How to Find Unencrypted or Public AWS EC2 Snapshots
When you share a snapshot, you are giving others access to all the data on the snapshot. Share snapshots only with people with whom you want to share all of your snapshot data.
info
This security check is part of the CIS Amazon Web Services Benchmarks and is rated severity medium.
Prerequisites
This guide assumes that you have already installed and configured Fix Inventory to collect your AWS resources.
Directions
-
Execute the following
search
command in Fix Inventory Shell:> search is(aws_ec2_snapshot) and encrypted=false
kind=aws_ec2_snapshot, ..., region=fixinventory-poweruser
kind=aws_ec2_snapshot, ..., account=poweruser-team -
Pipe the
search
command into thedump
command:> search is(aws_ec2_snapshot) and encrypted=false | dump
reported:
id: /aws/ec2/123
name: some-name
ctime: '2022-12-05T22:53:14Z'
kind: aws_ec2_snapshot
age: 2mo28dThe command output will list the details of all non-compliant
aws_ec2_snapshot
resources.
Remediation
Enable encryption of snapshots.
note
Please refer to the AWS EC2 documentation for details.