Gartner Research

Securing SaaS Using Cloud Access Security Brokers

Published: 18 June 2015

ID: G00277191

Analyst(s): Ramon Krikken


Using CASBs, clients can add a range of security capabilities — from discovery to activity control and data encryption — to a multi-SaaS environment. Picking which capabilities to deploy first is critical to success.

Table Of Contents


  • The Reality of Security in SaaS Environments
  • Four Architectural Approaches to CASB Integration
  • Examining the Security Capabilities of CASB and SPSM Solutions
  • Using CASBs for Data Encryption and Tokenization
    • Reducing Functionality Loss in CASB-Encrypted SaaS
    • Improving Operational Resilience in CASB-Encrypted SaaS
  • Selecting a CASB, CDPG or SPSM Solution
  • Strengths
  • Weaknesses


  • Adopt CASB Features Incrementally and Based on Risk
    • Prioritize Lower-Risk Features for Early Adoption
    • Assess Higher-Risk CASB Features for Later-Stage Adoption
  • Determine Whether CASB Encryption Is Really Needed
  • Take a Cloud-First Approach to CASB Deployment
  • Take a Multisolution View for the End Goal
  • Exploit the Ability to Experiment, Which Is a Strength of the Cloud

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