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

Securing AWS using CloudTrail

In the previous chapter, I explained how you can create a new trail and configure logging mechanisms for AWS CloudTrail, in addition to diving into detail about the information captured, which provides great insight from an auditing perspective. However, here I just want to look at and highlight some of the best practices from a security perspective when configuring CloudTrail.

As we know, AWS CloudTrail is a great service to track and record all API activity on your accounts, which, as expected, can contain some very sensitive information that you would want to restrict access to. CloudTrail stores its logs in Amazon S3 by default, but as discussed previously, these can also be sent to CloudWatch Logs. 

You may have seen over the past few years a lot of emphasis on Amazon S3 security controls, largely due to a string of data breaches where sensitive information had been exposed and was accessible to public users with malicious intent. However, much...