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ManageEngine EventLog Analyzer vs Security Onion comparison

 

Comparison Buyer's Guide

Executive SummaryUpdated on Oct 9, 2024

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

ManageEngine EventLog Analyzer
Ranking in Log Management
36th
Average Rating
7.4
Reviews Sentiment
7.3
Number of Reviews
12
Ranking in other categories
Security Information and Event Management (SIEM) (42nd)
Security Onion
Ranking in Log Management
24th
Average Rating
7.4
Reviews Sentiment
7.2
Number of Reviews
5
Ranking in other categories
No ranking in other categories
 

Mindshare comparison

As of August 2026, in the Log Management category, the mindshare of ManageEngine EventLog Analyzer is 1.2%, up from 0.9% compared to the previous year. The mindshare of Security Onion is 1.8%, down from 4.8% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Log Management Mindshare Distribution
ProductMindshare (%)
Security Onion1.8%
ManageEngine EventLog Analyzer1.2%
Other97.0%
Log Management
 

Featured Reviews

Md Abdul Hakim - PeerSpot reviewer
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.
HJ
Manager at teshama
Centralized threat monitoring has improved visibility but demands complex setup and configuration
The best features Security Onion offers include acting as the intrusion detection system in my organization and helping me to address traffic, logs, and events happening within the organization. Since Security Onion is an open-source system that integrates with tools like Suricata and Zeek with the ELK stack, it enables threat detection and response capabilities, delivering high-level security measures at a cost, making it suitable for businesses of varying skill levels. These integrations with Suricata and Zeek have greatly impacted our workflow and our team's effectiveness by helping us address issues such as identifying intrusions, evaluating threats, and overseeing log files. This tool is very cost-effective, making it suitable for any size of organization wanting to use it.

Quotes from Members

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

Pros

"The support system is very good."
"I have made use of technical support and am certainly very satisfied with them."
"Our primary use case for this solution is detecting issues to provide customers with information."
"The most valuable features of ManageEngine EventLog Analyzer are the number of capabilities, file integration monitoring, web server log collection, and alert configuration."
"ManageEngine EventLog Analyzer is easy to gather reports to give to management. My supervisor has access to the solution and he enjoys the graphs."
"The log management has helped to improve my organization."
"ManageEngine EventLog Analyzer was a lower-cost alternative, and it was easier to install and manage."
"The dashboard for administrators or assigned engineers can identify vulnerabilities, activities, infected systems, large files, or DDoS attacks."
"Security Onion has positively impacted my organization by greatly improving our security posture, making alert triage easier to handle, simplifying the analysis of threats, and decreasing the cost of threat analysis and detection."
"We use Security Onion for internal vulnerability assessment."
"Security Onion is a completely open-source and free platform, making it a cost-effective solution that works smoothly and effectively for our organization."
"The most valuable feature of Security Onion for security monitoring is its ability to find infected ports."
"Security Onion is the most mature solution in the market."
 

Cons

"There's a lot to improve in terms of connectivity. Currently, we're utilizing it across various infrastructures and environments, including others' cloud. However, connecting it to our infrastructure and integrating it with some of our SMAX solutions poses difficulties."
"Last month, we faced an issue with a Hawaiian VPN user activity. It's like a Fortinet device configured for VPN users."
"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."
"It may not be as easy to use as Splunk."
"The scalability is limited."
"The customization of reports could be a lot easier. It is not difficult but it could be made easier."
"Support could improve to make the solution better."
"The first tier of customer service and support is not great, and additional upgrades could be included."
"The product is not easy to learn."
"Security Onion can be made easier to set up initially, as it is somewhat difficult at the start, but once configured, it becomes a great tool to use."
"For Security Onion, setting up and configuring the system can be quite challenging for newcomers due to the need for a grasp of networking and security concepts."
"Security Onion's user interface could be improved."
"The initial setup of the solution is a little bit difficult."
 

Pricing and Cost Advice

"There is a yearly subscription for the solution."
"We paid for the license of the solution and the deployment. The price of ManageEngine EventLog Analyzer is less expensive than other solutions."
"ManageEngine EventLog Analyzer is expensive. Its licensing costs are annual."
"ManageEngine EventLog Analyzer is a low-cost solution. It costs approximately $1,000 per month per server for a perpetual license."
"Licensing for ManageEngine EventLog Analyzer is paid yearly."
"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."
"It is an open-source solution."
"Security Onion is an open-source solution."
"Security Onion is a free solution."
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Top Industries

By visitors reading reviews
Computer Software Company
10%
Financial Services Firm
8%
Comms Service Provider
8%
Construction Company
7%
University
12%
Comms Service Provider
12%
Government
10%
Construction Company
7%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business4
Midsize Enterprise7
Large Enterprise3
No data available
 

Questions from the Community

What needs improvement with ManageEngine EventLog Analyzer?
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 yo...
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...
What needs improvement with Security Onion?
For Security Onion, setting up and configuring the system can be quite challenging for newcomers due to the need for a grasp of networking and security concepts. The specific challenges that make t...
What advice do you have for others considering Security Onion?
The advice I would give to others looking into using Security Onion is that it works well for setting up within a Linux environment, bringing a new platform to run and maintain. The application its...
What is your primary use case for Security Onion?
My main use case for Security Onion is its integration with multiple platforms and its function as a centralized system to visualize logs and events.
 

Also Known As

EventLog Analyzer
No data available
 

Overview

 

Sample Customers

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.
Information Not Available
Find out what your peers are saying about ManageEngine EventLog Analyzer vs. Security Onion and other solutions. Updated: June 2026.
908,800 professionals have used our research since 2012.