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Microsoft Defender for Office 365 vs Microsoft Purview Data Governance comparison

 

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:
 

ROI

Sentiment score
6.9
Microsoft Defender for Office 365 offers strong ROI through security enhancements, cost savings, and improved company productivity despite measurement challenges.
Sentiment score
6.8
Microsoft Purview improves efficiency, security, and compliance, offering significant long-term ROI despite initial setup efforts.
It has also decreased our time to detection and response by about 15 to 20 percent.
Technology support manager at Alfred State College
Overall, cost of owning and operating our system goes down.
Designation Chief Consultant at Avtow
It's hard to quantify the return on investment we've seen from Microsoft Defender for Office 365.
Chief Architect at a tech vendor with 1,001-5,000 employees
Clients benefit from using a one-stop-shop solution, increasing their visibility across different platforms.
Mcafee Epo Administrator at Consultant/Converge Technology Solutions
 

Customer Service

Sentiment score
5.8
Microsoft Defender for Office 365 users rate support highly, praising its responsiveness and 24/7 availability, despite occasional documentation and communication issues.
Sentiment score
5.5
Microsoft Purview's customer service is mixed, with quick, knowledgeable support but delays and insufficient expertise for complex issues.
Over the past two years, there have been no critical problems.
Solution Consultant at BIM Group of Companies
we opened tickets, and they typically resolve them quickly.
Chief Architect at a tech vendor with 1,001-5,000 employees
With a subscription for Microsoft Defender for Office 365, it is an eight. Without it, it is a six.
Manager at a tech services company with 10,001+ employees
Overall, it doesn't meet our expectations.
Manager, Service Delivery & Solutions Architect at a computer software company with 1,001-5,000 employees
They're skillful people who know what they're doing in their space.
Dex engineer at a tech vendor with 1,001-5,000 employees
I have a dedicated team as a government agency, and Microsoft assists us promptly.
Data Governance Advisor at a government with 501-1,000 employees
 

Scalability Issues

Sentiment score
7.8
Microsoft Defender for Office 365 offers scalable, efficient protection for large enterprises, ensuring seamless growth across diverse industries.
Sentiment score
7.6
Microsoft Purview Data Governance offers scalable performance, adaptable for diverse environments, with flexible architecture and ongoing scalability updates.
We have never faced scalability problems, and Microsoft manages it effectively.
Solution Consultant at BIM Group of Companies
Microsoft Defender for Office 365 scales transparently for us, as we grew from 1,000 users to 3,000 users, and we didn't notice much difference.
Chief Architect at a tech vendor with 1,001-5,000 employees
Microsoft Defender for Office 365 scales with the growing needs of my company well.
Senior Client Director and Advisory Service Leader at Crossfuze
With automation, you can label five documents or 50,000 with the same amount of clicks.
Dex engineer at a tech vendor with 1,001-5,000 employees
It allows for one-to-one connections with different types of servers, either cloud-based like AWS, or physical servers.
Data Governance Advisor at a government with 501-1,000 employees
The product is scalable and works across multi-cloud and multi-platform environments.
Mcafee Epo Administrator at Consultant/Converge Technology Solutions
 

Stability Issues

Sentiment score
7.7
Microsoft Defender for Office 365 provides 99.9% uptime with minor issues, ensuring reliable performance and seamless cloud integration.
Sentiment score
7.5
Microsoft Purview is highly stable, evolving consistently, with users appreciating its reliability despite occasional bugs and network issues.
I would rate the stability of Microsoft Defender for Office 365 as 10 over 10 because it's highly available, it works, and it does the job it is meant to do.
Cloud Solutions Architect at a tech services company with 201-500 employees
I have not experienced any downtime, crashes, or performance issues because of Defender.
Technology Associate at a financial services firm with 51-200 employees
The solution is stable, as we have been using it for the past two years.
Solution Consultant at BIM Group of Companies
It can take seven days to 24 hours to determine whether a policy is effective.
Mcafee Epo Administrator at Consultant/Converge Technology Solutions
Microsoft Purview Data Governance is absolutely fine in terms of stability.
Data Governance Advisor at a government with 501-1,000 employees
 

Room For Improvement

Users call for enhanced virus detection, cross-platform support, and pricing transparency in Microsoft Defender for Office 365.
Microsoft Purview struggles with non-Azure data lineage, integration issues, limited macOS features, and requires better support and documentation.
The main area for improvement is simplifying the implementation and rollout process.
Infrastructure and Security Lead at Vedanta
Microsoft could improve by offering recommendations for domain spoofing attacks, especially scenarios where DNS records like SPF, DKIM, and DMARC are not properly published.
Solution Consultant at BIM Group of Companies
There is a different console for different things; I just want one consolidated console.
Senior Director, Security Architecture & Engineering at a leisure / travel company with 10,001+ employees
It's essential to know if a feature isn't working due to missing licenses.
Mcafee Epo Administrator at Consultant/Converge Technology Solutions
There are some problems with DLP rules, and it would be great if the security around DLP could be expanded.
Cloud Security Specialist at a aerospace/defense firm with 10,001+ employees
A watermark feature or similar tools to help enhance security for end users could be added.
Manager, Service Delivery & Solutions Architect at a computer software company with 1,001-5,000 employees
 

Setup Cost

Microsoft Defender for Office 365 pricing is seen as flexible but potentially expensive, offering value in comprehensive security features.
Microsoft Purview Data Governance is generally viewed as reasonably priced but has varied opinions on its cost-effectiveness.
We've likely saved 30% of costs.
Designation Chief Consultant at Avtow
Money-wise, it is a part of the Office 365 suite, making it slightly more expensive compared to Trend Micro.
Infrastructure and Security Lead at Vedanta
Microsoft is quite affordable with a lot of features available for any size organization.
Solution Consultant at BIM Group of Companies
The feature might be available in the console, but it won't work without the proper license, creating confusion.
Mcafee Epo Administrator at Consultant/Converge Technology Solutions
Microsoft Purview Data Governance is quite affordable compared to other market solutions, which have high initial costs.
Data Governance Advisor at a government with 501-1,000 employees
I'm not exactly sure how much our license costs, but it is very expensive.
Senior IT Security Risk & Compliance Analyst at a government with 501-1,000 employees
 

Valuable Features

Microsoft Defender for Office 365 enhances email security with anti-phishing, anti-malware, threat intelligence, and seamless integration for efficient management.
Microsoft Purview excels in data governance with Azure integration, compliance support, multi-cloud protection, and AI-driven data management.
It ranks the threats and allows us to prioritize those hitting us the hardest, such as email threats.
Technology support manager at Alfred State College
It provides end-to-end visibility on email threats such as phishing, extending beyond Exchange Online Protection.
Solution Consultant at BIM Group of Companies
The value of the DLP feature is significant to us because we have internal data, sometimes sensitive, and the users may not always be aware of security and privacy, which might lead them to send out information mistakenly to external parties.
Chief Architect at a tech vendor with 1,001-5,000 employees
It provides a comprehensive view of the entire ecosystem's threats and compliance in real time.
Manager, Service Delivery & Solutions Architect at a computer software company with 1,001-5,000 employees
The sensitivity labeling is the most valuable feature because it is the foundation for automating the encryption process and ensuring proper data handling across the organization.
Dex engineer at a tech vendor with 1,001-5,000 employees
Microsoft Purview Data Governance has helped my company by finding insider risks, ensuring data loss prevention, and achieving compliance to make sure everybody is compliant.
Senior IT Security Risk & Compliance Analyst at a government with 501-1,000 employees
 

Categories and Ranking

Microsoft Defender for Offi...
Ranking in Microsoft Security Suite
10th
Average Rating
8.4
Reviews Sentiment
6.8
Number of Reviews
60
Ranking in other categories
Email Archiving (1st), Email Security (1st), Advanced Threat Protection (ATP) (2nd), Secure Email Gateway (SEG) (1st)
Microsoft Purview Data Gove...
Ranking in Microsoft Security Suite
8th
Average Rating
7.6
Reviews Sentiment
6.7
Number of Reviews
59
Ranking in other categories
Data Governance (1st)
 

Mindshare comparison

As of January 2026, in the Microsoft Security Suite category, the mindshare of Microsoft Defender for Office 365 is 3.6%, up from 2.4% compared to the previous year. The mindshare of Microsoft Purview Data Governance is 4.5%, down from 5.2% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Microsoft Security Suite Market Share Distribution
ProductMarket Share (%)
Microsoft Purview Data Governance4.5%
Microsoft Defender for Office 3653.6%
Other91.9%
Microsoft Security Suite
 

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.
AS
Tech lead at a healthcare company with 5,001-10,000 employees
Automated data discovery has streamlined management while configuration remains complex
Compared to Big-ID, Microsoft Purview Data Governance looks complicated to me. I do not feel it has a good user-level UI. The interface feels a little complicated compared to Big-ID. I did not appreciate the configuration part. It felt complex, whereas when I went for a Big-ID demo, the interface looked better and was easier to understand for any user.
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Top Industries

By visitors reading reviews
Computer Software Company
15%
Financial Services Firm
8%
Manufacturing Company
8%
Comms Service Provider
6%
Financial Services Firm
15%
Computer Software Company
11%
Government
9%
Manufacturing Company
8%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business23
Midsize Enterprise10
Large Enterprise31
By reviewers
Company SizeCount
Small Business20
Midsize Enterprise13
Large Enterprise31
 

Questions from the Community

What needs improvement with Microsoft Defender for Office 365?
The inbuilt analysis of false positives can be faster. It's not slow, but it can be faster.
What is your primary use case for Microsoft Defender for Office 365?
My use case for Microsoft Defender for Office 365 is for email protection, safe links, protection of links, documents, protecting my documents, and protecting attachments. I also use it to conduct ...
What do you like most about Microsoft Azure Purview?
It is designed to seamlessly connect to various data sources, which is particularly beneficial for our customers who primarily use Microsoft technologies.
What is your experience regarding pricing and costs for Microsoft Azure Purview?
Microsoft Purview Data Governance is quite affordable compared to other market solutions, which have high initial costs. It allows for a cost-effective start with negligible initial cost. However, ...
What needs improvement with Microsoft Azure Purview?
Compared to Big-ID, Microsoft Purview Data Governance looks complicated to me. I do not feel it has a good user-level UI. The interface feels a little complicated compared to Big-ID. I did not appr...
 

Also Known As

MS Defender for Office 365
Microsoft Purview, MS Azure Purview
 

Overview

 

Sample Customers

Microsoft Defender for Office 365 is trusted by companies such as Ithaca College.
Information Not Available
Find out what your peers are saying about Microsoft Defender for Office 365 vs. Microsoft Purview Data Governance and other solutions. Updated: December 2025.
879,853 professionals have used our research since 2012.