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Microsoft Exchange Online Protection (EOP) vs Trend Micro InterScan Messaging Security [EOL] comparison

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Comparison Buyer's Guide

Executive SummaryUpdated on Jun 3, 2026

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

Cloudflare One
Sponsored
Average Rating
8.6
Reviews Sentiment
6.5
Number of Reviews
23
Ranking in other categories
Email Security (20th), Secure Web Gateways (SWG) (12th), Data Loss Prevention (DLP) (22nd), Cloud Access Security Brokers (CASB) (12th), Distributed Denial-of-Service (DDoS) Protection (8th), Software Defined WAN (SD-WAN) Solutions (13th), Access Management (12th), Bot Management (3rd), ZTNA as a Service (8th), ZTNA (4th), Secure Access Service Edge (SASE) (9th), Remote Browser Isolation (RBI) (2nd)
Microsoft Exchange Online P...
Average Rating
8.2
Reviews Sentiment
6.6
Number of Reviews
42
Ranking in other categories
Email Security (8th), Anti-Malware Tools (14th)
Trend Micro InterScan Messa...
Average Rating
7.0
Reviews Sentiment
7.1
Number of Reviews
3
Ranking in other categories
No ranking in other categories
 

Featured Reviews

CV
Network Architect at IP Dimension
Cloud security has improved remote access and has reduced costs for smaller client sites
I have used Cloudflare One's Identity-Aware Proxy, and it is quite straightforward from what I have seen so far. The app registration on the Azure side integrates fully into Cloudflare, and I am very satisfied with that part because it is easy to set up. The integration of Cloudflare One's Secure Web Gateway and Zero Trust Network Access works without any issues. That part is pretty automatic, and if you complete the rest of the setup, it comes together by itself with no issues from my side. What makes it nice is that we can actually start replacing on-site firewalls at this stage for the smaller clients because it does not matter if they go to a coffee shop or work from home; they are still secured by the same connection. The hops get shorter and you get better latency. We have done testing to see if it is better. One thing that we did notice with our proof of concept with our current client is that they have people connecting from the UK. When they used their previous VPN solution, uploading CAD drawings and other files to the server took a long time. They mentioned that it is much quicker on Cloudflare One's solution. I definitely believe that is part of the improved performance, and I am satisfied with that as well. What is nice about Cloudflare One is that it makes the setup easier and also easier to train technicians to maintain it. Compared to legacy systems, we do not need to get fancy firewalls in place that are costly. That is definitely also a cost-saver with Cloudflare One.
NancyHartman - PeerSpot reviewer
Business Process Manager/ Educational Technologist at a educational organization with 1,001-5,000 employees
Layered email security has protected sensitive research and still flags phishing in real time
The valuable features of Microsoft Exchange Online Protection (EOP) include providing an additional layer of protection, as it builds on the basic Exchange level of security that allows us to get our work done. Another feature I appreciate is the ability to question things, as our Exchange server allows us to identify in real-time if an email is a phishing email or spam email. It really helps us identify risks, especially through our external exchanges via email or through our cloud-based platforms. Our Exchange system blocks any embedded AI from all our applications and products, so we cannot use embedded AI in our daily work from our official laptops because we have secure information. The system is quite locked down.
Abdul  Waris - PeerSpot reviewer
Tech Operations at Martin Dow Limited
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

"What makes it nice is that we can actually start replacing on-site firewalls at this stage for the smaller clients because it does not matter if they go to a coffee shop or work from home; they are still secured by the same connection."
"We mostly use Cloudflare WAF, and gets basic Cloudflaire DDoS, caching as extra bonus . We like the factor these features are all integrated into 1 console, simple to manage."
"Cloudflare Zero Trust Platform removes the risk of exposing the applications to the public."
"Cloudflare is simple to use."
"The solution has different options that can be used to differentiate DDoS attacks."
"Cloudflare DDoS mitigates DDoS attacks."
"Cloudflare is by far the most effective solution that I have come across."
"Cloudflare, in my opinion, was easy to implement."
"The initial setup was easy. The configuration process is very straightforward."
"It is useful for local users and our company because we use Microsoft 365."
"I like the product's ZAP feature."
"We can migrate seamlessly without any disruptions to our operations."
"I rate Microsoft Exchange Online Protection (EOP) nine out of ten."
"It is an easy solution."
"It's all running in the backend, so it doesn't affect the app functionality."
"The email policy configuration options in Microsoft EOP are satisfactory."
"The solution provides protection with its Email Track Records and Machine Manual features."
"The technical support services are excellent."
"With Trend Micro email security gateway, we can deploy features like DLP and BEC."
 

Cons

"They don't have a person to provide support for customers using the solution under their free plan."
"I would like them to include a VPN feature to provide a secure connection to the data center."
"The initial onboarding was causing us some confusion."
"There are premium tier live service and lower tier live service, so we opted for the lower tier. But there is no medium tier where we pay a little extra and get a bit more service. So if that can be improved."
"The software has automated alerts, but the automated alerts are not available in the mobile app."
"The pricing is an area that can be improved. Pricing, as far as I recall, was the source of our problems."
"The onboarding process can be improved a little bit."
"Our customers no longer use Cloudflare because its service is subpar."
"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 licensing can be on the expensive side, especially in the cloud space."
"The solution must improve the user experience."
"The price of Microsoft Exchange Online Protection could be reduced to make it more competitive."
"The tool is not 100% stable."
"I am somewhat happy with technical support from Microsoft. Sometimes it takes a while to get through to the right person or team."
"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."
"The product's end-of-life cycle could be extended."
"The product's pricing could be more flexible."
"The solution's pricing could be improved."
"There is room for improvement in content filtration, expressions, file sharing, and policy configuration."
 

Pricing and Cost Advice

"The pricing of the solution is cheap. The licensing cost is also very low. I rate the cost and pricing a three out of ten."
"My company has to make yearly payments towards the licensing costs attached to the solution. There are no hidden charges apart from the licensing costs of the solution."
"The price tag is no longer $200,000, but rather $300,000 to $400,000. It's twice."
"Cloudflare Zero Trust Platform's pricing is good."
"The solution's pricing lacks transparency."
"The solution is not that expensive."
"The pricing is somewhere in the middle. I would rate the pricing a seven out of ten."
"The prices are slightly expensive."
"Microsoft Exchange Online Protection is a good solution at an affordable price. It is a good investment."
"Microsoft Exchange Online Protection's pricing is a little bit more because its price has recently increased."
"It's a high price."
"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."
"The solution falls on the higher or more expensive side of the spectrum."
"The pricing of the solution is reasonable."
"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."
"The price of Microsoft Exchange Online Protection is reasonable."
"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
Construction Company
19%
Comms Service Provider
11%
Outsourcing Company
9%
Financial Services Firm
8%
Financial Services Firm
11%
Manufacturing Company
9%
Computer Software Company
8%
Government
8%
Performing Arts
15%
Manufacturing Company
11%
Financial Services Firm
9%
Construction Company
9%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business10
Midsize Enterprise1
Large Enterprise12
By reviewers
Company SizeCount
Small Business24
Midsize Enterprise7
Large Enterprise11
No data available
 

Questions from the Community

What needs improvement with Cloudflare Zero Trust Platform?
In my opinion, Cloudflare One can be improved mainly through compatibility, as the integration should be much simpler...
What is your primary use case for Cloudflare Zero Trust Platform?
Cloudflare One's primary use case for my organization is to protect servers and to provide remote access with the VPN...
What needs improvement with Microsoft Exchange Online Protection?
From an end-user point of view, I am quite happy with Microsoft Exchange Online Protection (EOP) because my favorite ...
What is your primary use case for Microsoft Exchange Online Protection?
Microsoft Exchange Online Protection (EOP) serves as the main use case for my company because, as a research company,...
What advice do you have for others considering Microsoft Exchange Online Protection?
My experience with Microsoft Exchange Online Protection (EOP) is from an end-user perspective, and I do not have admi...
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 cho...
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 de...
What is your primary use case for Trend Micro InterScan Messaging Security?
Multiple clients are using email security. We provide solutions based on what they need, and we configure them accord...
 

Also Known As

Cloudflare Area 1 Email Security, Cloudflare Bot Management, Cloudflare Gateway, Cloudflare Zero Trust Platform, Cloudflare DDoS, Cloudflare SASE & SSE Platform
Microsoft EOP, MS Exchange Online Protection
InterScan Messaging Security
 

Overview

 

Sample Customers

23andMe
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 Proofpoint, Microsoft, Check Point Software Technologies and others in Email Security. Updated: July 2026.
908,858 professionals have used our research since 2012.