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

 

Comparison Buyer's Guide

Executive SummaryUpdated on Apr 20, 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
7.6
Microsoft Exchange Online Protection enhances email security, reducing incidents and boosting productivity, yielding strong ROI in the US market.
Sentiment score
7.5
SentinelOne Singularity Complete reduced incident response time and costs, improving ROI with advanced features and central management.
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
6.8
Microsoft Exchange Online Protection support quality varies, with premium users generally reporting more consistent and timely assistance.
Sentiment score
7.3
SentinelOne Singularity Complete is praised for effective, fast support, though some desire more phone and interactive assistance.
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
8.0
Microsoft Exchange Online Protection offers scalable, adaptable security, supporting diverse organizational needs with ease and high user satisfaction.
Sentiment score
8.1
SentinelOne Singularity Complete is versatile, seamlessly expanding across platforms, integrating easily, but faces issues when scaling down.
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
8.1
Microsoft Exchange Online Protection is highly rated for reliability and stability, with occasional management and configuration challenges noted.
Sentiment score
7.9
SentinelOne Singularity Complete is stable, reliable, with minor connectivity issues during updates; users appreciate its performance and stability.
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

Users desire improved automation, integration, security, pricing, reporting, email handling, stability, functionality, support, and clearer product distinctions in EOP.
SentinelOne Singularity Complete needs UI refinement, better automation, flexible policies, reduced resource use, and improved pricing and support.
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 valued security features despite varying costs, with flexible licensing in Microsoft 365 bundles.
SentinelOne Singularity Complete is seen as cost-effective by some but pricey compared to traditional antivirus solutions, yet feature-rich.
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.
They counted many of the instances and licenses as duplicates despite them only being alive once, which was frustrating.
It’s cheaper than other competitors.
 

Valuable Features

Microsoft Exchange Online Protection provides scalable, user-friendly security with AI, ensuring robust anti-phishing and anti-malware protection for all businesses.
SentinelOne Singularity Complete offers robust, AI-driven security and seamless integration, enhancing performance and protection for enterprises.
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
8th
Average Rating
8.4
Reviews Sentiment
6.9
Number of Reviews
38
Ranking in other categories
Email Security (4th)
SentinelOne Singularity Com...
Ranking in Anti-Malware Tools
2nd
Average Rating
8.6
Reviews Sentiment
7.3
Number of Reviews
198
Ranking in other categories
Endpoint Protection Platform (EPP) (3rd), Endpoint Detection and Response (EDR) (2nd), Extended Detection and Response (XDR) (2nd)
 

Mindshare comparison

As of May 2025, in the Anti-Malware Tools category, the mindshare of Microsoft Exchange Online Protection (EOP) is 1.3%, down from 2.2% compared to the previous year. The mindshare of SentinelOne Singularity Complete is 4.2%, down from 10.6% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Anti-Malware Tools
 

Featured Reviews

Nur Mohammad - PeerSpot reviewer
An effective email security solution that provides DLP, Safe Attachment, and Safe Links
If you want extensive email security, you need to purchase a Plan 2 license. Plan 1 and Plan 2 are the two plans for Microsoft Exchange Online Protection. Some customers hesitate to purchase this product because it adds some costs to them, which is necessary for them. It would be helpful for customers if Plan 1 features were included with EOP. However, they still need to purchase Plan 2 for advanced security features. One of our clients recently requested to compare Zimbra's features with Microsoft Exchange Online Protection. Zimbra is open source, while Microsoft Exchange Online Protection is not. When I compare both the products, many free features are available in Zimbra because it is open-source software. It makes no sense to request Microsoft Exchange Online Protection add all the features people get on open-source software like Zimbra. Hence, I would say whatever features Microsoft Exchange Online Protection has are enough. Microsoft has a dedicated research team that should research and add new techniques like phishing and spamming solutions to the product.
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
15%
Government
9%
Financial Services Firm
9%
Manufacturing Company
7%
Computer Software Company
20%
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?
I would like to improve the setting of rules in Microsoft Exchange Online Protection (EOP) as it is currently working fine but has room for enhancements.
What is your primary use case for Microsoft Exchange Online Protection?
I am using Microsoft Exchange Online Protection (EOP) ( /products/microsoft-exchange-online-protection-eop-reviews ) for word processing, spreadsheet management, Power BI, checking my meetings, usi...
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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: April 2025.
850,028 professionals have used our research since 2012.