A brief history of zero trust: Major milestones in rethinking enterprise security White Paper © 2022 Zscaler, Inc. All rights reserved.White Paper © 2022 Zscaler, Inc. All rights reserved. 2 Why tell the story of zero trust? Many in IT security believe zero trust is a game- changer, a fundamental rethink about enterprise security and protection of the networks and resources that house our best ideas, connect our brightest talent, and grant access to transformative productivity tools. But to understand how truly revolutionary the zero trust model is in cybersecurity, it’s necessary to understand the weaknesses of the legacy network- security approach and how the idea of zero trust architecture evolved into one that fundamentally overhauls decades-old thinking. © 2022 Zscaler, Inc

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