With a focus on the Well-Architected Framework`s security pillar, you want to define standards and best practices for your EC2 instances and validate adherence to these standards so as the workload security is enhanced. Which of the below would you choose?

Answer options:

A.Amazon Detective
B.AWS Inspector
C.AWS Security Hub
D.AWS Resource Access Manager (RAM)

Answer: B
Option A is Incorrect. Amazon Detective is a security service that makes use of AI making it easy for the users to identify, analyse and investigate security issues or suspicious activities. Amazon Detective offers advantages in terms of swifter investigations by providing visualizations that are easy to use.
Option B is Correct. Amazon Inspector is a tool to perform security assessment. Inspector gives us ability to define standards and best practices and assesses adherence to these standards.
Option C is Incorrect. AWS Security Hub is an AWS service that gives a comprehensive view of security alerts and other security related information from across different AWS accounts, services and other configured 3rd party applications.
Option D is Incorrect. AWS Resource Access Manager (RAM) is a service that enables users to share AWS resources easily and securely. The resources could be shared with any AWS account or within your AWS Organization.
References:
https://aws.amazon.com/detective/
https://aws.amazon.com/inspector/
https://aws.amazon.com/security-hub/
https://aws.amazon.com/ram/