Book Image

Cloud Security Handbook

By : Eyal Estrin
Book Image

Cloud Security Handbook

By: Eyal Estrin

Overview of this book

Securing resources in the cloud is challenging, given that each provider has different mechanisms and processes. Cloud Security Handbook helps you to understand how to embed security best practices in each of the infrastructure building blocks that exist in public clouds. This book will enable information security and cloud engineers to recognize the risks involved in public cloud and find out how to implement security controls as they design, build, and maintain environments in the cloud. You'll begin by learning about the shared responsibility model, cloud service models, and cloud deployment models, before getting to grips with the fundamentals of compute, storage, networking, identity management, encryption, and more. Next, you'll explore common threats and discover how to stay in compliance in cloud environments. As you make progress, you'll implement security in small-scale cloud environments through to production-ready large-scale environments, including hybrid clouds and multi-cloud environments. This book not only focuses on cloud services in general, but it also provides actual examples for using AWS, Azure, and GCP built-in services and capabilities. By the end of this cloud security book, you'll have gained a solid understanding of how to implement security in cloud environments effectively.
Table of Contents (19 chapters)
1
Section 1: Securing Infrastructure Cloud Services
6
Section 2: Deep Dive into IAM, Auditing, and Encryption
10
Section 3: Threats and Compliance Management
14
Section 4: Advanced Use of Cloud Services

Identity management over hybrid cloud environments

One of the first things to decide on, before using the hybrid cloud, is identity management. Organizations would like to keep their existing identity provider, have a single identity for each of their end users (while preserving existing credentials), and still be able to access resources in the cloud.

Identity management in hybrid cloud environments can be split into the following areas:

  • Directory replication: Extending the on-premises directory into the cloud with either one-way replication or synchronization between the two.
  • Federated authentication: An on-premises component brokers the user authentication to the cloud using SAML, OIDC, or some other protocol.

Some of the benefits of using centralized identity management are as follows:

  • A single place to provision or de-provision identities
  • Reusing strong credentials and authentication capabilities
  • Centralization of access audits
  • Avoid supporting...