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Cortex XSIAM 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:
 

ROI

Sentiment score
4.6
Cortex XSIAM enhances incident management and provides significant financial returns by automating detection and response, reducing staffing needs.
Sentiment score
4.9
ROI from OpenText Enterprise Security Manager varies widely, influenced by threat detection, compliance benefits, and prevention of incidents.
 

Customer Service

Sentiment score
5.8
Cortex XSIAM support varies; premium service excels, while non-premium experiences depend on distributor expertise and sometimes face delays.
Sentiment score
5.4
OpenText Enterprise Security Manager support receives mixed reviews, with common complaints about slow resolution and inadequate expertise in complex issues.
With premium support, core Palo Alto technical experts handle issues directly.
It is ineffective in terms of responding to basic queries and addressing future requirements.
I would rate the support of Palo Alto a nine out of ten.
If I raise a P1 or P0 ticket, the response time is often delayed by four to eight hours.
 

Scalability Issues

Sentiment score
6.5
Cortex XSIAM is scalable for various business sizes with cloud-based integration, but lacks on-premises deployment and mixed reviews.
Sentiment score
5.9
OpenText Enterprise Security Manager is scalable for large deployments but faces cost challenges at the logger level.
Without proper integration, scaling up with more servers is meaningless.
Cortex XSIAM is highly scalable.
It lacks some capabilities compared to other tools available in the market.
 

Stability Issues

Sentiment score
7.6
Cortex XSIAM is praised for its stability, rapid issue resolution, and efficient performance despite minor post-update challenges.
Sentiment score
5.1
OpenText Enterprise Security Manager is stable and reliable, though performance varies with challenges in virtualization and specific components.
The product was easy to install and set up and worked right.
Overall, Cortex XSIAM is stable.
It works really nice and performs really efficiently after configuration.
The stability of ArcSight Enterprise Security Manager (ESM) is not very robust.
 

Room For Improvement

Cortex XSIAM needs improved integration, performance, interface, pricing, support, ASM, AI, onboarding, tagging, and identity management enhancements.
OpenText Enterprise Security Manager needs user interface upgrades, better integration, improved documentation, and enhancements in analytics and scalability.
In terms of incident response automation, it is quite poor due to the lack of integration with all security tools, making manual intervention necessary.
Cortex XSIAM needs improvements in terms of data onboarding, parsers, and third-party integration supports.
Cortex XSIAM is on the expensive side and requires substantial improvement in pricing.
The integration aspect of ArcSight Enterprise Security Manager (ESM) needs improvement.
 

Setup Cost

Cortex XSIAM is viewed as competitively priced but complex, aligning with market expectations despite some regional variations.
OpenText Enterprise Security Manager is costly but offers robust features and scalability, with possible discounts and cost management strategies.
The product is very expensive.
Cortex XSIAM is pretty expensive, and the licensing process is not very comfortable.
The first impression is that XSIAM would be more expensive than others we tried.
ArcSight Enterprise Security Manager (ESM) is very cheap compared to other tools.
 

Valuable Features

Cortex XSIAM excels in machine learning threat detection, SOAR features, and advanced automation for efficient security management.
ArcSight offers advanced threat detection, robust integration, customizable dashboards, and automates event correlation for efficient security operations.
The advanced visualization capabilities of the product are important for understanding security trends in an organization.
Its signature-less subscriptions and robust detection power stand out in improving threat detection.
Cortex XSIAM allows us to onboard almost every device, whether they are on-prem or on SaaS.
The ability to interpret data is highly valued.
 

Categories and Ranking

Cortex XSIAM
Ranking in Security Information and Event Management (SIEM)
13th
Average Rating
8.6
Reviews Sentiment
6.7
Number of Reviews
15
Ranking in other categories
Identity Threat Detection and Response (ITDR) (5th), AI-Powered Cybersecurity Platforms (7th)
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 Cortex XSIAM is 3.0%, up from 1.7% 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 (%)
Cortex XSIAM3.0%
OpenText Enterprise Security Manager1.6%
Other95.4%
Security Information and Event Management (SIEM)
 

Featured Reviews

AKASH MAJUMDER - PeerSpot reviewer
Incident response times have significantly reduced with efficient device integration and log parsing capabilities
Cortex XSIAM needs improvements in terms of data onboarding, parsers, and third-party integration supports. Additionally, a future update request is to enable tagging of endpoints in groups, similar to a feature available in Cortex XDR. The AI analytics need fine-tuning because some use cases are not working from my side.
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.
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Comparison Review

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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
12%
Manufacturing Company
10%
Financial Services Firm
10%
Government
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
By reviewers
Company SizeCount
Small Business9
Midsize Enterprise2
Large Enterprise4
By reviewers
Company SizeCount
Small Business37
Midsize Enterprise14
Large Enterprise57
 

Questions from the Community

What do you like most about Cortex XSIAM?
It is an effective solution in terms of performance and functionalities.
What is your experience regarding pricing and costs for Cortex XSIAM?
The cost of Cortex XSIAM in the India market differs from other regions. When considering competition, from a sales perspective, the pricing is acceptable.
What needs improvement with Cortex XSIAM?
Cortex XSIAM is on the expensive side and requires substantial improvement in pricing. There are other features that could be improved, including integration with vendors such as CyberArk. I would ...
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

No data available
Micro Focus ArcSight, HPE ArcSight, ArcSight
 

Overview

 

Sample Customers

Information Not Available
Lake Health, U.S. Department of Health and Human Services, Bank AlJazira, Banca Intesa, and Obrela.
Find out what your peers are saying about Cortex XSIAM vs. OpenText Enterprise Security Manager and other solutions. Updated: September 2025.
869,566 professionals have used our research since 2012.