lacework-global-48
1.20 Ensure that IAM Access analyzer is enabled for all regions (Automated)
Profile Applicability
• Level 1
Description
Enable IAM Access analyzer for IAM policies about all resources in each region.
IAM Access Analyzer is a technology introduced at AWS reinvent 2019. After the Analyzer is enabled in IAM, scan results are displayed on the console showing the accessible resources. Scans show resources that other accounts and federated users can access, such as KMS keys and IAM roles. So the results allow you to determine if an unintended user is allowed, making it easier for administrators to monitor least privileges access. Access Analyzer analyzes only policies that are applied to resources in the same AWS Region.
Rationale
AWS IAM Access Analyzer helps you identify the resources in your organization and accounts, such as Amazon S3 buckets or IAM roles, that are shared with an external entity. This lets you identify unintended access to your resources and data. Access Analyzer identifies resources that are shared with external principals by using logic-based reasoning to analyze the resource-based policies in your AWS environment. IAM Access Analyzer continuously monitors all policies for S3 bucket, IAM roles, KMS(Key Management Service) keys, AWS Lambda functions, and Amazon SQS(Simple Queue Service) queues.
Audit
From Console
- Open the IAM console at
https://console.aws.amazon.com/iam/
- Choose
Access analyzer
- Click 'Analyzers'
- Ensure that at least one analyzer is present
- Ensure that the
STATUS
is set toActive
- Repeat these step for each active region
From Command Line
- Run the following command:
aws accessanalyzer list-analyzers | grep status
Ensure that at least one Analyzer the
status
is set toACTIVE
Repeat the steps above for each active region.
If an Access analyzer is not listed for each region or the status is not set to active refer to the remediation procedure below.
Remediation
From Console
Perform the following to enable IAM Access analyzer for IAM policies:
- Open the IAM console at
https://console.aws.amazon.com/iam/.
- Choose
Access analyzer
. - Choose
Create analyzer
. - On the
Create analyzer
page, confirm that theRegion
displayed is the Region where you want to enable Access Analyzer. - Enter a name for the analyzer.
Optional as it will generate a name for you automatically
. - Add any tags that you want to apply to the analyzer.
Optional
. - Choose
Create Analyzer
. - Repeat these step for each active region
From Command Line
Run the following command:
aws accessanalyzer create-analyzer --analyzer-name <NAME> --type <ACCOUNT|ORGANIZATION>
Repeat this command above for each active region.
note
The IAM Access Analyzer is successfully configured only when the account you use has the necessary permissions.
References
https://docs.aws.amazon.com/IAM/latest/UserGuide/what-is-access-analyzer.html
https://docs.aws.amazon.com/IAM/latest/UserGuide/access-analyzer-getting-started.html
https://docs.aws.amazon.com/cli/latest/reference/accessanalyzer/get-analyzer.html
https://docs.aws.amazon.com/cli/latest/reference/accessanalyzer/create-analyzer.html