as far as suggesting things that you don't need to do in order to save you money. At one point, I was quite surprised at how cheap it could be if we wanted it to be or how much they would help us manage our costs."

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Top Industries

By visitors reading reviews

Comms Service Provider

12%

Manufacturing Company

Financial Services Firm

Computer Software Company

Manufacturing Company

12%

Computer Software Company

12%

Comms Service Provider

11%

Financial Services Firm

11%

Company Size

By reviewers

Large Enterprise

Midsize Enterprise

Small Business

By reviewers
Company Size	Count
Small Business	18
Midsize Enterprise	9
Large Enterprise	8

By reviewers
Company Size	Count
Small Business	3
Midsize Enterprise	1
Large Enterprise	7

Questions from the Community

What do you like most about AlienVault OSSIM?

Asset discovery is good.

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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...

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What needs improvement with AlienVault OSSIM?

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Product Reports

AlienVault OSSIM

Download AlienVault OSSIM product report

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Also Known As

OSSIM

Logz

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

Logz.io is a leading cloud-native observability platform that enables engineers to use the best open source tools in the market without the complexity of operating, managing, and scaling them. Logz.io offers four products: Log Management built on ELK, Infrastructure Monitoring based on Prometheus, Distributed Tracing based on Jaeger, and an ELK-based Cloud SIEM. These are offered as fully managed, integrated cloud services designed to help engineers monitor, troubleshoot and secure their distributed cloud workloads more effectively. Engineering driven companies like Siemens, Unity and ZipRecruiter use Logz.io to simplify monitoring and security workflows, increasing developer productivity, reducing time to resolve issues, and increasing the performance and security of their mission-critical applications.

Sample Customers

Council Rock School District

Dish Network, The Economist, Forbes, Holler, Kenshoo, OneSpan, Siemens, Sisense, Unity, ZipRecruiter

AlienVault OSSIM vs. Logz.io