Amazon Macie service should be in use in order to classify and protect sensitive information such as credit cards, financial records or Personally Identifiable Information (PII), available in your AWS account. AWS Macie is a data security service that utilizes machine learning to automatically discover, classify and protect critical data within AWS cloud. Once enabled and configured, Macie will scan your S3 buckets to identify sensitive information, bring this data to your attention and analyze access patterns and user behavior to prevent any data leakage.