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Microsoft Exchange Online Protection (EOP) vs Trellix Collaboration Security comparison

 

Comparison Buyer's Guide

Executive SummaryUpdated on Dec 3, 2024

Review summaries and opinions

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:
 

Categories and Ranking

Microsoft Exchange Online P...
Ranking in Email Security
6th
Average Rating
8.2
Reviews Sentiment
6.8
Number of Reviews
40
Ranking in other categories
Anti-Malware Tools (9th)
Trellix Collaboration Security
Ranking in Email Security
19th
Average Rating
8.6
Reviews Sentiment
7.0
Number of Reviews
15
Ranking in other categories
Instant Communications Security and Compliance (6th), Secure Email Gateway (SEG) (9th)
 

Mindshare comparison

As of August 2025, in the Email Security category, the mindshare of Microsoft Exchange Online Protection (EOP) is 6.0%, down from 8.6% compared to the previous year. The mindshare of Trellix Collaboration Security is 2.0%, down from 2.3% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Email Security
 

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.
BernardLugalia - PeerSpot reviewer
Provides strong data protection with virtual patching and vulnerability assessments
I primarily use it to monitor database access, particularly in banking and similar environments. It ensures that IT personnel and others do not create unauthorized accounts or users. Collaboration security assists in tracking database access and alerts in case of suspicious activity One of the…

Quotes from Members

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:
 

Pros

"Microsoft EOP's most valuable feature is a shared mailbox."
"It is scalable."
"It's definitely scalable."
"The most valuable feature is the ease of administration. Other solutions require complex administration, but Microsoft Exchange Online Protection is easier."
"The initial setup was easy. The configuration process is very straightforward."
"The initial setup of Microsoft Exchange Online Protection was easy."
"The scalability is pretty good; it does what it is supposed to do."
"In general, my company is happy with Microsoft support...My company hasn't faced any stability issues with the solution."
"The initial setup is simple."
"The auto-remediation feature is valuable."
"The product helps reduce the number of malicious emails reaching the user's inbox."
"We have had very good results from the use of FireEye Email Security. We are very comfortable with this technology, but I don't know if it's necessary to move into the cloud, we will check other technologies and study them. Additionally, the solution has good integration."
"What I find most valuable with the solution is that it can integrate with cloud solutions, such as Google and Microsoft. Additionally, the solution is easy to use."
"Before installing, consider potential challenges with system performance, especially when integrating multiple tools, which could slow down performance."
"Trellix Collaboration Security is valued for being a stable and comprehensive solution that fulfills customer needs."
"The solution's most valuable feature is its simplicity. It's very user-friendly."
 

Cons

"The tool is not 100% stable."
"Some features, like encryption, are not available."
"Some of the searchability when looking for specifics in Exchange logs is tedious."
"Online Protection has an issue in that it doesn't provide an option to stop impersonation."
"They should specify the difference between Defender for Office 365 and Exchange Online Protection."
"Having orchestration features added to Microsoft Exchange Online Protection, particularly automation and remediation, would be quite useful."
"The biggest issue that I experience is that Microsoft keeps moving things around, and it's very inconsistent as to where you find the information when you're trying to work on different pieces."
"The solution can be complex at times. It would be nice to have the on-server version. It needs to improve the stability as well."
"Sometimes, integration can be challenging, impacting its stability, which is why I rate it a five out of ten."
"In general, our company should make the tool more robust to protect our systems."
"The solution is not easy to set up. However, we have employees that have the knowledge that can do the difficult implementation. It would be better if the process was easier."
"There is a need for improved integration with totally different products, such as a rapid server."
"FireEye needs single sign-on. They say it's on their roadmap. They should also implement support for Microsoft Authenticator app for 2FA."
"The reporting aspect of the solution needs improvement."
"Sometimes especially zero-day spam emails can be passed to the user's inbox."
"The spam detection feature could be better."
 

Pricing and Cost Advice

"The solution is expensive but is backed by Microsoft's reputation."
"The solution falls on the higher or more expensive side of the spectrum."
"The tool's pricing is excellent."
"The solution should reduce the cost."
"Microsoft Exchange Online Protection is a good solution at an affordable price. It is a good investment."
"The product is expensive."
"The solution's pricing is subscription-based rather than a yearly licensing cost. Pricing is based on the size of the environment and company and can be expensive."
"The pricing of the solution is reasonable."
"The licensing is on a yearly basis."
"The cost is very high."
"The solution requires a license to be purchased for every user."
"I rate the product price as nine out of ten, where ten is the most expensive, and one is the cheapest. There is no need to pay any extra charges apart from the licensing costs."
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Top Industries

By visitors reading reviews
Computer Software Company
14%
Financial Services Firm
9%
Government
8%
Manufacturing Company
8%
Manufacturing Company
18%
Computer Software Company
12%
Comms Service Provider
9%
Government
8%
 

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...
What do you like most about FireEye Email Security?
One of the valuable features of the product stems from the fact that it is easy to implement the tool in our environment.
What needs improvement with FireEye Email Security?
I would like to see the addition of email digital protection features, such as anti-spam and antivirus, not just sandboxing, in the on-premises solution.
What is your primary use case for FireEye Email Security?
I have worked on Email Security ( /categories/email-security ) both on-premises and in the cloud, Web Security, and also on MDR, which is called HX endpoint security for Trellix Collaboration Secur...
 

Also Known As

Microsoft EOP, MS Exchange Online Protection
FireEye Email Security
 

Overview

 

Sample Customers

Information Not Available
Northshore Utility District, Luz Technologies, Air Academy Federal Credit Union, Bank Gutmann, Bank of Thailand, Penn State Health Milton S. Hershey Medical Center, State of Missouri, City and County of San Francisco, Denver Public Schools, Vodafone, Go Auto, Stater Bros. Market
Find out what your peers are saying about Microsoft Exchange Online Protection (EOP) vs. Trellix Collaboration Security and other solutions. Updated: July 2025.
865,295 professionals have used our research since 2012.