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Cloud access security broker (CASB) technology aims to give enterprises control over their employees’ use of the public cloud, whether with their IT department’s knowledge (sanctioned IT) or without it (shadow IT).


  • Enterprise employees are rapidly adopting public cloud to meet their IT needs. This might be infrastructure-as-a-service (IaaS) offerings, such as AWS or Microsoft Azure, or software-as-a-service (SaaS), ranging from’s CRM to collaboration (Box, Dropbox, Evernote, and other) and service management (ServiceNow).

Features and Benefits

  • Understand the evolution of the CASB market.
  • Understand the emerging sub-groups within CASB.

Key questions answered

  • What is CEG and which group is in it?
  • How do SPSM vendors differ from other CASB vendors?

Table of contents

Ovum view

  • Summary
  • Public cloud adoption grows apace among enterprise users
  • Segmentation will and should continue
  • Consider CASB for public cloud usage control


  • Further reading
  • Author

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