Access the AWS account with read-only credentials, examine the details of the GuardDuty finding related to the IAM credentials, and apply a DenyAll policy to the IAM principal via the IAM console.

Access the AWS account with read-only credentials, analyze the GuardDuty finding to pinpoint the API calls that triggered the alert, and utilize Amazon Detective to conduct a contextual review of these API calls.

Access the AWS account with administrator credentials, inspect the details of the GuardDuty finding concerning the IAM credentials, and implement a DenyAll policy to the IAM principal through the IAM console.

Access the AWS account with read-only credentials, identify the API calls from the GuardDuty finding that led to the alert, and employ AWS CloudTrail Insights and AWS CloudTrail Lake for a contextual analysis of these API calls.