Cloud Access Security Brokers (CASB) are placed between cloud service consumers and cloud service providers to support continuous visibility, compliance, threat protection, and security for cloud services. They act as a security policy enforcement point for Cloud-based Services (primarily SaaS).
Common Use Cases:
-> Govern Shadow IT – Discovery, Risk Profiling and Policy Enforcement of Unauthorised Cloud Apps Usage
-> Single Point of Policy Enforcement for SaaS Apps – DLP, IAM, Encryption etc.
-> Security Monitoring, Configuration Monitoring and Management
->Access Control – Who had access to what (Internal & External stakeholders)
->SaaS Application ownership, control – Who are the admins, business owner(s)
-> Demonstrate Compliance – PCI DSS, ISO, HIPAA etc.
-> Threat Protection
-> Cloud Spend Optimization
->Eliminate redundant applications (E.g.: Dropbox and Box)
->Dormant accounts / Ex-Employee accounts
Key Program Metrics:
High Risk Cloud Apps Discovered :
Number of High Risk Cloud Apps Detected based on Risk classification parameters
Of Redundant Cloud Apps Eliminated :
Number of duplicate / redundant cloud apps eliminated based on app discovery and use case. E.g.: File Storage consolidated to 1 from 4 (Google Drive, SkyDrive, Box and Dropbox)
Incidents Detected :
How many incidents were detected related to cloud apps usage
Cloud Apps Authorized / Unauthorized :
Ratio of Authorized vs Unauthorized Cloud-Apps in use
Do let me know if you want us to add or modify any of the listed key use cases.
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