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Microsoft Exchange Online Protection (EOP) vs Trend Micro InterScan Messaging 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
7th
Average Rating
8.2
Reviews Sentiment
6.7
Number of Reviews
41
Ranking in other categories
Anti-Malware Tools (8th)
Trend Micro InterScan Messa...
Ranking in Email Security
34th
Average Rating
7.0
Reviews Sentiment
7.1
Number of Reviews
3
Ranking in other categories
Secure Email Gateway (SEG) (14th)
 

Mindshare comparison

As of October 2025, in the Email Security category, the mindshare of Microsoft Exchange Online Protection (EOP) is 5.4%, down from 7.9% compared to the previous year. The mindshare of Trend Micro InterScan Messaging Security is 0.6%, up from 0.5% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Email Security Market Share Distribution
ProductMarket Share (%)
Microsoft Exchange Online Protection (EOP)5.4%
Trend Micro InterScan Messaging Security0.6%
Other94.0%
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.
Abdul  Waris - PeerSpot reviewer
Deploy features like DLP and BEC for enhanced security
Multiple clients are using email security. We provide solutions based on what they need, and we configure them accordingly as per the requirement With Trend Micro email security gateway, we can deploy features like DLP and BEC. It includes Office 365 protection and sandboxing. This provides…

Quotes from Members

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

Pros

"The product protects against malware."
"It provides security to both on-premises and Azure infrastructures."
"The initial setup is just a standard process."
"The security features provided by Microsoft are robust."
"Microsoft Exchange Online Protection has features like DLP (data loss protection), Safe Attachment, and Safe Links."
"It is scalable."
"The most valuable features of Microsoft Exchange Online Protection are the EOP, ATP, safe links, fishing, and antispam."
"It is an easy solution."
"With Trend Micro email security gateway, we can deploy features like DLP and BEC."
"The technical support services are excellent."
"With Trend Micro email security gateway, we can deploy features like DLP and BEC."
"The solution provides protection with its Email Track Records and Machine Manual features."
 

Cons

"Microsoft 365 Defender and EOP policies are stable with the proper license. However, with the basic policy, it's hard to say it's stable due to configuration limitations."
"The solution must improve the user experience."
"The solution needs to improve its backup."
"We would like the solution to have more in-built intelligence in the way that it reviews potential security risks, rather than our team constantly having to update the policies."
"It would be helpful for customers if Plan 1 features were included with EOP."
"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."
"Performance and speed should continue to be improved."
"The security features could be better."
"There is room for improvement in content filtration, expressions, file sharing, and policy configuration."
"The product's pricing could be more flexible."
"There is room for improvement in content filtration, expressions, file sharing, and policy configuration."
"The solution's pricing could be improved."
 

Pricing and Cost Advice

"The product is bundled with Microsoft 365."
"The pricing for the solution depends on what you are trying to achieve with the use of the product, but I know that it is not a cheaply priced product. Yearly payments have to be made towards the licensing fees of the solution."
"On a scale of one to ten, where one is cheap, and ten is very expensive, I rate the pricing a six. For licensing, we can make monthly or yearly payments. Right now, we pay 5 USD per month to secure a person's license."
"Regarding the price, it's comparable to other service providers. We've also looked at Check Point's offerings, and the pricing doesn't seem to be an issue."
"The product is expensive."
"The tool's pricing is excellent."
"Microsoft Exchange Online Protection's pricing is a little bit more because its price has recently increased."
"The price of Microsoft Exchange Online Protection is reasonable."
"Trend Micro is an expensive solution."
"I rate Trend Micro InterScan Messaging Security’s pricing a seven out of ten."
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Top Industries

By visitors reading reviews
Computer Software Company
13%
Financial Services Firm
10%
Government
9%
Manufacturing Company
7%
Performing Arts
15%
Manufacturing Company
11%
Financial Services Firm
8%
Computer Software Company
7%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business24
Midsize Enterprise7
Large Enterprise10
No data available
 

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?
The user interface of Microsoft Exchange Online Protection (EOP) has room for improvement, as at times it doesn't make sense where to go to access certain features.
What is your primary use case for Microsoft Exchange Online Protection?
My use case for Microsoft Exchange Online Protection (EOP) is basically to protect ourselves from phishing emails and to improve our email security.
What is your experience regarding pricing and costs for Trend Micro InterScan Messaging Security?
The price is a bit high because the market is highly competitive. Multiple platforms are available, so we have to choose based on comparison.
What needs improvement with Trend Micro InterScan Messaging Security?
There is room for improvement in content filtration, expressions, file sharing, and policy configuration. We could decrease the price in email security gateway and cloud security services.
 

Also Known As

Microsoft EOP, MS Exchange Online Protection
InterScan Messaging Security
 

Overview

 

Sample Customers

Information Not Available
Copa Airlines, Air21, BookMyShow, Bulgarian American Credit Bank, Canadian Museum of History, CIBIL, Community National Bank, Dar Al-Handasah
Find out what your peers are saying about Microsoft Exchange Online Protection (EOP) vs. Trend Micro InterScan Messaging Security and other solutions. Updated: September 2025.
871,829 professionals have used our research since 2012.