Transform source IP-address-based application access with Zscaler White Paper © 2022 Zscaler, Inc. All rights reserved.White Paper © 2022 Zscaler, Inc. All rights reserved. 2 Introduction Many enterprises employ source IP address identification to control access to applications. But when those organizations adopt SaaS applications, migrate internal applications out of data centers, and support remote work, source IP address identification becomes less effective as a means to secure access to corporate resources. The way of work has evolved to be cloud-first, device-agnostic, and remote. The means of securing it must evolve too. Enterprise cloud transformation demands new identity-based authorization mechanisms (such as multi-factor authentication, or MFA). For some organization

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