Data security
Secure sensitive data across your digital landscape with multilayered protection.
Secure your data in the era of AI
Effectively discover sensitive data, identify critical data security risks, and dynamically tailor controls based on users' risk levels across your organization’s digital landscape with Microsoft Purview.
Comprehensive data security
Discover sensitive data, detect critical risks, and prevent data loss across clouds and platforms.
Discover and protect sensitive data
Automatically classify, label, and protect sensitive data throughout its lifecycle with over 300 ready-to-use sensitive information types and AI-powered data classifiers.
Manage insider risks1
Detect insider risks like potential intellectual property theft, data leakage, and security violations using over 100 ready-to-use indicators and machine learning models—with privacy built in to protect user trust.
Prevent data loss
Proactively prevent accidental or intentional loss of sensitive data across apps, services, and devices, while effectively balancing security and productivity for your hybrid workforce.
Dynamically mitigate risk
Tailor protection controls based on user risk level to address data security risks quickly and proactively before they evolve into potential incidents.
Simplified. Integrated. Intelligent.
Simplify the complexity of fragmented solutions with a set of integrated and intelligent solutions that covers your data stack.
Comprehensive visibility
Gain insight into user context and data—both structured and unstructured—across Microsoft Azure, AWS, cloud applications, and generative AI tools with industry-leading data security capabilities.
Seamless integration
Secure data end to end using solutions built on a single platform that includes a unified data map, intelligent data classification, extensive audit logs, and a streamlined policy engine.
AI-powered security
Uncover hidden risks and get ahead of potential data security incidents with Copilot for Security, AI-powered data classifiers, risk detection, and risk-adaptive protection.
Why is data security important?
Percent of organizations that had business data exposed in the past 12 months.2
Business value and trust can be lost due to weak data security.
Average number of data security incidents per organization in the past 12 months.2
Data security incidents can happen anytime, anywhere.
Organizations with 16 or more data security tools have 2.8 times more incidents.2
A fragmented solution landscape can weaken security posture.
Employ a multilayered approach
Multilayered protection is key to securing your data, preventing incidents, and enhancing your data security posture.
Explore comprehensive data security
Microsoft Purview Information Protection
Discover, classify, and protect your sensitive data—whether it’s structured or unstructured, in the cloud, or on-premises.
Microsoft Purview Insider Risk Management
Intelligently detect, mitigate, and investigate critical insider risks across your digital estates, whether they are intentional or accidental.
Microsoft Purview Data Loss Prevention
Help prevent unauthorized use of data with protections controls built into Microsoft 365 apps, services, and endpoints.
Adaptive Protection in Microsoft Purview
Optimize data security with data- and user-context-aware detection, automatically enforcing appropriate protections based on risks.
Microsoft Copilot for Security is now generally available
Use natural language queries to investigate incidents with Copilot, now with integrations across the Microsoft Security suite of products.
Explore data security resources and trends
Gain insights into the latest data security advancements, including expert guidance, best practices, trends, and solutions.
Industry Recognition
Microsoft Security is recognized by industry analyst firms.
The Forrester Wave™: Data Security Platforms
Microsoft was recognized as a Leader in The Forrester Wave™: Data Security Platforms, Q1 2023.3
See how our customers achieve their data security goals
Additional resources
Data security news
See what’s new with product announcements and industry best practices for data security.
Data security mechanics videos
Watch product demos to learn everything you need to know about data security solutions in Microsoft Purview.
Interactive guides for data security solutions
See how Microsoft Security products help prevent data breaches and other security incidents with these interactive guides.
Data Security Index Report
Learn the latest trends, insights, and strategies for securing your data.
Protect everything
Make your future more secure. Explore your security options today.
- [1] Microsoft Purview Insider Risk Management correlates various signals to identify potential malicious or inadvertent insider risks, such as IP theft, data leakage, and security violations. Insider Risk Management enables customers to create policies based on their own internal policies, governance, and organizational requirements. Built with privacy by design, users are pseudonymized by default, and role-based access controls and audit logs are in place to help ensure user-level privacy.
- [2] Data Security Index: trends, insights, and strategies to secure data, Microsoft, 2023.
- [3] The Forrester Wave™: Data Security Platforms, Q1 2023, Heidi Shey with Amy DeMartine, Sarah Morana, Christine Turley, March 2023.
- [4] GARTNER is a registered trademark and service mark of Gartner, Inc. and/or its affiliates in the U.S. and internationally and is used herein with permission. All rights reserved.
- [5] Gartner does not endorse any vendor, product or service depicted in its research publications, and does not advise technology users to select only those vendors with the highest ratings or other designation. Gartner research publications consist of the opinions of Gartner's research organization and should not be construed as statements of fact. Gartner disclaims all warranties, expressed or implied, with respect to this research, including any warranties of merchantability or fitness for a particular purpose.
Gartner, Market Guide for Data Loss Prevention, Ravisha Chugh, Andrew Bales, 4 September 2023.
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