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Microsoft Defender for IoT vs Microsoft Purview Data Loss Prevention 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 IoT
Ranking in Microsoft Security Suite
22nd
Average Rating
7.8
Reviews Sentiment
6.1
Number of Reviews
6
Ranking in other categories
IoT Security (4th), Operational Technology (OT) Security (6th)
Microsoft Purview Data Loss...
Ranking in Microsoft Security Suite
11th
Average Rating
8.0
Reviews Sentiment
6.8
Number of Reviews
36
Ranking in other categories
Data Loss Prevention (DLP) (1st)
 

Mindshare comparison

As of November 2026, in the Microsoft Security Suite category, the mindshare of Microsoft Defender for IoT is 1.6%, up from 0.7% compared to the previous year. The mindshare of Microsoft Purview Data Loss Prevention is 2.9%, up from 2.8% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Microsoft Security Suite Mindshare Distribution
ProductMindshare (%)
Microsoft Purview Data Loss Prevention2.9%
Microsoft Defender for IoT1.6%
Other95.5%
Microsoft Security Suite
 

Featured Reviews

Luis Gabriel Mieles Benavides - PeerSpot reviewer
Cloud Architect at Sonda S.A.
Security monitoring has become proactive and threat hunting is now faster and more precise
The best features of Microsoft Defender for IoT are that it is easy to find where the intruder is and easy to capture and hunt intruders. When I need to send a full scan for a device, it is straightforward. I have worked with Symantec, which is an antivirus, and McAfee, where I send full scans in a similar way to how I do it in Azure Defender, and it is equally easy. I can take actions with the device, such as disconnecting it, turning it off, or sending an alarm. The integration with Azure Defender and Azure Sentinel is seamless because they are from the same company. They capture intruders, viruses, worms, and everything else easily, and I can fix problems quickly. I use the network visibility features daily to manage connected assets. Currently, I am closing a case with Mutual Asesorías where they have a computer with intruders attempting to force brute capture the password. I can see how the intruder tried to do this, and my work involves closing the IP origin in this case.
Rohit Jaiswar - PeerSpot reviewer
Soc Anaylst at Softcell Technologies Limited
Integrated controls have reduced insider risk and now protect sensitive data across our workforce
One standout feature about Microsoft Purview Data Loss Prevention is the tight integration with Insider Risk Management and Defender XDR, as it gives much better context during investigations instead of treating DLP as an isolated alerting tool. We also use endpoint DLP heavily to control USB, copy, print, clipboard, and browser upload activity, which has been very effective for remote workforce security. The best features Microsoft Purview Data Loss Prevention offers include real-time policy enforcement, endpoint DLP, and deep integration with Microsoft 365 plus Defender XDR. We also heavily rely on sensitive information type detection, adaptive policy tips, and insider risk integration to investigate suspicious user behavior with proper context. Another standout feature is the ability to control USB copy, browser uploads, print clipboards, and cloud sharing actions directly from endpoint policies. The integration with Microsoft Defender 365 and Defender XDR helps our team in day-to-day operations because DLP alerts are automatically correlated with endpoint identity, email, and user activity telemetry, which helps the SOC investigate incidents much faster from a single workflow. The sensitive information type detection makes a difference compared to other tools we have used because it is more effective than many legacy DLP tools. It understands context, exact data patterns, document labeling, and Microsoft 365 native content, reducing false positives while improving detection accuracy. Another strong feature of Microsoft Purview Data Loss Prevention is auto-labeling and policy inheritance with Microsoft's Information Protection, which helps maintain protection even after files are shared or moved across workloads. We also value the user coaching or policy tip capability because it educates users in real time instead of only blocking actions, which reduces repeated DLP violations significantly.

Quotes from Members

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

Pros

"The graphics and analysis in Microsoft Defender for IoT are very representative."
"As a cybersecurity consultant, the best part of Microsoft Defender for IoT is the capability to integrate with other tools such as Microsoft Sentinel and receive real-time alerts from the product."
"Some advantages of Microsoft Defender for IoT are that it's easy to install on any OS, and you can create any custom use cases easily."
"I believe it is best suited for cloud services and is unmatched by other cloud security solutions."
"I find Microsoft Defender very effective in vulnerability management and it provides good attack reduction, making it a next-generation protection solution."
"The best features of Microsoft Defender for IoT are that it is easy to find where the intruder is and easy to capture and hunt intruders."
"Mainly, it is manageable and integrates with other Microsoft products, which is crucial for me."
"Microsoft Purview Data Loss Prevention has significantly improved our data security posture by reducing the risk of accidental data leaks and helping to meet compliance requirements."
"The product is easy to configure."
"The feature I appreciate most about Microsoft Purview Data Loss Prevention is the native synchronization between the tool and all the Office applications that the customer already has."
"Microsoft Purview's classification and policy controls impact users' productivity within my organization very positively, as it does not get in the way of their working."
"We have reduced sensitive data leakage incidents by 50 to 60 percent, which has lowered compliance and breach-related risks significantly."
"Microsoft Purview Data Loss Prevention protects the organization from user data getting out that should not be out and works very well when assessing the ability to prevent unauthorized sharing of sensitive information."
"The impact of Microsoft Purview Data Loss Prevention's classification and policy controls on our productivity within our organization is significant, as it's helped our security team."
"The solution is very stable and extremely reliable."
 

Cons

"The primary area that needs improvement is compatibility with the latest IoT technologies."
"Customer service and support from Microsoft are costly. The execution by engineers is expensive, and the service is neither free nor toll-free, making it less accessible for customers."
"Microsoft Defender for IoT is not scalable. If you want to monitor another industrial network, you need an additional server, making it less scalable."
"The only improvement I see is that some detection explanations are vaguely provided by Microsoft, resulting in generic IoT detections that alert me to an issue yet don't specify what's wrong."
"The documentation for Microsoft Defender for IoT is lacking. There are no clear steps or guidance, and updates are frequent, which adds to the confusion."
"There are a few limitations with Microsoft Defender for IoT. We raised concerns with the product team because they don't capture all the information regarding command execution or processes executed on certain endpoints."
"Technical support is awful."
"There is no AIP for Linux systems. That's a setback. Another thing it's lacking is libraries to work with Python. It has libraries for C# and C++, for example, but not for Python and, these days, Python is very useful."
"I rate the overall solution 3 out of 10."
"Endpoint Data Loss Prevention needs to be improved as it is not up to expectations."
"There is a lot of ambiguity when you are setting up labels, such as sensitive information labels. It is a little daunting at first if you don't have prior knowledge, and there is a little bit of a learning curve for setting up the labels. Some of the setup wizards could be more helpful from an AI perspective. They can streamline the setup through more AI technologies so that you don't have to jump through so many hoops and different menus and dropdowns. It would be useful to have a setup wizard that is more hands-off and engaging for setting up the information type labels. If you tell them this is what we're trying to protect, it should basically start to lead you down that path of best practices. Such a feature would be great."
"It could cover more solutions and technologies."
"The solution should provide better integration with other systems."
"Microsoft Purview Data Loss Prevention could be improved with simpler policy configuration, a more robust reporting dashboard, and better support for third-party applications outside the Microsoft ecosystem."
 

Pricing and Cost Advice

Information not available
"Though I am not a specialist, the tool is quite expensive."
"You get the solution in a bundle if you get the E5 suite."
"The cost works out to about $15 per user per month."
"Microsoft Purview Data Loss Prevention is part of a bundle and is not sold as a standalone product."
"I am satisfied with the tool's pricing."
"The solution’s pricing is reasonable."
"The pricing is reasonable."
"It's a little bit pricey compared to competitors, but it's not too high."
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Top Industries

By visitors reading reviews
Manufacturing Company
15%
Computer Software Company
9%
Financial Services Firm
7%
Comms Service Provider
6%
Financial Services Firm
14%
Outsourcing Company
9%
Manufacturing Company
8%
Computer Software Company
7%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
No data available
By reviewers
Company SizeCount
Small Business17
Midsize Enterprise7
Large Enterprise15
 

Questions from the Community

What is your experience regarding pricing and costs for Microsoft Defender for IoT?
In my case, I do not work with the pricing for Microsoft Defender for IoT because I work for the operator. However, I know that every device costs $15 per device, and I think this is a good price a...
What needs improvement with Microsoft Defender for IoT?
At this moment, there are no areas that could be improved with Microsoft Defender for IoT in general. When I look inside the solution, I can see every point and every source of attempted intrusions...
What is your primary use case for Microsoft Defender for IoT?
Sonda is an integrator with its head office in Chile. I work from Colombia for a Chilean company that has many different types of clients. I currently work for Mutual Asesorías, which is a financia...
What is your experience regarding pricing and costs for Microsoft Purview Data Loss Prevention?
The pricing for Microsoft Purview Data Loss Prevention was manageable for us because we already had Microsoft 365 and Purview-related licensing, but advanced DLP and insider risk features became ex...
What needs improvement with Microsoft Purview Data Loss Prevention?
Microsoft Purview Data Loss Prevention can be improved as the endpoint DLP policy tuning can be complex in large environments, especially when balancing security with user productivity. False posit...
What is your primary use case for Microsoft Purview Data Loss Prevention?
Microsoft Purview Data Loss Prevention is used for monitoring and preventing sensitive data exfiltration across Exchange Online, Teams, SharePoint, OneDrive, and endpoints. From a SOC's perspective...
 

Also Known As

Azure Defender for IoT
Microsoft Endpoint Data Loss Prevention, MS Endpoint DLP, Microsoft Endpoint DLP
 

Overview

Find out what your peers are saying about Microsoft Defender for IoT vs. Microsoft Purview Data Loss Prevention and other solutions. Updated: September 2026.
920,929 professionals have used our research since 2012.