Zero Trust Security: An Enterprise Guide

© Jason Garbis and Jerry W. Chapman 2021

J. Garbis, J. W. ChapmanZero Trust Securityhttps://doi.org/10.1007/978-1-4842-6702-8_15

15. Software as a Service

Jason Garbis¹   and Jerry W. Chapman²

(1)

Boston, MA, USA

(2)

Atlanta, GA, USA

 

Cloud-based software delivered as a service (SaaS) is of course a major component of today’s IT and business environment, and has had a profound impact on how commercial software is created and consumed. This shift has made it remarkably simpler and easier to utilize sophisticated business software, with businesses now able to sign up, create an account, and begin obtaining value in minutes.

We define SaaS as a publicly accessible web application,¹ in which the service provider (vendor) hosts, manages, and maintains the ...