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ConnectWise SIEM vs OpenText Enterprise Security Manager comparison

 

Comparison Buyer's Guide

Executive SummaryUpdated on Sep 21, 2025

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

ConnectWise SIEM
Ranking in Security Information and Event Management (SIEM)
51st
Average Rating
8.6
Reviews Sentiment
6.6
Number of Reviews
3
Ranking in other categories
Endpoint Detection and Response (EDR) (57th), Secure Access Service Edge (SASE) (23rd), Managed Detection and Response (MDR) (27th)
OpenText Enterprise Securit...
Ranking in Security Information and Event Management (SIEM)
21st
Average Rating
7.8
Reviews Sentiment
6.7
Number of Reviews
98
Ranking in other categories
No ranking in other categories
 

Mindshare comparison

As of October 2025, in the Security Information and Event Management (SIEM) category, the mindshare of ConnectWise SIEM is 0.4%, up from 0.2% compared to the previous year. The mindshare of OpenText Enterprise Security Manager is 1.6%, up from 1.2% 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 (%)
OpenText Enterprise Security Manager1.6%
ConnectWise SIEM0.4%
Other98.0%
Security Information and Event Management (SIEM)
 

Featured Reviews

Giulio Valeri - PeerSpot reviewer
Efficiently monitoring and detecting suspicious activities
One valuable feature of ConnectWise Fortify is the ability to add other teams and receive notifications when customers make changes or remove multi-factor authentication in Microsoft or SAP environments. For instance, once we were connecting different parts in China, and we had to reserve resources for the blue source of the login of task no v. ConnectWise Fortify successfully mitigated the issue and monitored any suspicious activity in the Microsoft environment. Despite the inconvenience, the Microsoft environment is still active and susceptible to cyber threats. We do a lot of research and utilize ConnectWise Fortify to restart and restore the system. It's essential to have a solution like ConnectWise Fortify to protect against cyber threats.
Ramnesh  Dubey - PeerSpot reviewer
Allows for monitoring logs according to industry standards within ESM but has a total capacity capped at 12 TB, limiting real-time data retention periods
The first limitation is with the ArcSight Data Storage Manager (ADSM). ArcSight's total capacity is currently capped at 12 TB. This becomes an issue if a customer needs a longer real-time data retention period, such as exceeding 90 days or reaching a year or even ten months. Increasing the disk space beyond 12 TB is not currently possible. So, increasing the storage capacity is one area for improvement. Additionally, the real-time data retention is limited due to the 12 TB restriction. Depending on the Events Per Second (EPS) you receive, you might only be able to retain data for seven to ten days. Overall, the 12 TB limit is the main issue we face in terms of maximizing real-time data storage. Moreover, there are a few improvements I would like to see in future releases. My main suggestion for ArcSight is to simplify the deployment process. Currently, the installation process is quite complex. There are various components involved, including transformations, multiple installations, and containerization for various components. Ideally, I'd recommend that ArcSight allow the entire installation, including the ESM and database, to be completed within a single unified setup process for a streamlined experience. Additionally, having readily available and well-organized documentation for the step-by-step installation process would be incredibly helpful. I would also like to see better support.

Quotes from Members

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

Pros

"We have found the solution has great functionality and it is easy to use."
"The integration capabilities of ConnectWise SIEM are off the shelf, making it easy to buy and use; you just unpack it and use it."
"One valuable feature of ConnectWise Fortify is the ability to add other teams and receive notifications when customers make changes or remove multi-factor authentication in Microsoft or SAP environments."
"Feature-rich solution which provides better network visibility for improved security"
"The most valuable features of ArcSight ESM are ease of use and readily usable components."
"ESM has valuable features for event prediction and security analysis."
"The solution is pretty stable."
"ArcSight ESM provides us the flexibility to write our own passwords and customize the solution. It lets us search and log a variety of SmartConnectors. It has 480-plus SmartConnectors."
"We utilize ArcSight ESM for real-time threat detection in our organization. We have custom rules that we've developed on top of the WAN services, along with scheduled licensing activities."
"It prevented my users from getting infected by ransomware. It can also pinpoint the story behind every virus or network attack to our environment."
"We do consulting and I get feedback from our clients that the product really helped them with compliance, especially with GDPR."
 

Cons

"ConnectWise Fortify could work on covering more areas, like phishing messages, which have become more complicated to detect."
"The manage portion of the solution is complicated and should be simplified by having different versions to meet the needs of different size companies."
"ConnectWise SIEM is primarily focused on notifications and is limited in that aspect, while Wazuh can automate the elimination process."
"I faced some problems implementing certain attacks, which was my biggest concern. The visualization wasn't very good, and I couldn't create good monitoring dashboards."
"The initial setup could be more straightforward."
"They also could improve the product by integrating user and identity behavior analytics."
"Administration of ArcSight is not an easy job. The admin needs to be well experienced in it to identify the root cause and fix it."
"The UI interface is somewhat complex and needs to be simplified."
"The solution could be more stable."
"Deployment typology could be improved. Difficult to scale across all the different lines of businesses."
"The initial setup is very complex. We had to architect a deployment which allowed us to incorporate an ever growing number of customers into our hosted instance of ArcSight."
 

Pricing and Cost Advice

"The solution is expensive."
"Pricing is good, I'd rate the pricing a seven out of ten, with ten being low price. It's better than Splunk and IBM QRadar because their pricing is based on EPS."
"It's a good price, it's one of the cheaper solutions."
"There is a license required for this solution."
"We have a license to use this solution. The price of ArcSight Enterprise Security Manager is expensive."
"Customers without a ton of resources to dedicate to deployment may be better served by a managed ArcSight service."
"The pricing model is expensive compared to open-source alternatives."
"The solution is super expensive. At our organization size and license model, I think the price is average to what anyone else would charge us."
"Thanks to Micro Focus's licensing model, as an MSSP, we are able to see a complete return on our investment almost immediately."
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Use our free recommendation engine to learn which Security Information and Event Management (SIEM) solutions are best for your needs.
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Comparison Review

VS
Jun 28, 2015
Qradar vs. ArcSight
Continuing with the SIEM posts we have done at Infosecnirvana, this post is a Head to head comparison of the two Industry leading SIEM products in the market – HP ArcSight and IBM QRadar Both the products have consistently been in the Gartner Leaders Quadrant. Both HP and IBM took over niche SIEM…
 

Top Industries

By visitors reading reviews
Computer Software Company
20%
Comms Service Provider
9%
Manufacturing Company
8%
University
7%
Financial Services Firm
15%
Computer Software Company
11%
Manufacturing Company
11%
Performing Arts
8%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
No data available
By reviewers
Company SizeCount
Small Business37
Midsize Enterprise14
Large Enterprise57
 

Questions from the Community

What needs improvement with ConnectWise Fortify?
I haven't utilized the advanced threat intelligence capabilities with ConnectWise SIEM. Advanced threat intelligence is an option, but I haven't explored this feature yet. The advanced threat intel...
What is your primary use case for ConnectWise Fortify?
I do not have experience with ConnectWise SIEM for RMM, as I mostly work on Wazuh, and I have a team that handles ConnectWise SIEM. I'm linking with them, serving as the bridge. I am solely working...
What advice do you have for others considering ConnectWise Fortify?
The review can be made anonymous if just my name and not the company name is used. I would assess the real-time visibility for my organization as somewhat real-time, but it's not fully real-time. T...
Which is the best SIEM tool for a mid-sized financial services firm: Arcsight or Securonix?
In my market, a lot of financial companies had or have an ArcSight installation. Just because in former times it was pretty good. Now a lot of them are looking for a more effective solution due to ...
What do you like most about ArcSight Enterprise Security Manager (ESM)?
We utilize ArcSight ESM for real-time threat detection in our organization. We have custom rules that we've developed on top of the WAN services, along with scheduled licensing activities.
What is your experience regarding pricing and costs for ArcSight Enterprise Security Manager (ESM)?
ArcSight Enterprise Security Manager (ESM) is very cheap compared to other tools. It is worth the investment if you are considering the cost.
 

Also Known As

ConnectWise Security Management, ConnectWise Fortify, Continuum Fortify, ConnectWise SIEM, ConnectWise SASE
Micro Focus ArcSight, HPE ArcSight, ArcSight
 

Overview

 

Sample Customers

Techvera, Syrex, Clark Integrated Technologies
Lake Health, U.S. Department of Health and Human Services, Bank AlJazira, Banca Intesa, and Obrela.
Find out what your peers are saying about ConnectWise SIEM vs. OpenText Enterprise Security Manager and other solutions. Updated: September 2025.
869,566 professionals have used our research since 2012.