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Microsoft Sentinel vs SentinelOne Singularity AI SIEM comparison

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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
6.8
Microsoft Sentinel enhances ROI with faster incident response, automation, and cost efficiency, providing significant operational and security improvements.
Sentiment score
6.0
SentinelOne Singularity AI SIEM improves efficiency by reducing alerts, false positives, manual workload, and downtime, offering competitive pricing.
If a customer is already using Microsoft’s ecosystem, the ROI can be positive due to seamless integration.
senior cyber security at a tech services company with 201-500 employees
Our MTTR, mean time to response, improved by forty to fifty percent. Earlier, medium-severity incidents took two to three hours to resolve. Now, after Microsoft Sentinel, it is forty to fifty-five minutes.
Cyber Security Consultant at HR Software Solution
We attribute our growth to Sentinel.
Chief Commercial Officer at defend
If the data gets encrypted, it automatically rolls back.
Senior Technical Engineer at Safezone Secure Solutions Private Limited
Before using SentinelOne Singularity AI SIEM, investigating a moderately complex alert took around thirty to sixty minutes because analysts had to collect logs from multiple security tools.
Desktop support Engineer at a outsourcing company with 51-200 employees
SentinelOne Singularity AI SIEM has reduced our response time to true positive alerts by approximately forty percent through automation.
IT Security Analyst at a tech consulting company with 11-50 employees
 

Customer Service

Sentiment score
6.4
Microsoft Sentinel customer service is praised for staff expertise, but premium support is quicker; communication consistency could improve.
Sentiment score
6.6
SentinelOne support is effective yet slow, praised for expertise but hindered by transfer issues, costs, and communication delays.
Microsoft invests significantly in support, which is crucial for companies.
Director de Microsoft y Transformación Digital at Compucad
I believe Microsoft could improve by keeping customer service within the US for Microsoft Sentinel customers who are within state and federal government sectors.
Infosec at a government with 10,001+ employees
Working with a Sentinel engineer helped us tune settings effectively.
Systems Emgineer at a non-profit with 1-10 employees
Issues involving log ingestion or third-party integrations may require additional investigation and coordination.
MDR Analyst at a computer software company with 51-200 employees
SentinelOne Singularity AI SIEM has AI-based technical support available.
IT Security Analyst at a tech consulting company with 11-50 employees
Based on my experience with the technical support of SentinelOne Singularity AI SIEM, I would rate them a ten.
Vice President Cyber Security Practice Head at orbit techsol w pvt.ltd
 

Scalability Issues

Sentiment score
7.7
Microsoft Sentinel is highly scalable, cloud-native, and integrates easily, but users should consider data ingestion costs.
Sentiment score
6.5
SentinelOne Singularity AI SIEM offers scalable cloud-based security, efficiently managing data growth and complex IT structures, despite integration challenges.
There is no need to add hardware or redesign infrastructure because it is cloud-native.
Cyber Security Consultant at HR Software Solution
As our organization uses Microsoft Azure and Defender, everything grows together, and we can integrate various features seamlessly.
Systems Emgineer at a non-profit with 1-10 employees
Being a SaaS solution, the scalability of Microsoft Sentinel is robust.
senior cyber security at a tech services company with 201-500 employees
It is designed to handle growing log volumes and supports environments that include on-premises infrastructure, cloud services, endpoints, identity platforms, and network devices.
Desktop support Engineer at a outsourcing company with 51-200 employees
With any AI adoption, the end goal should be more governance and data security and safety.
Associate Vice President at Novac Technology Solutions
The performance depends on the configuration.
IT Security Analyst at a tech consulting company with 11-50 employees
 

Stability Issues

Sentiment score
7.8
Microsoft Sentinel is reliable with high uptime, minor outages, and strong security, despite some customization challenges.
Sentiment score
7.9
SentinelOne Singularity AI SIEM offers stable SOC operations with efficient log searches, despite occasional upgrade-related issues.
I have never experienced any downtime, crashes, or performance issues with Microsoft Sentinel because it is SOC as a Service, so it maintains 100% uptime and scaling.
Infosec at a government with 10,001+ employees
In the past two years, our team hasn't encountered any issues with the stability of Microsoft Sentinel from an operations perspective.
Project Executive at synergyc
I need to be aware of deprecated connectors as they may disconnect, but the data continues to be sent with a need for quick adaptation.
senior cyber security at a tech services company with 201-500 employees
I have worked with it, and it is very handy, easy to manage, and excellent with its AI-driven capabilities.
Cybersecurity Engineer at Gigabit Technologies Pvt Ltd
When it comes to stability, I would give SentinelOne Singularity AI SIEM a nine.
IT Security Consultant at Systemhaus for you GmbH
In terms of performance stability, I have never had any crashes, downtimes, or performance issues.
Cyber Security Engineer at a retailer with 201-500 employees
 

Room For Improvement

Microsoft Sentinel needs enhancements in integration, usability, performance, automation, and cost management to better serve users and organizations.
SentinelOne Singularity AI SIEM faces high false positives, performance issues, limited integrations, and needs better usability and automation.
Log ingestion and retention costs can grow quickly, and understanding which data source is driving cost is not always straightforward.
Cyber Security Consultant at HR Software Solution
We have some tools, such as our off-site Meraki firewalls, that have not fully integrated with Sentinel.
Systems Emgineer at a non-profit with 1-10 employees
There are complexities in calculating the right pricing tier for different customers, which makes it difficult for me as a consultant during upfront pricing.
senior cyber security at a tech services company with 201-500 employees
The adoption rate will be less compared to other products, as this can be a time-taken process because all my data needs to be offloaded and the system needs to understand my existing alerts, logs, and other things.
Associate Vice President at Novac Technology Solutions
The interface flickers frequently, and sometimes it does not load properly.
IT Security Analyst at a tech consulting company with 11-50 employees
Whenever OT security comes into the picture, the customers do not allow us to integrate their OT devices on a cloud. It should be available on-premises because the OT SIEM market, in the India market for instance, is something around a four to eight billion dollar market.
Vice President Cyber Security Practice Head at orbit techsol w pvt.ltd
 

Setup Cost

Microsoft Sentinel's flexible pricing can be costly, but cost-effective within the Microsoft ecosystem with optimization strategies in place.
Enterprise buyers appreciate SentinelOne's value-driven, flexible pricing and comprehensive features, offering efficient, cost-effective AI-driven security management.
It has been beneficial that Microsoft Sentinel is included as part of the Microsoft package, making it more cost-effective.
Senior System Administrator at a university with 5,001-10,000 employees
Microsoft Sentinel is not a low-cost SIEM.
Cyber Security Consultant at HR Software Solution
Microsoft Sentinel is provided at no cost, so we didn't have any issues with the cost.
Vice President, Sales, Cybersecurity at a computer software company with 51-200 employees
I find SentinelOne's pricing to be reasonable and competitive.
Senior Information Security Principal at a venture capital & private equity firm with 1,001-5,000 employees
Features such as centralized log management, AI-driven analytics, automated workflow, and integrated security options can reduce operational overhead and improve SOC efficiency, which helps justify the investment.
Desktop support Engineer at a outsourcing company with 51-200 employees
Compared to another SIEM tool's pricing, the pricing is the best, from my side.
Technical Support Executive at Softcell Technologies Limited
 

Valuable Features

Microsoft Sentinel enhances security with AI-driven threat detection, automated responses, seamless integration, and efficient threat management through playbooks and analytics.
SentinelOne Singularity AI SIEM offers enhanced threat detection, real-time monitoring, automation, and third-party integration for improved security efficiency.
Microsoft Sentinel's ability to correlate data from multiple sources and its detection capabilities are essential.
Cost Engineer at a tech vendor with 10,001+ employees
Microsoft Sentinel has improved cost efficiency, which is one of the key areas we're able to win business against the ability to have threat intelligence.
Chief Commercial Officer at defend
Microsoft Sentinel's ability to correlate data from multiple sources enhances our threat detection capabilities beyond what is a simple data lake solution by filtering out the noise and consolidating the signal down to a meaningful level that is easier to investigate and see.
Solutions Architect at a tech vendor with 201-500 employees
We finally have visibility into things that were never visible before.
IT Security Consultant at Systemhaus for you GmbH
It employs a combination of AI and ML to check for viruses or any other malicious processes, including fileless attacks.
Cyber Security Engineer at a retailer with 201-500 employees
The AI-driven threat detection capabilities improve our overall security posture.
Associate Vice President at Novac Technology Solutions
 

Categories and Ranking

Microsoft Sentinel
Ranking in Security Information and Event Management (SIEM)
3rd
Average Rating
8.2
Reviews Sentiment
6.9
Number of Reviews
108
Ranking in other categories
Security Orchestration Automation and Response (SOAR) (3rd), Microsoft Security Suite (5th), AI-Powered Cybersecurity Platforms (5th)
SentinelOne Singularity AI ...
Ranking in Security Information and Event Management (SIEM)
7th
Average Rating
8.6
Reviews Sentiment
6.4
Number of Reviews
18
Ranking in other categories
AI Observability (6th)
 

Mindshare comparison

As of November 2026, in the Security Information and Event Management (SIEM) category, the mindshare of Microsoft Sentinel is 3.5%, down from 6.1% compared to the previous year. The mindshare of SentinelOne Singularity AI SIEM is 1.2%, up from 1.0% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Security Information and Event Management (SIEM) Mindshare Distribution
ProductMindshare (%)
Microsoft Sentinel3.5%
SentinelOne Singularity AI SIEM1.2%
Other95.3%
Security Information and Event Management (SIEM)
 

Featured Reviews

Kallamuddin Ansari - PeerSpot reviewer
Cyber Security Consultant at HR Software Solution
Centralized monitoring has improved threat response but cost control still needs refinement
Based on real operations used in our corporate IT environment, the key features include log correlation and incident view. Microsoft Sentinel's biggest strength is how it correlates multiple related alerts into a single incident. This significantly reduces alert noise and helps the SOC focus on real threats instead of isolated events. Another valuable feature is KQL-based threat hunting with Kusto Query Language. The flexibility of this language allows us to build custom hunting queries based on our environment's behavior. This is extremely useful for detecting low and slow threats or hidden threats that default rules may miss. Cloud-native scalability and stability is another important feature. Being cloud-native, Microsoft Sentinel scales well for medium to large corporate environments without infrastructure management. Stability has been solid in day-to-day production. SOAR automation using playbooks is a feature we highly recommend. Microsoft Sentinel's SOAR functionality helps automate repetitive SOC tasks like alert enrichment and notification. This saves analyst time and improves response consistency.
reviewer2915043 - PeerSpot reviewer
System Engineer at a consultancy with 11-50 employees
Centralized monitoring has improved threat detection speed and simplified alert investigations
It would be helpful if some alerts had cleaner, clearer explanations right away, such as suggesting next steps inside the alert, and fewer clicks to get from alert to raw event details would make the triage even faster. Integration could be more plug-and-play, and improving built-in guidance for new analysts would help cut the learning curve. Performance-wise, it is adequate for us, but easier bulk searches would make investigations smoother. It would be helpful for each alert to come with clear suggested next steps right inside the alert, so analysts do not have to guess or click around too much. Making integration more plug-and-play would smooth out setup for new data sources.
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920,769 professionals have used our research since 2012.
 

Top Industries

By visitors reading reviews
Manufacturing Company
11%
Financial Services Firm
10%
Outsourcing Company
7%
Computer Software Company
7%
Outsourcing Company
22%
Media Company
9%
Manufacturing Company
7%
Comms Service Provider
6%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business44
Midsize Enterprise23
Large Enterprise47
By reviewers
Company SizeCount
Small Business15
Midsize Enterprise6
Large Enterprise4
 

Questions from the Community

Is there a common threat intelligence tool that aggregates multiple threat intelligence sources?
Yes, Azure Sentinel is a SIEM on the Cloud. Multiple data sources can be uploaded and analyzed with Azure Sentinel and its Threat Hunting functionality with AI available as templates or customized ...
What is a better choice, Splunk or Azure Sentinel?
It would really depend on (1) which logs you need to ingest and (2) what are your use cases Splunk is easy for ingestion of anything, but the charge per GB/Day Indexed and it gets expensive as log ...
Which is better - Azure Sentinel or AWS Security Hub?
We like that Azure Sentinel does not require as much maintenance as legacy SIEMs that are on-premises. Azure Sentinel is auto-scaling - you will not have to worry about performance impact, you will...
What needs improvement with SentinelOne Singularity AI SIEM?
My impression of the AI-driven threat detection capabilities is that it helps a little bit, but they need to tune it a bit because we are seeing too many false positives recently. Since we are a pa...
What is your primary use case for SentinelOne Singularity AI SIEM?
SentinelOne Singularity AI SIEM is a tool that we use to support our clients. Our organization is a service-based organization, so we use SIEM to provide services to software-based clients. We are ...
What advice do you have for others considering SentinelOne Singularity AI SIEM?
In my organization, approximately eighty people work with SentinelOne Singularity AI SIEM. Our clients vary in size; we have small businesses, medium enterprises, and large enterprises as well. Sen...
 

Also Known As

Azure Sentinel
No data available
 

Overview

 

Sample Customers

Microsoft Sentinel is trusted by companies of all sizes including ABM, ASOS, Uniper, First West Credit Union, Avanade, and more.
Information Not Available
Find out what your peers are saying about Microsoft Sentinel vs. SentinelOne Singularity AI SIEM and other solutions. Updated: September 2026.
920,769 professionals have used our research since 2012.