Netskope is a highly regarded provider of Cloud Application Service Broker (CASB) capabilities. Their focus is cloud security. They help organizations understand online activities, protect data, stop threats, and respond to incidents.
Netskope was early in the CASB space, which means they have been thought leaders for quite a while. They have long provided working solutions in cloud application discovery and assessment, which is important for most enterprises. More recently Netskope has added features that include better user behavior analytics and alerting including in SaaS applications. They also provide a DLP engine and this is a key feature desired by many enterprises.
This video provides a short introduction to Netskope:
For more information see: Netskope.com