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Microsoft Exchange Online Protection (EOP) vs SentinelOne Singularity Complete comparison

 

Comparison Buyer's Guide

Executive SummaryUpdated on Jul 27, 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
7.0
Microsoft Exchange Online Protection offers cost-effective email security, reducing incidents and boosting productivity over competitors like Trend and AppRiver.
Sentiment score
7.5
SentinelOne Singularity Complete cuts costs by boosting productivity, preventing threats, and reducing ransomware risks, offering quick ROI.
Since then, I have not faced any intrusions, which is one reason I chose SentinelOne over ESET.
We have not faced any attacks since we implemented it.
It has absolutely helped reduce our organizational risk.
 

Customer Service

Sentiment score
6.3
Microsoft Exchange Online Protection customer service is praised for availability but criticized for inconsistent response quality and speed.
Sentiment score
7.2
SentinelOne Singularity Complete offers quick, knowledgeable support with remote sessions, though some desire faster, interactive phone or chat options.
Microsoft offers excellent 24/7 support.
My team is able to get the help they need when necessary.
They do a great job of figuring out the problem and pointing you to generic documentation or working with you to fine-tune a solution.
We are using the automated email process for support, and they respond within an hour or two hours sometimes.
A chat service would be beneficial.
 

Scalability Issues

Sentiment score
7.8
Microsoft Exchange Online Protection offers scalable security solutions despite some limitations, appreciated for ease of use and high satisfaction.
Sentiment score
8.1
SentinelOne Singularity Complete scales efficiently, smoothly handling deployments, adding agents, and supporting growth across diverse IT infrastructures.
It's all auto-scale and auto-categorized, configuring automatically.
The tool's built-in automation for deploying the agents works well for large infrastructures like mine.
My deployment is relatively small, and SentinelOne Singularity Complete works within those constraints.
 

Stability Issues

Sentiment score
7.7
Microsoft Exchange Online Protection is reliable, scoring high in stability, with issues mainly from configuration and occasional interface changes.
Sentiment score
7.9
SentinelOne Singularity Complete is praised for stability, performance, and proactive updates, despite occasional third-party software conflicts.
It has caused problems with interoperability between third-party tools, which could lead to entire servers crashing or specific tools failing.
This indicates room for improvement in stability when interacting with other solutions.
Initially, there were issues, particularly on the management side, but now the console is much more stable.
 

Room For Improvement

Microsoft Exchange Online Protection needs better integration, enhanced security features, improved user experience, and competitive pricing for increased effectiveness.
SentinelOne Singularity Complete needs improvements in updates, false positives, integration, pricing, customization, access control, and threat detection.
Improving the search process by allowing searches with different types of parameters and facilitating searches within emails would be advantageous.
The only thing that prevented the attack from succeeding was a free version of Malwarebytes.
Providing a single pane of visibility for the end user would be beneficial.
It's challenging to prevent a user from manipulating their privileges or someone else's of others, and it's difficult to control what users can access at the organizational level.
 

Setup Cost

Microsoft Exchange Online Protection offers tiered pricing, seen as high but justified by robust security and scalability features.
SentinelOne Singularity Complete provides cost-effective endpoint security, with competitive pricing justified by its comprehensive and flexible features.
The pricing is reasonable.
Microsoft Exchange is more expensive compared to other services like Gmail.
If you want protection, you have to pay the price.
There are other products that are less expensive, but I tell my clients that in security, they cannot cut corners or look for the cheapest solution.
They counted many of the instances and licenses as duplicates despite them only being alive once, which was frustrating.
 

Valuable Features

Microsoft Exchange Online Protection offers scalable, user-friendly security features with AI-enhanced threat management and seamless integration with Microsoft tools.
SentinelOne Singularity Complete is lauded for AI threat detection, automation, user-friendly interface, and efficient endpoint security without cloud reliance.
The security features provided by Microsoft are robust.
It offers more features and better security, making it the best option for corporate environments.
In the last three years, has resulted in no antivirus problems.
I have an advanced app providing visibility of all my endpoints, which was not the case before.
SentinelOne has a feature to decommission automatically, which has been fantastic.
There's also automation that gives my team free time, preventing them from having to look for every alert.
 

Categories and Ranking

Microsoft Exchange Online P...
Ranking in Anti-Malware Tools
9th
Average Rating
8.2
Reviews Sentiment
6.8
Number of Reviews
40
Ranking in other categories
Email Security (6th)
SentinelOne Singularity Com...
Ranking in Anti-Malware Tools
2nd
Average Rating
8.6
Reviews Sentiment
7.3
Number of Reviews
199
Ranking in other categories
Endpoint Protection Platform (EPP) (3rd), Endpoint Detection and Response (EDR) (2nd), Extended Detection and Response (XDR) (3rd)
 

Mindshare comparison

As of August 2025, in the Anti-Malware Tools category, the mindshare of Microsoft Exchange Online Protection (EOP) is 1.2%, down from 1.8% compared to the previous year. The mindshare of SentinelOne Singularity Complete is 3.8%, down from 8.8% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Anti-Malware Tools
 

Featured Reviews

Amber Worth - PeerSpot reviewer
Retrieves data from quarantines and easy to read logs with robust security features
Some of the searchability when looking for specifics in Exchange logs is tedious. Although eventually the information is located, it can be difficult if detailed information is lacking. Improving the search process by allowing searches with different types of parameters and facilitating searches within emails would be advantageous. Simplifying interfaces would also be appreciated.
Asim Naeem - PeerSpot reviewer
It integrates well with other platforms, is user-friendly, and is stable
SentinelOne Singularity Complete integrates with our other security solutions, correlating data from NDR, ADR, SIEM, and XDR tools. All this information is consolidated within SentinelOne, providing a centralized access point. SentinelOne Singularity Complete has helped us streamline our security operations by consolidating multiple solutions into a single platform. We are currently in the process of acquiring a threat intelligence platform to complete our security stack. We use Ranger to monitor our network and track connected devices. This is crucial because it helps us quickly identify unauthorized machines connected to our infrastructure, including personal devices. We have additional security measures in place, but Ranger provides an extra layer of protection. It also alerts us if the SentinelOne Singularity Complete agent is missing from any new or existing machines, allowing us to take appropriate action. SentinelOne Ranger's agentless and hardware-independent nature is crucial for our environment with 26,000 endpoints, as manual management of such a large number would be extremely challenging. Ranger uses a multi-layered approach to prevent vulnerable devices from being compromised. We employ scanners, network configurations, and a risk scanner to assess devices, endpoints, servers, and cloud infrastructures. Vulnerability reports and timelines for remediation are shared with device owners or custodians. This proactive strategy enables us to address vulnerabilities efficiently and secure our infrastructure. SentinelOne Singularity Complete has significantly enhanced our security posture. While no system is impenetrable, this solution has brought us closer to achieving a high level of protection, ensuring we maintain at least a 90 percent security level. Our team is dedicated to refining alerts and eliminating false positives from our solutions. Additionally, a team is responsible for identifying and excluding alerts from the solution. We can manually expedite this process by reviewing these elements and utilizing our security tools. We have been able to reduce the alert volume by 20 percent. Our 30-member Security Operations Center team has been able to redirect their focus to other tasks due to the time saved after implementing SentinelOne Singularity Complete. SentinelOne Singularity Complete has helped us improve our mean time to detect threats, which we accomplish using the Vigilance service for detection and response. SentinelOne Singularity Complete has helped us decrease our organizational risk. We utilize the Security Scorecard to manage our security posture, which has remained steady at 90 percent.
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Top Industries

By visitors reading reviews
Computer Software Company
14%
Financial Services Firm
9%
Government
8%
Manufacturing Company
8%
Computer Software Company
19%
Manufacturing Company
8%
Financial Services Firm
7%
Government
6%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
 

Questions from the Community

What do you like most about Microsoft Exchange Online Protection?
The initial setup was easy. The configuration process is very straightforward.
What needs improvement with Microsoft Exchange Online Protection?
Reporting could be one of the areas for improvement, as they could put more reporting into Microsoft Exchange Online Protection (EOP) natively rather than requiring additional licensing or connecti...
What is your primary use case for Microsoft Exchange Online Protection?
The company does work with this technology, but not me personally. I manage some other products currently, mainly in the modern workplace space, such as Azure Virtual Desktop and Microsoft 365. I d...
Cortex XDR by Palo Alto vs. Sentinel One
Cortex XDR by Palo Alto vs. SentinelOne SentinelOne offers very detailed specifics with regard to risks or attacks. The ability to reverse damage caused by ransomware with minimal interruptions to...
Which is better - SentinelOne or Darktrace?
Which solution is better depends on which is more suitable specifically for your company. Darktrace, for example, is meant for smaller to medium-sized businesses. It is also a good option for organ...
 

Also Known As

Microsoft EOP, MS Exchange Online Protection
Sentinel Labs, SentinelOne Singularity
 

Overview

 

Sample Customers

Information Not Available
Havas, Flex, Estee Lauder, McKesson, Norfolk Southern, JetBlue, Norwegian airlines, TGI Friday, AVX, Fim Bank
Find out what your peers are saying about Microsoft Exchange Online Protection (EOP) vs. SentinelOne Singularity Complete and other solutions. Updated: July 2025.
865,384 professionals have used our research since 2012.