Secure your
cloud apps with integrated CASB

Protect data, stop threats, and
ensure compliance across your
SaaS and IaaS

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Achieve SaaS security with Zscaler CASB

Legacy appliances are not built for securing cloud applications, and native SaaS protections lack the needed sophistication.

Fortunately, Zscaler’s multimode cloud access security broker (CASB) secures cloud data in motion (via proxy) and at rest (via APIs). Admins simply configure one automated policy that delivers consistent security across all cloud data channels, reducing their management burden.

Zscaler CASB is part of the comprehensive Zero Trust Exchange (with SWG, ZTNA, and more), so customers can avoid point products, reduce IT complexity, and inspect traffic only once. Explore how Zscaler works with CASB vendors.

diagram illustrating zscaler CASB as part of the comprehensive zero trust exchange

What can Zscaler CASB do for you?

Zscaler CASB secures SaaS like Microsoft 365 and Salesforce, and IaaS offerings like AWS S3. This is crucial as unsecured cloud resources can enable data leakage, malware proliferation, loss of visibility, and noncompliance. Zscaler provides:

an icon illustrating granular data protection with zscaler casb

Granular data protection

Data protection policies apply consistently across cloud apps to stop accidental or risky file shares, and to halt malicious internal threats like intellectual property theft.

an icon illustrating complete threat protection with zscaler casb

Complete threat protection

Threat protection with cloud sandboxing is refined by 200B transactions and 150M threats identified daily, enabling automatic remediation of zero-day malware.

an icon illustrating comprehensive visibility with zscaler casb

Comprehensive visibility

Integrated visibility and thorough reporting across all SaaS apps and IaaS platforms deliver consolidated ease of use, enhanced intelligence, and the ability to enable audit.

an icon illustrating unified compliance with zscaler casb

Unified compliance

A single offering provides visibility into compliance and mitigates violations across SaaS apps and cloud service providers, ensuring adherence to laws and regulations.


Zscaler saves organizations $2.1 million annually

New IDC report highlights the value of Zscaler Data Protection


Inline security for data in motion

As a proven inline security vendor, Zscaler delivers high-performance forward proxy and SSL inspection with critical real-time protections.

  • Discover shadow IT and risky apps across a comprehensive cloud app database

  • DLP measures prevent uploads of sensitive data to sanctioned and even unsanctioned apps

  • Real-time advanced threat protection leverages ML-powered cloud sandbox to stop known and unknown malware

  • Cloud Browser Isolation streams sessions as pixels for BYOD to prevent data leakage without reverse proxy headaches

Inline data protection demo

See how Zscaler inline CASB controls cloud apps,
finds shadow IT, and restores data compliance in
the cloud.

Out-of-band data protection demo

See how Zscaler out-of-band CASB prevents data
exposure and identifies compliance violations for
SaaS like Microsoft 365.


Out-of-band security for data at rest

Zscaler leverages API integrations to scan SaaS apps, cloud platforms, and their contents, automatically enhancing enterprise security.

  • Predefined and customizable DLP dictionaries identify sensitive data within SaaS and public clouds like AWS

  • Collaboration management functionality crawls apps for risky file shares and revokes them according to policy

  • Cloud sandbox technology scans data at rest to identify and respond to zero-day malware and ransomware

  • SSPM, CSPM, and CIEM evaluate SaaS and IaaS configurations and permissions to remediate issues automatically

Zscaler CASB secures cloud apps with tenancy restrictions, SSPM, UEBA and more

See Zscaler CASB in action and learn how it can solve all of your cloud security use cases.

Guild Mortgage

“Looking at the latest and greatest stuff on CASB, we really like where Zscaler is going with this, so we’re very interested in continuing down that road to build out our data protection program.”

Jason Thompson, IT Security Manager, Guild Mortgage

Unsecured use of Amazon S3 can enable data loss and malware infection.

The Zscaler CASB is complete with granular data loss prevention and advanced threat protection to address these challenges. To see it in action, watch the demo.

Suggested resources


Achieving Comprehensive Cloud Security with Zscaler Data Protection


The Top CASB Use Cases


Zscaler CASB Benefits


Overcome the Top Five Data Protection Challenges


SANS: Achieving Comprehensive Cloud Data Protection with Zscaler


Gartner Market Guide for Data Loss Prevention