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CHAPTER 3 SASE: Combining Security and Networking Functionality 19 These materials are © 2020 John Wiley & Sons, Inc. Any dissemination, distribution, or unauthorized use is strictly prohibited. Chapter 3 IN THIS CHAPTER » Looking at security challenges in the cloud era » Recognizing key characteristics and benefits of SASE » Getting started with SASE SASE: Combining Security and Networking Functionality I n this chapter, you learn about the security challenges created in the new network architecture model, what functionality you need in a security solution, what issues you need to consider when deploying your solution, and how a secure access service edge (SASE) solution can help. Recognizing Security Challenges Network security is no longer confined to the data center — it's shifting to the cloud. As work moves outside the office and security moves to the cloud, the tried-and-true perimeter-based security model just can't keep up. To be successful, IT teams need to iden- tify a new approach to control and secure users, apps, devices, and data — anywhere and everywhere. Today, the wide-scale use of cloud applications has become fundamental to business operations at all locations. According to Enterprise Strategy Group research, 32 percent of organiza- tions report that the majority of their apps are now software as