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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

"Microsoft Exchange Online Protection has features like DLP (data loss protection), Safe Attachment, and Safe Links."
"It's all running in the backend, so it doesn't affect the app functionality."
"It offers great security against malware and other threats."
"The scalability is pretty good; it does what it is supposed to do."
"The most valuable feature is the ease of administration. Other solutions require complex administration, but Microsoft Exchange Online Protection is easier."
"It is scalable."
"We use the solution to receive emails. We do not use the calendar function as our clients are slow adaptors to the latest features."
"The product protects against malware."
"The solution provides protection with its Email Track Records and Machine Manual features."
"With Trend Micro email security gateway, we can deploy features like DLP and BEC."
"With Trend Micro email security gateway, we can deploy features like DLP and BEC."
"The technical support services are excellent."
 

Cons

"The solution needs to improve its backup."
"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."
"Microsoft has some training portals, but more could be developed."
"If a company wants to put in line back-to-back anti-spam solutions, they need to work on that part because Microsoft recommends either you use EOP as a front line or you don't use it."
"The security features could be better."
"It doesn't protect against everything. We do need protection for, for example, endpoints."
"The price of Microsoft Exchange Online Protection could be reduced to make it more competitive."
"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's pricing could be improved."
"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."
 

Pricing and Cost Advice

"The solution should reduce the cost."
"The pricing of the solution is reasonable."
"The solution is priced high and could be less expensive compared to other solutions."
"Microsoft Exchange Online Protection's pricing is a little bit more because its price has recently increased."
"It's a high price."
"The tool's pricing is excellent."
"The product is expensive."
"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."
"I rate Trend Micro InterScan Messaging Security’s pricing a seven out of ten."
"Trend Micro is an expensive solution."
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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.