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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 (5th), Operational Technology (OT) Security (6th)
Microsoft Purview Data Loss...
Ranking in Microsoft Security Suite
14th
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 October 2026, in the Microsoft Security Suite category, the mindshare of Microsoft Defender for IoT is 1.5%, up from 0.6% compared to the previous year. The mindshare of Microsoft Purview Data Loss Prevention is 2.9%, up from 2.7% 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 IoT1.5%
Other95.6%
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

"I find Microsoft Defender very effective in vulnerability management and it provides good attack reduction, making it a next-generation protection solution."
"The graphics and analysis in Microsoft Defender for IoT are very representative."
"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."
"I believe it is best suited for cloud services and is unmatched by other cloud security solutions."
"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."
"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."
"Mainly, it is manageable and integrates with other Microsoft products, which is crucial for me."
"The policy customization feature is very useful, and we have successfully used the auto policy configuration."
"I rate Microsoft Purview Data Loss Prevention's stability a ten out of ten."
"Microsoft Purview Data Loss Prevention has absolutely helped improve my organization's ability to manage data because we use M365 for the majority of our knowledge worker storage, and that's where people's data lives."
"Microsoft Purview Data Loss Prevention makes it way easier to prevent unauthorized sharing of sensitive information within the organization."
"Microsoft Purview Data Loss Prevention's responses are faster. Its installation is also reliable. The security score helps with the security part."
"The auto-labeling feature is definitely the most valuable feature, as it goes in and labels the documents for you in different repositories, covering the Outlook and Exchange repositories along with SharePoint and OneDrive, which is really helpful in those areas."
"Microsoft Purview has helped improve my company's ability to discover sensitive data, as most companies would say that they improved in the whole posture on this field."
"The solution's most valuable feature is the mature O365 DLP, which works with SharePoint and Teams."
 

Cons

"The primary area that needs improvement is compatibility with the latest IoT technologies."
"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."
"Microsoft Defender for IoT is not scalable. If you want to monitor another industrial network, you need an additional server, making it less scalable."
"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."
"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."
"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."
"The stability and reliability of Microsoft Purview Data Loss Prevention is great. Besides the weird timeframe where it takes a couple hours for a rule to sync and 24 hours to appear for someone, I don't really have an issue."
"I rate the overall solution 3 out of 10."
"All the security operations are better defined in Forcepoint, while in Microsoft Purview Data Loss Prevention, you will have to use a specific workflow and then an application to release blocked emails."
"They do not provide language options beyond the ones already available, so our language option is missing."
"The platform can be challenging to navigate and has the potential for improvement."
"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."
"To improve Microsoft Purview Data Loss Prevention, I think it would be helpful if we could make bulk labeling easier, as it is a little cumbersome at the moment."
"A major improvement is required in the solution's incident handling and alerting."
 

Pricing and Cost Advice

Information not available
"It is a part of our Microsoft licensing. We pay for a yearly renewal. Its price is reasonable for the size of the organization we are. It is fairly competitive, and you get what you pay for. We have an E5 license, and a part of understanding the E5 license is to see what all you get with it. If you really look at it from that standpoint, you get a lot of value. You have Defender and all its security features in there as well. Their licensing is fairly flexible. They have different programs. We've seen ones where you could pay for up to three to five years in advance. There is also a monthly pay-as-you-go type of deal, but we're doing a yearly renewal and fixing the budget."
"The cost works out to about $15 per user per month."
"Though I am not a specialist, the tool is quite expensive."
"The solution’s pricing is reasonable."
"The product has the best price-to-performance ratio."
"The pricing is reasonable."
"If one is very cheap and ten is very expensive, I rate the price as one out of ten."
"Microsoft Purview Data Loss Prevention is part of a bundle and is not sold as a standalone product."
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Top Industries

By visitors reading reviews
Manufacturing Company
14%
Computer Software Company
9%
Financial Services Firm
8%
Comms Service Provider
6%
Financial Services Firm
14%
Outsourcing Company
8%
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.
915,325 professionals have used our research since 2012.