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Microsoft Defender External Attack Surface Management vs Trend Vision One comparison

 

Comparison Buyer's Guide

Executive SummaryUpdated on Dec 28, 2025

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 External...
Ranking in Attack Surface Management (ASM)
14th
Average Rating
7.6
Reviews Sentiment
6.0
Number of Reviews
2
Ranking in other categories
Microsoft Security Suite (33rd)
Trend Vision One
Ranking in Attack Surface Management (ASM)
3rd
Average Rating
8.6
Reviews Sentiment
7.1
Number of Reviews
95
Ranking in other categories
Endpoint Detection and Response (EDR) (4th), Network Detection and Response (NDR) (3rd), Extended Detection and Response (XDR) (2nd), AI-Powered Cybersecurity Platforms (3rd), AI Security (2nd)
 

Mindshare comparison

As of January 2026, in the Attack Surface Management (ASM) category, the mindshare of Microsoft Defender External Attack Surface Management is 3.1%, up from 2.6% compared to the previous year. The mindshare of Trend Vision One is 2.5%, down from 7.0% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Attack Surface Management (ASM) Market Share Distribution
ProductMarket Share (%)
Trend Vision One2.5%
Microsoft Defender External Attack Surface Management3.1%
Other94.4%
Attack Surface Management (ASM)
 

Featured Reviews

AndyChan3 - PeerSpot reviewer
General manager at a tech services company with 201-500 employees
Enhanced visibility and exposes vulnerabilities but needs more integration
I am currently in the pilot stage of implementing Microsoft External Attack Surface Management (EASM). My organization is transitioning to a comprehensive track of Microsoft solutions, and we will move to full-scale production in another year, maybe Microsoft External Attack Surface Management…
SemihDalkıran - PeerSpot reviewer
Cyber Security Senior Technical Consultant at a consultancy with 11-50 employees
Built faster threat response and improved visibility with real-time monitoring and flexible deployment
Trend Vision One allows us to monitor attacks in real time, which is a significant benefit. We can quickly see where the attack is coming from. Trend Vision One enables us to use different products with a flexible license. For example, if a customer is using endpoint security and wants to switch to another solution, they can instantly use a different Trend Micro product, such as email. Trend Vision One has helped to reduce the time to detect and respond to different threats, as it can respond to attacks very quickly. With playbook templates, in cases of recurring attacks, responses can be made quickly using predefined playbooks. Trend Vision One has helped to reduce noise from false positives. There have been false positives before, but it was due to the customer not telling us which app they were using. Best practice configurations must be applied properly to avoid such issues. Trend Vision One helps customers consolidate the use of security vendors and reduce silos by offering one platform for all product management.

Quotes from Members

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

Pros

"Microsoft External Attack Surface Management helps improve the visibility of my exposed vulnerabilities and provides an overview of my security posture across the globe."
"It seems to be better at protecting from cyberattacks."
"Microsoft External Attack Surface Management helps improve the visibility of my exposed vulnerabilities and provides an overview of my security posture across the globe."
"One of the best decisions we made was choosing Trend Vision One; it has transformed our entire security and cybersecurity landscape, providing a one-stop solution to manage everything efficiently and effectively."
"The solution is very easy to use."
"I like Vision One's observed attack techniques feature. It lets you see what an attacker is doing, how they have tried to exploit a machine, or how malicious code is operating. It helps us discover indicators of compromise so we can write better rules for detection."
"The workbench alerts provide valuable insights into attack chains and relevant information, while Observer techniques give a comprehensive overview of ongoing activities."
"Trend Vision One offers superior integrations, enhanced tool capabilities, and expanded solutions for network security, firewalls, and remote malware scanning."
"The solution doesn't require frequent maintenance, and services are not regularly interrupted."
"Its detection rate is valuable. It is really an easy product to install and manage. It is quite effective at what it does, and if needed, it can also be co-managed, which means 24 hours and seven days a week monitoring through a SOC."
"The SOC team is the most valuable feature for us because having experts who monitor global threat landscapes and can respond accordingly is incredibly helpful."
 

Cons

"Further integration across different Microsoft products would be an improvement."
"The integration is not as seamless compared to competitors like Palo Alto."
"With Microsoft, support is always crazy, it's not easy to get support."
"The features of Trend Vision One are fine—it's the integration that needs work. Especially at the endpoint level, we still feel like we're using an older product that just got plugged into Trend Vision One."
"Improving the user interface would be helpful—it can be confusing, especially if you do not use it daily."
"When you deploy these tools from Trend Micro, the integration and getting them to work together, are among the more difficult pieces of the puzzle. But when you get that set up and working, you're glad you did."
"Trend Vision One has some usability issues."
"Trend Vision One would be enhanced by incorporating an SIEM solution as a built-in feature."
"A room for improvement in Trend Micro XDR is more visibility into the alerts. We do get alerts from the solution, but when we are away, we need to have more visibility."
"There are no specific missing features at the moment, though improvement is always possible in making things more intuitive and easier to use."
"For XDR threat investigation, there is not enough documentation about how to search for different keywords. The documentation for keywords used in attack techniques is lacking, making it difficult to understand certain aspects."
 

Pricing and Cost Advice

Information not available
"It is costly. It is not that affordable for a small organization. Only big organizations can afford it. It is a new feature that has been added, so its price is fair. Its licensing is probably subscription-based. It is for one or two years."
"Trend Micro XDR is expensive."
"Trend Vision One is cost-effective because it offers detailed reporting and environment control features."
"While the pricing and licensing for Trend Vision One are generally acceptable, the need to purchase additional features separately adds complexity."
"Trend Micro XDR is expensive but we got a good deal from Trend Micro."
"Its price is very decent. It suits our requirements."
"Competitors offer comparable solutions at slightly lower prices, so Vision One has room to reduce its pricing by 15 percent, given that Trend Vision One charges approximately $10 per endpoint."
"I find it to be a cost-efficient platform."
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Top Industries

By visitors reading reviews
Computer Software Company
17%
Financial Services Firm
12%
Energy/Utilities Company
6%
Outsourcing Company
6%
Computer Software Company
21%
Manufacturing Company
8%
Comms Service Provider
7%
Healthcare Company
6%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
No data available
By reviewers
Company SizeCount
Small Business48
Midsize Enterprise11
Large Enterprise39
 

Questions from the Community

What needs improvement with Microsoft Defender External Attack Surface Management?
Further integration across different Microsoft products would be an improvement. Introduction of more AI automation into the products would also be beneficial. The integration is not as seamless co...
What is your primary use case for Microsoft Defender External Attack Surface Management?
I am currently in the pilot stage of implementing Microsoft External Attack Surface Management (EASM). My organization is transitioning to a comprehensive track of Microsoft solutions, and we will ...
What do you like most about Trend Micro XDR?
I appreciate the value of real-time activity monitoring.
What is your experience regarding pricing and costs for Trend Micro XDR?
Trend Vision One is not so expensive; it is very moderate.
What needs improvement with Trend Micro XDR?
Trend Vision One needs to work on its logging system as the logging systems are very complex, and they need to reform their logs in a more informative way.
 

Also Known As

No data available
Trend Micro XDR, Trend Micro XDR for Users, Trend Vision One - XDR for Networks
 

Interactive Demo

Demo not available
 

Overview

 

Sample Customers

Information Not Available
Panasonic North America, Decathlon, Fischer Homes, Banijay Benelux, Unigel, DHR Health,
Find out what your peers are saying about Microsoft Defender External Attack Surface Management vs. Trend Vision One and other solutions. Updated: December 2025.
879,443 professionals have used our research since 2012.