Microsoft Purview Data Loss Prevention vs Microsoft Sentinel comparison

Microsoft Purview Data Loss Prevention vs. Microsoft Sentinel

December 2025

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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

6.3

Users benefit from Microsoft Purview DLP due to seamless integration, cost savings, productivity boosts, and enhanced security without extra expenses.

Sentiment score

6.7

Microsoft Sentinel enhances ROI with automation, boosts productivity, lowers costs, and improves security through efficient integration and faster responses.

We save a lot of time for legal by using Microsoft Purview Data Loss Prevention when searching data for legal and HR and employee issues.

Anand Venkatachalapathy

Staff Systems Administrator at a tech vendor with 1,001-5,000 employees

In these days of data breaches and data leakages that result in huge regulatory fines, we have not had any data breaches that could result in such fines.

For more quotes and insights, download the Microsoft Purview Data Loss Prevention report

Head of Geographies; Data Protection Officer at a financial services firm with 10,001+ employees

The fact that we are not being fined is crucial.

Scott Priddy

Cloud Architecture Lead at bolder inc

If a customer is already using Microsoft’s ecosystem, the ROI can be positive due to seamless integration.

Reviewer 911

senior cyber security at a tech services company with 201-500 employees

Our MTTR, mean time to response, improved by forty to fifty percent. Earlier, medium-severity incidents took two to three hours to resolve. Now, after Microsoft Sentinel, it is forty to fifty-five minutes.

For more quotes and insights, download the Microsoft Sentinel report

Cyber Security Consultant at ProTechmanize

We attribute our growth to Sentinel.

Jack Deehan

Chief Commercial Officer at defend

Customer Service

Sentiment score

5.9

Microsoft Purview Data Loss Prevention support experiences vary, with praised documentation but mixed reviews on response time and effectiveness.

Sentiment score

6.5

Microsoft Sentinel support is praised for quick, knowledgeable responses, with higher satisfaction in premium plans despite some documentation challenges.

I rate it a ten because they are very quick to respond and very quick to escalate if needed.

Scott Priddy

Cloud Architecture Lead at bolder inc

Once we got to the Microsoft engineers, the experience was great.

ChrisVinding

Director of Cyber Security

In terms of support, it's top-notch and always available to help us with any support issues we raise.

For more quotes and insights, download the Microsoft Purview Data Loss Prevention report

Head of Geographies; Data Protection Officer at a financial services firm with 10,001+ employees

Their solutions' integration simplifies resolving issues compared to those caused by third-party products.

For more quotes and insights, download the Microsoft Sentinel report

IT Consultant at MAN Truck & Bus SE

Microsoft invests significantly in support, which is crucial for companies.

Juan Panas

Director de Microsoft y Transformación Digital at Compucad

Working with a Sentinel engineer helped us tune settings effectively.

Jonathan Melara

Systems Emgineer at a non-profit with 1-10 employees

Scalability Issues

Sentiment score

7.3

Microsoft Purview Data Loss Prevention is scalable for medium to large organizations but faces integration challenges with non-Microsoft systems.

Sentiment score

7.7

Microsoft Sentinel offers scalable, cloud-based operations with seamless Azure integration, emphasizing elasticity and cost considerations for effective data management.

The policy working and detection technology need enhancements.

reviewer2262372

Solution Architect at a tech services company with 51-200 employees

Microsoft Purview Data Loss Prevention scales well with the growing needs of our organization.

Head of Geographies; Data Protection Officer at a financial services firm with 10,001+ employees

Microsoft Purview Data Loss Prevention scales effectively.

For more quotes and insights, download the Microsoft Purview Data Loss Prevention report

Director, IT Infrastructure at a university with 1,001-5,000 employees

Office 365 and Exchange are running on it, covering about 35,000 users efficiently.

IT Consultant at MAN Truck & Bus SE

There is no need to add hardware or redesign infrastructure because it is cloud-native.

For more quotes and insights, download the Microsoft Sentinel report

Cyber Security Consultant at ProTechmanize

As our organization uses Microsoft Azure and Defender, everything grows together, and we can integrate various features seamlessly.

Jonathan Melara

Systems Emgineer at a non-profit with 1-10 employees

Stability Issues

Sentiment score

7.7

Microsoft Purview Data Loss Prevention is stable and reliable, with minor configuration issues but overall positive user feedback.

Sentiment score

7.8

Microsoft Sentinel is reliable with 99.9% uptime, minor glitches, and minimal maintenance thanks to its managed service aspect.

I would assess the stability and reliability of Microsoft Purview Data Loss Prevention as high.

Brian Ricks

Co-Owner and Principal Consultant at BriComp Computers

The stability and reliability of Microsoft Purview Data Loss Prevention is great.

ClayHampton

Senior Infrastructure Engineer at a computer software company with 51-200 employees

I assess the stability and reliability of Microsoft Purview Data Loss Prevention as quite good because I don't think it's ever gone down, unlike other parts of Azure.

For more quotes and insights, download the Microsoft Purview Data Loss Prevention report

Director, IT Infrastructure at a university with 1,001-5,000 employees

So far, we have not experienced any issues, and it has been stable from the beginning.

For more quotes and insights, download the Microsoft Sentinel report

IT Consultant at MAN Truck & Bus SE

In the past two years, our team hasn't encountered any issues with the stability of Microsoft Sentinel from an operations perspective.

Ivan Angelov

Project Executive at synergyc

I need to be aware of deprecated connectors as they may disconnect, but the data continues to be sent with a need for quick adaptation.

Reviewer 911

senior cyber security at a tech services company with 201-500 employees

Room For Improvement

Microsoft Purview DLP requires improvements in integration, stability, AI, licensing, language support, documentation, compatibility, and OCR features.

Users seek better integration, documentation, user-friendliness, AI, automation, and transparency in Microsoft Sentinel for improved threat management.

Business Premium users can get the data loss prevention features of E5, which is fantastic.

ClayHampton

Senior Infrastructure Engineer at a computer software company with 51-200 employees

Implementing a degree of severity ranking is essential.

ChrisVinding

Director of Cyber Security

More guides, more examples, and more compliance frameworks such as NIST or even PCI compliance would be great.

For more quotes and insights, download the Microsoft Purview Data Loss Prevention report

Director, IT Infrastructure at a university with 1,001-5,000 employees

Log ingestion and retention costs can grow quickly, and understanding which data source is driving cost is not always straightforward.

Cyber Security Consultant at ProTechmanize

We have some tools, such as our off-site Meraki firewalls, that have not fully integrated with Sentinel.

Jonathan Melara

Systems Emgineer at a non-profit with 1-10 employees

Currently, we are happy to have a way in the middle with not so much cost, but it would be nice to have the ability to enhance the automation of workflows based on learned incidents.

For more quotes and insights, download the Microsoft Sentinel report

IT Consultant at MAN Truck & Bus SE

Setup Cost

Microsoft Purview Data Loss Prevention in E5 licenses offers competitive pricing and value with bundled security features and flexible options.

Microsoft Sentinel's pricing is flexible yet costly, requiring optimization and integration to maximize cost-effectiveness for data management.

In terms of pricing, I would say it's unlimited value because it's bundled in our A5 and E5 licensing situation.

For more quotes and insights, download the Microsoft Purview Data Loss Prevention report

Director, IT Infrastructure at a university with 1,001-5,000 employees

The pricing for Microsoft Purview Data Loss Prevention is generally set; E5 is required, but it comes with all other products, so I would say it is fine.

Iohann Gessenay

Security Engineer at baseVISION

My experience with pricing, setup cost, and licensing is that it is very straightforward because we are all using E5 licenses, so we are covered.

Scott Priddy

Cloud Architecture Lead at bolder inc

It has been beneficial that Microsoft Sentinel is included as part of the Microsoft package, making it more cost-effective.

reviewer2778465

Senior System Administrator at a university with 5,001-10,000 employees

Microsoft Sentinel is not a low-cost SIEM.

For more quotes and insights, download the Microsoft Sentinel report

Cyber Security Consultant at ProTechmanize

Microsoft Sentinel offers more capabilities than Bastion, with a more intuitive experience.

Ivan Angelov

Project Executive at synergyc

Valuable Features

Microsoft Purview Data Loss Prevention excels in data protection, compliance, and productivity through integration and machine learning capabilities.

Microsoft Sentinel excels in integration, AI, scalability, automation, and user experience, with powerful threat detection and response features.

Microsoft Purview Data Loss Prevention prevents users from sharing sensitive information outside the organization based on the configurations that we've implemented.

For more quotes and insights, download the Microsoft Purview Data Loss Prevention report

Head of Geographies; Data Protection Officer at a financial services firm with 10,001+ employees

Microsoft Purview has helped improve our organization's ability to discover sensitive data significantly as we use eDiscovery Purview, which is incredibly helpful.

Anand Venkatachalapathy

Staff Systems Administrator at a tech vendor with 1,001-5,000 employees

Microsoft Purview Data Loss Prevention usually performs well, except for endpoint Data Loss Prevention, which may need improvements.

reviewer2262372

Solution Architect at a tech services company with 51-200 employees

Microsoft Sentinel's ability to correlate data from multiple sources and its detection capabilities are essential.

reviewer2700180

Cost Engineer at a tech vendor with 10,001+ employees

Microsoft Sentinel has improved cost efficiency, which is one of the key areas we're able to win business against the ability to have threat intelligence.

Jack Deehan

Chief Commercial Officer at defend

Microsoft Sentinel's ability to correlate data from multiple sources enhances our threat detection capabilities beyond what is a simple data lake solution by filtering out the noise and consolidating the signal down to a meaningful level that is easier to investigate and see.

Rob Wille

Solutions Architect at a tech vendor with 201-500 employees

For more quotes and insights, download the Microsoft Sentinel report

Categories and Ranking

Microsoft Purview Data Loss...

Ranking in Microsoft Security Suite

13th

Average Rating

8.0

Reviews Sentiment

6.8

Number of Reviews

Ranking in other categories

Data Loss Prevention (DLP) (1st)

Microsoft Sentinel

Ranking in Microsoft Security Suite

6th

Average Rating

8.2

Reviews Sentiment

7.0

Number of Reviews

104

Ranking in other categories

Security Information and Event Management (SIEM) (4th), Security Orchestration Automation and Response (SOAR) (1st), AI-Powered Cybersecurity Platforms (5th)

Mindshare comparison

As of January 2026, in the Microsoft Security Suite category, the mindshare of Microsoft Purview Data Loss Prevention is 2.6%, up from 2.6% compared to the previous year. The mindshare of Microsoft Sentinel is 4.7%, down from 5.4% compared to the previous year. It is calculated based on PeerSpot user engagement data.

Microsoft Security Suite Market Share Distribution
Product	Market Share (%)
Microsoft Sentinel	4.7%
Microsoft Purview Data Loss Prevention	2.6%
Other	92.7%

Microsoft Security Suite

Featured Reviews

ClayHampton

Senior Infrastructure Engineer at a computer software company with 51-200 employees

Protects sensitive data across devices and helps address client compliance needs proactively

The reporting in Microsoft Purview Data Loss Prevention is a little easier than most Microsoft portals. I understand the licensing cost, especially if you're a Business Premium or in the SMB world, and a lot of clients run with a Business Premium. That comes with data loss prevention in a manual process, whereas E5 gives automation. Microsoft has said, 'Okay, here's your Microsoft 365 E5 compliance add-on that can go on the Business Premium.' So Business Premium users can get the data loss prevention features of E5, which is fantastic. That was the big point that they were missing, and I'm glad that they actually have an add-on now that makes it possible. So truly, I don't think there's a downside. Maybe more reporting, but that's it.

Read full review

Centralized monitoring has improved threat response but cost control still needs refinement

Cyber Security Consultant at ProTechmanize

Based on real operations used in our corporate IT environment, the key features include log correlation and incident view. Microsoft Sentinel's biggest strength is how it correlates multiple related alerts into a single incident. This significantly reduces alert noise and helps the SOC focus on real threats instead of isolated events. Another valuable feature is KQL-based threat hunting with Kusto Query Language. The flexibility of this language allows us to build custom hunting queries based on our environment's behavior. This is extremely useful for detecting low and slow threats or hidden threats that default rules may miss. Cloud-native scalability and stability is another important feature. Being cloud-native, Microsoft Sentinel scales well for medium to large corporate environments without infrastructure management. Stability has been solid in day-to-day production. SOAR automation using playbooks is a feature we highly recommend. Microsoft Sentinel's SOAR functionality helps automate repetitive SOC tasks like alert enrichment and notification. This saves analyst time and improves response consistency.

Read full review

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Top Industries

By visitors reading reviews

Financial Services Firm

15%

Computer Software Company

10%

Manufacturing Company

Insurance Company

Computer Software Company

14%

Financial Services Firm

10%

Manufacturing Company

Government

Company Size

By reviewers

Large Enterprise

Midsize Enterprise

Small Business

By reviewers
Company Size	Count
Small Business	14
Midsize Enterprise	5
Large Enterprise	15

By reviewers
Company Size	Count
Small Business	38
Midsize Enterprise	22
Large Enterprise	45

Questions from the Community

What is your experience regarding pricing and costs for Microsoft Purview Data Loss Prevention?

The pricing of Microsoft Purview Data Loss Prevention is acceptable for us.

What needs improvement with Microsoft Purview Data Loss Prevention?

I think that a feature on the side where you could click on something with a question mark, and then if you click on it, it would open up a new window and give you more information on that, almost ...

What is your primary use case for Microsoft Purview Data Loss Prevention?

My main use case is to upload mailboxes. We're using Microsoft Purview Data Loss Prevention to upload mailboxes. The migration tool that's built into the Microsoft Hybrid isn't working on our domai...

Is there a common threat intelligence tool that aggregates multiple threat intelligence sources?

Yes, Azure Sentinel is a SIEM on the Cloud. Multiple data sources can be uploaded and analyzed with Azure Sentinel and its Threat Hunting functionality with AI available as templates or customized ...

What is a better choice, Splunk or Azure Sentinel?

It would really depend on (1) which logs you need to ingest and (2) what are your use cases Splunk is easy for ingestion of anything, but the charge per GB/Day Indexed and it gets expensive as log ...

Which is better - Azure Sentinel or AWS Security Hub?

We like that Azure Sentinel does not require as much maintenance as legacy SIEMs that are on-premises. Azure Sentinel is auto-scaling - you will not have to worry about performance impact, you will...

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Product Reports

Microsoft Purview Data Loss Prevention

January 2026

Microsoft Purview Data Loss Prevention report

Download Microsoft Purview Data Loss Prevention product report

Download Microsoft Sentinel product report

Microsoft Sentinel

January 2026

Also Known As

Microsoft Endpoint Data Loss Prevention, MS Endpoint DLP, Microsoft Endpoint DLP

Azure Sentinel

Overview

At Microsoft, our mission is to empower every person and every organization on the planet to achieve more. Our mission is grounded in both the world in which we live and the future we strive to create. Today, we live in a mobile-first, cloud-first world, and the transformation we are driving across our businesses is designed to enable Microsoft and our customers to thrive in this world.

Microsoft

Microsoft Sentinel is a scalable, cloud-native, security information event management (SIEM) and security orchestration automated response (SOAR) solution that lets you see and stop threats before they cause harm. Microsoft Sentinel delivers intelligent security analytics and threat intelligence across the enterprise, providing a single solution for alert detection, threat visibility, proactive hunting, and threat response. Eliminate security infrastructure setup and maintenance, and elastically scale to meet your security needs—while reducing IT costs. With Microsoft Sentinel, you can:

- Collect data at cloud scale—across all users, devices, applications, and infrastructure, both on-premises and in multiple clouds

- Detect previously uncovered threats and minimize false positives using analytics and unparalleled threat intelligence from Microsoft

- Investigate threats with AI and hunt suspicious activities at scale, tapping into decades of cybersecurity work at Microsoft

- Respond to incidents rapidly with built-in orchestration and automation of common tasks

To learn more about our solution, ask questions, and share feedback, join our Microsoft Security, Compliance and Identity Community.

Microsoft

Sample Customers

Information Not Available

Microsoft Sentinel is trusted by companies of all sizes including ABM, ASOS, Uniper, First West Credit Union, Avanade, and more.