Book Image

AWS Certified Security – Specialty Exam Guide

By : Stuart Scott
Book Image

AWS Certified Security – Specialty Exam Guide

By: Stuart Scott

Overview of this book

AWS Certified Security – Specialty is a certification exam to validate your expertise in advanced cloud security. With an ever-increasing demand for AWS security skills in the cloud market, this certification can help you advance in your career. This book helps you prepare for the exam and gain certification by guiding you through building complex security solutions. From understanding the AWS shared responsibility model and identity and access management to implementing access management best practices, you'll gradually build on your skills. The book will also delve into securing instances and the principles of securing VPC infrastructure. Covering security threats, vulnerabilities, and attacks such as the DDoS attack, you'll discover how to mitigate these at different layers. You'll then cover compliance and learn how to use AWS to audit and govern infrastructure, as well as to focus on monitoring your environment by implementing logging mechanisms and tracking data. Later, you'll explore how to implement data encryption as you get hands-on with securing a live environment. Finally, you'll discover security best practices that will assist you in making critical decisions relating to cost, security,and deployment complexity. By the end of this AWS security book, you'll have the skills to pass the exam and design secure AWS solutions.
Table of Contents (27 chapters)
1
Section 1: The Exam and Preparation
3
Section 2: Security Responsibility and Access Management
8
Section 3: Security - a Layered Approach
15
Section 4: Monitoring, Logging, and Auditing
18
Section 5: Best Practices and Automation
21
Section 6: Encryption and Data Security

Encrypting a new EBS volume

To encrypt a new EBS volume, follow these simple steps:

  1. From the AWS Management Console, select EC2 from the Compute category.
  2. Select Volumes from the ELASTIC BLOCK STORE menu on the left:

  1. Select Create Volume to arrive at the following screen:

  1. Select your desired Volume Type, Size (GiB), and Availability Zone options. To apply encryption, select the checkbox beside Encryption, and this will provide you with additional options:

  1. You first need to select your Master Key setting, which is effectively your CMK. If you have already created a customer-managed CMK within KMS, then you can select that key here. Alternatively, you can select an AWS-managed key instead. In the preceding example, I have chosen to select an AWS-managed key, which is automatically created by KMS for use with EBS only.
Note that the data keys generated and encrypted by the CMK are stored alongside the encrypted data on your volumes. This data key is also ...