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Microsoft Defender for Office 365 vs Trend Micro Cloud App Security [EOL] comparison

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Comparison Buyer's Guide

Executive Summary

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 Defender for Offi...
Average Rating
8.4
Reviews Sentiment
6.8
Number of Reviews
61
Ranking in other categories
Email Archiving (1st), Email Security (2nd), Advanced Threat Protection (ATP) (3rd), Microsoft Security Suite (9th), Secure Email Gateway (SEG) (2nd)
Trend Micro Cloud App Secur...
Average Rating
8.2
Reviews Sentiment
6.2
Number of Reviews
9
Ranking in other categories
No ranking in other categories
 

Featured Reviews

Emeka Ndulu - PeerSpot reviewer
Cloud Solutions Architect at a tech services company with 201-500 employees
Improves threat visibility and response while reducing manual tasks and training users against phishing
I appreciate the attack simulation feature whereby I get to train users and educate them on how to identify phishing emails and spam emails, as well as the anti-spam protection. It gives me visibility into my threat environment and threat landscape to ensure that I am one step ahead of any likelihood of threats within my environment. I get to detect it and respond, so the threat intelligence is very effective. Microsoft security solutions save my time. It saves money because once I protect my environment, I don't lose money. It has decreased my detection time and my time to respond.
Anuradha Buluwala - PeerSpot reviewer
Head of Technical at Connex Information Technologies Pvt Ltd
Useful for cloud data protection, particularly for email and file-sharing systems
For improvements, I think it would be great if Trend Micro Cloud App Security could enhance their product to be a single SASE solution. It should be similar to competitors like Palo Alto. The solution should also expand integration from the public cloud to the private cloud and add Cloud DLP and CASB features.

Quotes from Members

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

Pros

"Microsoft Defender for Office 365 is a stable solution."
"Microsoft Defender has a feature to protect each and every attachment. Even if it's an encrypted attachment, it will check for any potential threats."
"I like its investigation capabilities, as that is what is most important to me. It is fairly simple with a user-friendly interface."
"Microsoft Defender for Office 365 facilitates efficient management and updates through the cloud. We do not have to worry about incompatibilities. It just works."
"The stability of Microsoft Defender for Office 365 is fantastic."
"The most valuable feature is protection against malicious links, fishing, and impersonation. You can train people to be aware of these threats, but they're not always careful. When they're using their phones between meetings, they click on a link, and it's game over."
"The technical support is good and quick to resolve issues."
"There are several features that I consider valuable."
"The most valuable feature of Trend Micro Cloud App Security is its stability across all platforms."
"The initial setup is pretty straightforward."
"It has more intelligence features than other vendors."
"The solution is easy to integrate."
"This is a very dependable solution and we are able to have a lot of Trend Micro security products integrated between each other."
"Trend Micro Cloud App is easy to use and easy to install."
"I find Trend Micro Cloud App Security useful for scanning our email boxes. We can scan them one by one, which is a good feature. It's not just gateway-level protection - we integrate the email system with it. They have special protection and parameters for phishing emails."
"Our business emails are very important and Trend Micro Cloud App Security has provided a high level of protection. Additionally, there are updating the solution frequently."
 

Cons

"The product must provide better malware detection."
"I'd like some additional features any product can give me to protect our environment in a better way."
"Microsoft Defender for Office 365 must improve the overall management style, including the GUI. It also needs to change the filters so that it is easy to whitelist and blacklist data."
"The inbuilt analysis of false positives can be faster. It's not slow, but it can be faster."
"The phishing and spam filters could use some improvement."
"The visibility for the weaknesses in the system and unauthorized access can be improved."
"The changes to customer service, specifically the new model for support agreements, are not favorable."
"To improve Microsoft Defender for Office 365, it would be nice to have more accessibility for users to see on their end what they are doing that could cause a threat."
"In the next release, I would like to see the cost go down."
"The cost of the license is on the high side."
"Documentation could be improved; product cost is quite high."
"The granulation of the policy setup needs to be better. Right now, it is too basic."
"The price of the solution could improve by being lower."
"There is room for improvement in the DLP component of Trend Micro Cloud App Security."
"They should provide separate corporate-level licenses for two to three instances."
"It would be great if Trend Mail Cloud App Security would be joined with a web security solution, making it a multiple-network solution."
 

Pricing and Cost Advice

"Microsoft Defender for Office 365 is an add-on to the Office license. Many customers are purchasing this solution."
"It's a user-base subscription."
"I know that the product is incredibly expensive."
"The pricing has become expensive."
"Compared to other brands, Microsoft Defender for Office 365's pricing is competitive."
"Microsoft Defender is expensive. I typically recommend it only if clients have the budget. Otherwise, I would suggest an alternative."
"From the pricing point of view, like any other product in the market, there is scope for negotiation."
"I was working in the government and it was too expensive for us to use our Microsoft products."
"The solution's price is mid-ranged."
"The price of Trend Micro Cloud App Security is expensive for regular users. There are not any hidden fees. First-time users of the solution should purchase implementation packages or professional services."
"The pricing of the solution could be better."
"The cost of the license is on the high side. It's a yearly subscription."
"The product's pricing is reasonable compared to other vendors."
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Top Industries

By visitors reading reviews
Computer Software Company
11%
Manufacturing Company
10%
Financial Services Firm
9%
Comms Service Provider
8%
Performing Arts
13%
Comms Service Provider
9%
Construction Company
8%
Outsourcing Company
8%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business24
Midsize Enterprise11
Large Enterprise32
By reviewers
Company SizeCount
Small Business6
Midsize Enterprise1
Large Enterprise2
 

Questions from the Community

What is your experience regarding pricing and costs for Microsoft Defender for Office 365?
My experience with pricing, setup, and licensing is that it's actually quite reasonable even on the licensing side as a standalone product. It's very competitive compared to what competitors are ch...
What needs improvement with Microsoft Defender for Office 365?
I think Microsoft Defender for Office 365 can be improved by creating more educational pieces about not just looking for malware. We are seeing a lot more malware-less emails that Defender for Offi...
What is your primary use case for Microsoft Defender for Office 365?
My main use cases for Microsoft Defender for Office 365 include email hygiene.
What needs improvement with Trend Micro Cloud App Security?
For improvements, I think it would be great if Trend Micro Cloud App Security could enhance their product to be a single SASE solution. It should be similar to competitors like Palo Alto. The solut...
What is your primary use case for Trend Micro Cloud App Security?
We use the solution for cloud data protection, particularly for email and file-sharing systems. It integrates with Microsoft Office 365 and Google Suite to scan mailboxes for spam, viruses, and phi...
What advice do you have for others considering Trend Micro Cloud App Security?
We chose the solution because they've been Gartner leaders for over 15 years, have a good customer base, and are a well-established company. I'd rate the product an eight out of ten.
 

Also Known As

MS Defender for Office 365
No data available
 

Overview

 

Sample Customers

Microsoft Defender for Office 365 is trusted by companies such as Ithaca College.
MedImpact Healthcare Systems, ClubCorp USA, Copa Airlines, Aava, Azra Solutions, BSN INET Co, Ltd, Carhartt
Find out what your peers are saying about Proofpoint, Microsoft, Check Point Software Technologies and others in Email Security. Updated: August 2026.
913,683 professionals have used our research since 2012.