Название: Zero Trust Networks: Building Secure Systems in Untrusted Network, 2nd Edition (Second Early Release)
Автор: Razi Rais, Christina Morillo, Evan Gilman, Doug Barth
Издательство: O’Reilly Media, Inc.
Год: 2022-11-09
Язык: английский
Формат: epub (true), mobi
Размер: 10.3 MB

Perimeter defenses guarding your network aren't as secure as you might think. Hosts behind the firewall have no defenses of their own, so when a host in the "trusted" zone is breached, access to your data center is not far behind. This practical book introduces you to the zero trust model, a method that treats all hosts as if they're internet-facing, and considers the entire network to be compromised and hostile.

In this updated edition, the authors show you how zero trust lets you focus on building strong authentication, authorization, and encryption throughout, while providing compartmentalized access and better operational agility. You'll learn the architecture of a zero trust network, including how to build one using currently available technology.

What Is a Zero Trust Network? A zero trust network is built upon five fundamental assertions:

• The network is always assumed to be hostile.
• External and internal threats exist on the network at all times
• Network locality alone is not sufficient for deciding trust in a network.
• Every device, user, and network flow is authenticated and authorized.
• Policies must be dynamic and calculated from as many sources of data as possible.

Explore fundamental concepts of a zero trust network, including trust engine, policy engine, and context aware agents
Understand how this model embeds security within the system's operation, rather than layering it on top
Use existing technology to establish trust among the actors in a network
Migrate from a perimeter-based network to a zero trust network in production
Examine case studies that provide insights into various organizations' zero trust journeys
Learn about the various zero trust architectures, standards, and frameworks




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