AlienVault OSSIM vs ManageEngine EventLog Analyzer comparison

AT&T and ManageEngine 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 ManageEngine is ranked #48 with an average rating of 6.0. AT&T holds a 1.7% mindshare in SIEM, compared to ManageEngine’s 1.0% mindshare. Additionally, 80% of AT&T users are willing to recommend the solution, compared to 75% of ManageEngine users who would recommend it.

AlienVault OSSIM

Read 31 AlienVault OSSIM reviews

4,374 Views
4,287 Comparison Views

80% willing to recommend

ManageEngine EventLog Analyzer

Read 12 ManageEngine EventLog Analyzer reviews

2,243 Views
1,525 Comparison Views

75% willing to recommend

AlienVault OSSIM

ManageEngine EventLog Analyzer

Comparison Buyer's Guide

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Executive SummaryUpdated on Sep 18, 2024

ManageEngine EventLog Analyzer and AlienVault OSSIM are both prominent solutions in the SIEM market. Users express greater satisfaction with ManageEngine EventLog Analyzer’s pricing and support, whereas AlienVault OSSIM stands out with its comprehensive features despite higher costs.

Features: ManageEngine EventLog Analyzer is noted for robust log management, real-time alerting, and customizable reporting. AlienVault OSSIM is acclaimed for advanced threat intelligence, asset discovery, and Unified Security Management capabilities. The major difference is the comprehensive nature of AlienVault’s feature set, making it a preferred choice for users needing a broader security management toolset.

Room for Improvement: ManageEngine EventLog Analyzer users highlight the need for more scalable architecture and enhancements in forensic capabilities. AlienVault OSSIM users suggest improvements in documentation and a more user-friendly setup process. The differences lie in ManageEngine’s focus on performance scalability and AlienVault’s usability during initial configurations.

Ease of Deployment and Customer Service: ManageEngine EventLog Analyzer is appreciated for its straightforward deployment process and responsive customer support team. AlienVault OSSIM is recognized for its more complex setup but benefits from detailed technical support. The main distinction is the easier initial deployment of ManageEngine versus AlienVault’s in-depth support structure.

Pricing and ROI: ManageEngine EventLog Analyzer users rate the setup cost as affordable with a strong return on investment. AlienVault OSSIM, while perceived as more expensive, demonstrates a high return on investment due to its extensive feature set. The key difference is the upfront affordability of ManageEngine compared to the comprehensive value provided by AlienVault.

To learn more, read our detailed AlienVault OSSIM vs. ManageEngine EventLog Analyzer Report (Updated: February 2026).

Buyer's Guide

AlienVault OSSIM vs. ManageEngine EventLog Analyzer

February 2026

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Helped 881,733 peers since 2012

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

Ranking in other categories

No ranking in other categories

ManageEngine EventLog Analyzer

Ranking in Security Information and Event Management (SIEM)

48th

Average Rating

7.4

Reviews Sentiment

7.3

Number of Reviews

Ranking in other categories

Log Management (46th)

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 ManageEngine EventLog Analyzer is 1.0%, up from 0.9% compared to the previous year. It is calculated based on PeerSpot user engagement data.

Security Information and Event Management (SIEM) Market Share Distribution
Product	Market Share (%)
AlienVault OSSIM	1.7%
ManageEngine EventLog Analyzer	1.0%
Other	97.3%

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.

Read full review

Md Abdul Hakim

System Engineer at Corporate Projukti Limited

Efficient log management enhances activity monitoring despite VPN user issue

Last month, we faced an issue with a Hawaiian VPN user activity. It's like a Fortinet device configured for VPN users. When a VPN user logs in, it doesn't really capture the time before this. If you're testing with existing or new device integration, then the product will be good in the market.

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 initial setup is straightforward."

"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 threat policies of the solution are always very advanced and the best in the market. They are very persistent in terms of keeping up with security protocols."

"I recommend it due to the experience of the people running it."

"The most valuable feature is the logging capability."

"Network traffic analysis is highly efficient."

"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."

"You can customize the dashboards as well as the reporting."

More AlienVault OSSIM pros

"It's one of the easiest products. It's very simple to use."

"The user interface is very good."

"The support system is very good."

"I have made use of technical support and am certainly very satisfied with them."

"The log management has helped to improve my organization."

"The most valuable features of ManageEngine EventLog Analyzer are the number of capabilities, file integration monitoring, web server log collection, and alert configuration."

"The dashboard for administrators or assigned engineers can identify vulnerabilities, activities, infected systems, large files, or DDoS attacks."

"It is stable."

More ManageEngine EventLog Analyzer pros

Cons

"The initial setup was a bit complex. You've got to do a lot of reading. It's not an intuitive implementation."

"Sometimes technical issues take very long to get resolved."

"The documentation could be improved."

"The solution is not scalable."

"The correlation engine needs to 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."

"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."

More AlienVault OSSIM cons

"I would like to see more detailed reports."

"The solution should improve on its log capturing capabilities."

"The solution is stable. However, there are limits. For example, we can do 2,500 Syslog events per second, but if we want to do more we have to install the distributor structure, and then we can expand how many events we can do. They could improve the stability."

"The customization of reports could be a lot easier. It is not difficult but it could be made easier."

"Last month, we faced an issue with a Hawaiian VPN user activity."

"Support could improve to make the solution better."

"Last month, we faced an issue with a Hawaiian VPN user activity. It's like a Fortinet device configured for VPN users."

"The first tier of customer service and support is not great."

More ManageEngine EventLog Analyzer 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."

"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."

"AlienVault OSSIM is free."

"The tool's licensing costs are yearly."

"OSSIM is free."

"AlienVault OSSIM is expensive compared to its competitors."

"We are using the community version, which can be used for free."

More AlienVault OSSIM pricing and cost advice

"We paid for the license of the solution and the deployment. The price of ManageEngine EventLog Analyzer is less expensive than other solutions."

"There is a yearly subscription for the solution."

"There is a license required for these solutions. The customer can choose the license type, such as an annual license purchase or a perpetual license. If the customer wants maintenance they will have to pay annually."

"ManageEngine EventLog Analyzer is expensive. Its licensing costs are annual."

"Licensing for ManageEngine EventLog Analyzer is paid yearly."

"ManageEngine EventLog Analyzer is a low-cost solution. It costs approximately $1,000 per month per server for a perpetual license."

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Top Industries

By visitors reading reviews

Computer Software Company

13%

Comms Service Provider

11%

Financial Services Firm

Manufacturing Company

Computer Software Company

12%

Government

Healthcare Company

Comms Service Provider

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	4
Midsize Enterprise	7
Large Enterprise	2

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?

See all answers

What do you like most about ManageEngine EventLog Analyzer?

The reporting features are noteworthy, as they provide templates that streamline the process of generating reports

See all answers

What needs improvement with ManageEngine EventLog Analyzer?

See all answers

What is your primary use case for ManageEngine EventLog Analyzer?

I find this solution useful for IT devices as a live stream to work with Syshun, serving as both the router and the target. All activities are logged, and they can be accessed within one console. T...

See all answers

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Product Reports

Buyer's Guide

AlienVault OSSIM

February 2026

Download AlienVault OSSIM product report

Buyer's Guide

ManageEngine EventLog Analyzer

January 2026

Download ManageEngine EventLog Analyzer product report

Also Known As

OSSIM

EventLog Analyzer

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

Your organizations IT infrastructure generate huge amount of logs every day and these machine generated logs have vital information that can provide powerful insights and network security intelligence into user behaviors, network anomalies, system downtime, policy violations, internal threats, regulatory compliance, etc. However, the task of analyzing these event logs and syslogs without automated log analyzer tools can be both time-consuming and painful if done manually.

EventLog Analyzer provides the most cost-effective Security Information and Event Management (SIEM) software on the market. Using this Log Analyzer software, organizations can automate the entire process of managing terabytes of machine generated logs by collecting, analyzing, correlating, searching, reporting, and archiving from one central location. This event log analyzer software helps to monitor file integrity, conduct log forensics analysis, monitor privileged users and comply to different compliance regulatory bodies by intelligently analyzing your logs and instantly generating a variety of reports like user activity reports, historical trend reports, and more.

ManageEngine

Sample Customers

Council Rock School District

Moody National Bank, EnCircle, Goldleaf Financial Solutions, Inc, IBM, Ernst & Young, Micro Linear, Silverbeck-Rymer Solicitors, Provincial Court of British Columbia, Eleventh Judicial Circuit of Florida, OGILVY & MATHER, E! Entertainment, Tribune-Review Publishing Co.

Buyer's Guide

AlienVault OSSIM vs. ManageEngine EventLog Analyzer

February 2026

Free Report: AlienVault OSSIM vs. ManageEngine EventLog Analyzer

Find out what your peers are saying about AlienVault OSSIM vs. ManageEngine EventLog Analyzer and other solutions. Updated: February 2026.

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