A Cloud Access Security Broker (CASB) acts as a security checkpoint between users and cloud applications, ensuring that data shared, stored, or accessed in the cloud complies with an organization’s security policies. Positioned between on-premise infrastructure and cloud services, CASBs provide visibility, control, and protection over how sensitive data moves across platforms.
In simple terms, CASBs help businesses use cloud apps safely. They detect risky activity, enforce access controls, encrypt data, and prevent shadow IT—all while giving IT leaders a unified view of cloud usage.
We often see organizations adopt CASBs as part of their broader zero trust or Secure Access Service Edge (SASE) strategy. With hybrid work becoming the norm, CASBs make it possible to extend consistent security controls across users, devices, and locations—no matter where work happens.
Key capabilities include:
- Visibility: Discover and monitor cloud app usage.
- Data Protection: Encrypt or tokenize sensitive information.
- Threat Detection: Identify and block suspicious activity.
- Policy Enforcement: Apply consistent access and compliance controls.
Our take? CASBs bring clarity and control to cloud security—helping teams balance productivity with protection.
Want the full breakdown? Explore our Cloud Access Security Broker (CASB) Guide to learn how CASBs strengthen visibility and compliance in multi-cloud environments. For practical insights, check out our blog 3 Areas to Consider in a Work-From-Anywhere Cyber Security Policy to see how CASBs fit into modern remote work strategies.
