Profile Applicability: Level 1


Description: 

Password policies are, in part, used to enforce password complexity requirements. IAM password policies can be used to ensure password are comprised of different character sets. It is recommended that the password policy require at least one lowercase letter.


Rationale: 

Setting a password complexity policy increases account resiliency against brute force login attempts.


Audit: 

Perform the following to ensure the password policy is configured as prescribed: Via AWS Console 

1. Login to AWS Console (with appropriate permissions to View Identity Access Management Account Settings) 

2. Go to IAM Service on the AWS Console 

3. Click on Account Settings on the Left Pane 

4. Ensure "Requires at least one lowercase letter" is checked under "Password Policy"


Remediation:

Perform the following to set the password policy as prescribed:

Using AWS Console

1. Login to AWS Console (with appropriate permissions to View Identity Access Management Account Settings) 

2. Go to IAM Service on the AWS Console 

3. Click on Account Settings on the Left Pane 

4. Check "Requires at least one lowercase letter"

5. Click "Apply password policy"


References: 

1. CCE-78904-0


CIS Controls:

16. Account Monitoring and Control

Account Monitoring and Control