How to block external users from uploading content

Products

• Cloud Secure Web Gateway - Cloud SWG
• CASB Advanced Threat Protection
• CASB Audit
• CASB Gateway
• CASB Gateway Advanced
• CASB Security Advanced
• CASB Security Advanced IAAS
• CASB Security Premium
• CASB Security Premium IAAS
• CASB Security Standard
• CASB Securlet IAAS
• CASB Securlet SAAS
• CASB Securlet SAAS With DLP-CDS

Issue/Introduction

How to block logins or upload for external SaaS accounts such as MSFT OnDrive, Gdrive etc...

Resolution

Select External from User and groups. External users are defined in CASB by domain.  Primary and secondary domains are considered internal, all others are external.