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Version: 3.5.1

How to Find AWS S3 Buckets Without MFA Delete Enabled

Your security credentials are compromised or unauthorized access is granted.

info

This security check is part of the CIS Amazon Web Services Benchmarks and is rated severity medium.

Prerequisites‚Äč

This guide assumes that you have already installed and configured Resoto to collect your AWS resources.

Directions‚Äč

  1. Execute the following search command in Resoto Shell or Resoto UI:

    > search is(aws_s3_bucket) and bucket_mfa_delete=false
    ‚Äčkind=aws_s3_bucket, ..., region=resoto-poweruser
    ‚Äčkind=aws_s3_bucket, ..., account=poweruser-team
  2. Pipe the search command into the dump command:

    > search is(aws_s3_bucket) and bucket_mfa_delete=false | dump
    ‚Äčreported:
    ‚Äč id: /aws/s3/123
    ‚Äč name: some-name
    ‚Äč ctime: '2022-12-05T22:53:14Z'
    ‚Äč kind: aws_s3_bucket
    ‚Äč age: 2mo28d

    The command output will list the details of all non-compliant aws_s3_bucket resources.

Remediation‚Äč

  • Add MFA delete to an S3 bucket.
  • It requires additional authentication when you change the version state of your bucket, or you delete and object version adding another layer of security in the event your security credentials are compromised or unauthorized access is granted.
note

Please refer to the AWS S3 documentation for details.

Further Reading‚Äč

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