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 at least a given length. It is recommended that the password policy require a minimum password length 14.


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 "Minimum password length" is set to 14 or greater 


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. Set "Minimum password length" to 14 or greater.

    5. Click "Apply password policy"


References: 

1. CCE-78907-3 

2. CIS CSC v6.0 #5.7, #16.12


CIS Controls:

16. Account Monitoring and Control

Account Monitoring and Control