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Microsoft Security

Microsoft Defender for Cloud Apps

Elevate the posture and secure access of your cloud apps.
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Key benefits

Identify and combat cyberthreats across your cloud services with Defender for Cloud Apps, a cloud access security broker (CASB) solution that provides multifunction visibility, control over data travel, and sophisticated analytics.

Discover and manage your apps

Streamline cloud access security with native integration. Control and audit your apps and resources.

Govern access to apps and resources

Discover shadow IT in your organization. Understand and control your digital information estate.

Assess the compliance of your apps

Evaluate against compliance standards, prevent leaks, and limit access to regulated data.


Discover and control the use of shadow IT

Identify cloud apps and services your organization uses. Evaluate the risk levels, business readiness, and manage over 28,000 apps assessing more than 90 risk factors.

Protect your sensitive information anywhere in the cloud

Understand, classify, and protect sensitive information at rest or use out-of-the box policies and automated processes to apply real-time controls to data accessed by apps.

Enable secure remote work, protect against threats

Detect unusual behavior across cloud apps to identify ransomware, compromised users, or rogue applications. Analyze usage of apps and mitigate risks. 

Help secure your organization with real-time controls

Use real-time controls to enable threat protection on your organization’s access points.

Manage your cloud app security posture

Manage your cloud app security posture Investigate security configuration gaps with a view of your apps in all clouds, and take action on security configuration recommendations from Defender for Cloud Apps.

Gain insight into your Microsoft 365 app behaviors

Explore app governance, a security and policy management capability that monitors, governs, and protects OAuth-enabled apps that access Microsoft 365 data via Microsoft Graph APIs.

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Integrated threat protection with SIEM and XDR

Microsoft empowers your organization’s defenders by putting the right tools and intelligence in the hands of the right people. Combine security information and event management (SIEM) and extended detection and response (XDR) to increase efficiency and effectiveness while securing your digital estate.

Microsoft 365 Defender

Prevent and detect attacks across your Microsoft 365 workloads with built-in XDR capabilities.

Microsoft Sentinel

Aggregate security data and correlate alerts from virtually any source with a cloud-native SIEM from Microsoft.

Microsoft Defender for Cloud

Protect your multicloud and hybrid cloud workloads with built-in XDR capabilities.

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The Microsoft approach to CASB

Gain visibility into your cloud apps and services using sophisticated analytics to identify and combat cyberthreats. Control how your data is consumed, no matter where it lives. Defender for Cloud Apps natively integrates with industry-leading security and identity solutions or any other solutions you want to use.

Industry recognition


This commissioned study conducted by Forrester Consulting examines the cost savings and business benefits of Microsoft Defender for Cloud Apps (formerly Microsoft Cloud App Security).1


Microsoft Defender for Cloud Apps (formerly Microsoft Cloud App Security) is named a Leader in The Forrester Wave™: Cloud Security Gateways, Q2 2021.2

Related products

Defend against cyberthreats with best-in-class security from Microsoft.

Microsoft 365 Defender

Get integrated threat protection across devices, identities, apps, email, data, and cloud workloads.

Azure Active Directory

Safeguard your organization with a cloud identity and access management solution that connects employees, customers and partners to their apps, devices, and data.

Microsoft Defender for Cloud

Protect your multicloud and hybrid environments.

Defender for Cloud Apps—documentation and training


What is a CASB?

Read selections from our technical documentation to learn about this critical cloud acceleration tool.

Use Cases

Explore top use cases for CASBs

Learn about customers’ primary concerns when navigating resource and app management and control.

Tech Community

Join the Defender for Cloud Apps community

The Defender for Cloud Apps community welcomes enthusiasts, customers, and IT professionals.


Deploy your proof of concept

Try out scenarios that deliver the optimum value of Defender for Cloud Apps.

Protect everything

Make your future more secure. Explore your security options today.
  • [1] The Total Economic Impact™ (TEI) Of Microsoft Cloud App Security, a commissioned study conducted by Forrester Consulting, May 2020.
  • [2] The Forrester Wave™: Cloud Security Gateways, Q2 2021, Andras Cser, May 2021.

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