13 Aug

Cloud Access Security Brokers (CASB) Overview

Cloud software adoption is rampant in every enterprise.  From slack to yammer, GDrive to Dropbox, your data is spreading all over the cloud.  How do you get control of it all?  Enter CASB.  Circa 2013, this was a booming market.  And we are no where near the rapid growth.  For many enterprises, security and compliance concerns hamper adoption of cloud applications. Furthermore, cloud applications are accessible from anywhere dragging mobile and BYOD security concerns into the picture. Cloud Access Security Brokers are a category of security tools that help enterprises safely enable cloud apps and mobile devices. CASBs work by intermediating or “proxying” traffic between cloud apps and users. Once proxied, these tools provide:

• Visibility—audit logs, security alerts, compliance reports, etc.

• Data Security—access control, data leakage prevention, encryption, etc.

Together, these functions fill in the gaps otherwise encountered when an enterprise moves from internal, premises-based applications to cloud apps like Salesforce, Google Apps, or Office 365. For enterprises in heavily regulated industries, like Finance and Healthcare, use of a CASB might be the only practical approach to enabling cloud apps. More broadly, any organization with sensitive data to protect would be well served by considering this emerging solution category.

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