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Cortex XSIAM vs OpenText Enterprise Security Manager comparison

 

Comparison Buyer's Guide

Executive SummaryUpdated on Mar 29, 2026

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.
I find that using ArcSight Enterprise Security Manager (ESM) provides a valuable return on investment as it serves as a single point of glass for logs and data analysis.
Cloud Security Archirect at IBM
 

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.
Team Lead, Security at seamlessinfotech.com
It is ineffective in terms of responding to basic queries and addressing future requirements.
Associate Director at a financial services firm with 5,001-10,000 employees
I would rate the support of Palo Alto a nine out of ten.
Solutions Architect at ostec
I would rate the technical support of ArcSight Enterprise Security Manager (ESM) a nine as they are always available and responsive whenever we open a case.
Cloud Security Archirect at IBM
If I raise a P1 or P0 ticket, the response time is often delayed by four to eight hours.
Senior Security Engineer at Valuepoint Systems
 

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.
Associate Director at a financial services firm with 5,001-10,000 employees
Cortex XSIAM is highly scalable.
SOC Analyst at OVELOSEC
It lacks some capabilities compared to other tools available in the market.
Senior Security Engineer at Valuepoint Systems
It is easy to scale, and I have not encountered any issues when we require more storage or deployment.
Cloud Security Archirect at IBM
 

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.
Owner at Xelere
Overall, Cortex XSIAM is stable.
SOC Analyst at OVELOSEC
It works really nice and performs really efficiently after configuration.
IT COMMUNICATIONS AND NETWORKS at Américas BPS
I would rate the stability of ArcSight Enterprise Security Manager (ESM) a nine because I have not encountered significant issues, unlike other solutions that sometimes have database errors.
Cloud Security Archirect at IBM
The stability of ArcSight Enterprise Security Manager (ESM) is not very robust.
Senior Security Engineer at Valuepoint Systems
 

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.
Associate Director at a financial services firm with 5,001-10,000 employees
Cortex XSIAM needs improvements in terms of data onboarding, parsers, and third-party integration supports.
SOC Analyst at OVELOSEC
Cortex XSIAM is on the expensive side and requires substantial improvement in pricing.
Solutions Architect at ostec
I would like to see the detection and response features included in the next release of ArcSight Enterprise Security Manager (ESM), as security orchestration and automation are increasingly important.
Cloud Security Archirect at IBM
The integration aspect of ArcSight Enterprise Security Manager (ESM) needs improvement.
Senior Security Engineer at Valuepoint Systems
 

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.
Associate Director at a financial services firm with 5,001-10,000 employees
Cortex XSIAM is pretty expensive, and the licensing process is not very comfortable.
Director at MICROLOGIC NETWORKS PRIVATE LIMITED
The first impression is that XSIAM would be more expensive than others we tried.
Owner at Xelere
ArcSight Enterprise Security Manager (ESM) is very cheap compared to other tools.
Senior Security Engineer at Valuepoint Systems
I would rate the pricing of ArcSight Enterprise Security Manager (ESM) around seven, as it varies based on features and demand, making it more affordable for larger organizations, while smaller ones might find it expensive.
Cloud Security Archirect at IBM
 

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.
Solutions Architect at ostec
Its signature-less subscriptions and robust detection power stand out in improving threat detection.
Senior Vice President at Chi Networks
Cortex XSIAM allows us to onboard almost every device, whether they are on-prem or on SaaS.
SOC Analyst at OVELOSEC
The ability to interpret data is highly valued.
Senior Security Engineer at Valuepoint Systems
The log analysis feature is particularly valuable as it allows analysts to interpret intrusion-related logs efficiently.
Cloud Security Archirect at IBM
 

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) (7th), AI-Powered Cybersecurity Platforms (9th)
OpenText Enterprise Securit...
Ranking in Security Information and Event Management (SIEM)
25th
Average Rating
7.8
Reviews Sentiment
6.7
Number of Reviews
99
Ranking in other categories
No ranking in other categories
 

Mindshare comparison

As of May 2026, in the Security Information and Event Management (SIEM) category, the mindshare of Cortex XSIAM is 1.8%, down from 2.8% compared to the previous year. The mindshare of OpenText Enterprise Security Manager is 1.5%, up from 1.1% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Security Information and Event Management (SIEM) Mindshare Distribution
ProductMindshare (%)
Cortex XSIAM1.8%
OpenText Enterprise Security Manager1.5%
Other96.7%
Security Information and Event Management (SIEM)
 

Featured Reviews

JohnTamakloe - PeerSpot reviewer
Solutions Architect at ostec
Efficient coordination improves operations with seamless integration and rapid automation
The typical use cases for Cortex XSIAM are diverse I would describe the impact of Cortex XSIAM's automation on my security operations center as efficient. I use Cortex XSIAM's behavior analytics, and it helps identify unusual activities. I leverage Cortex XSIAM's incident management features for…
SM
Cloud Security Archirect at IBM
Unified log analysis has strengthened incident detection and supports continuous attack simulation
I do not have any areas for improvement in ArcSight Enterprise Security Manager (ESM) as I have not delved deeply into it; overall, it is a good package. I would like to see the detection and response features included in the next release of ArcSight Enterprise Security Manager (ESM), as security orchestration and automation are increasingly important.
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Use our free recommendation engine to learn which Security Information and Event Management (SIEM) solutions are best for your needs.
894,738 professionals have used our research since 2012.
 

Comparison Review

VS
Manager, Enterprise Risk Consulting at a tech company with 1,001-5,000 employees
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
11%
Financial Services Firm
10%
Manufacturing Company
9%
Government
6%
Financial Services Firm
15%
Marketing Services Firm
10%
Manufacturing Company
8%
Comms Service Provider
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 Enterprise59
 

Questions from the Community

What is your experience regarding pricing and costs for Cortex XSIAM?
I did not participate in pricing discussions for Cortex XSIAM solutions, so I cannot provide a review regarding prices for this solution.
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 ...
What is your primary use case for Cortex XSIAM?
With Cortex XSIAM, we installed an agent on Active Directory on-premise. We connected our Firewalls to the Data Lake and the Active Directory, and protected the Firewalls with another authenticatio...
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 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.
What needs improvement with ArcSight Enterprise Security Manager (ESM)?
Regarding threat detection capabilities, I think OpenText Enterprise Security Manager covers the MITRE ATT&CK framework at an average level, and on a scale of one to ten, I would rate it only f...
 

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: April 2026.
894,738 professionals have used our research since 2012.