Cloud Access Security Broker (CASB) Innovation
Cloud SecurityDefinition
New solutions that act as intermediaries between cloud users and services to enforce security policies.
Technical Details
A Cloud Access Security Broker (CASB) is a software tool or service that sits between an organization's on-premises infrastructure and a cloud provider's services. It provides a layer of security that allows organizations to enforce security policies as users access cloud applications. CASBs can implement various security measures such as encryption, access control, threat detection, and data loss prevention. They analyze user behavior and data flows to identify potential security threats and ensure compliance with regulations. CASBs are equipped with capabilities like Single Sign-On (SSO), multifactor authentication (MFA), and visibility into cloud application usage to enhance the security posture of organizations leveraging cloud services.
Practical Usage
CASBs are implemented by organizations that utilize cloud services to ensure that their data remains secure while still allowing employees to leverage cloud applications effectively. They help organizations manage the risks associated with shadow IT, where employees use unauthorized cloud services. For example, a company may use a CASB to monitor and control access to sensitive data in a cloud storage service, ensuring that only authorized personnel can access or share that data. Additionally, CASBs are used to enforce compliance with industry regulations such as HIPAA or GDPR by providing reporting and auditing capabilities.
Examples
- A financial institution uses a CASB to monitor and enforce security policies for its employees accessing cloud-based financial applications, ensuring that sensitive customer information is adequately protected.
- A healthcare provider implements a CASB to manage patient data in the cloud, applying encryption and access controls to meet HIPAA compliance requirements.
- An enterprise leverages a CASB solution to detect and mitigate risks associated with unauthorized applications (shadow IT), providing visibility into cloud usage and enforcing data protection policies.