Here are Google dorks to help you find target storage buckets left in the open:
site:s3.amazonaws.com "target.com"
site:blob.core.windows.net "target.com"
site:googleapis.com "target.com"
site:drive.google.com "target.com"
site:dev.azure.com "target[.]com"
site
nedrive.live.com "target[.]com"
site:digitaloceanspaces.com "target[.]com"
site:sharepoint.com "target[.]com"
site:s3-external-1.amazonaws.com "target[.]com"
site:s3.dualstack.us-east-1.amazonaws.com "target[.]com"
site:dropbox.com/s "target[.]com"
site:box.com/s "target[.]com"
site:docs.google.com inurl:"/d/" "target[.]com"
site:s3.amazonaws.com "target.com"
site:blob.core.windows.net "target.com"
site:googleapis.com "target.com"
site:drive.google.com "target.com"
site:dev.azure.com "target[.]com"
site
site:digitaloceanspaces.com "target[.]com"
site:sharepoint.com "target[.]com"
site:s3-external-1.amazonaws.com "target[.]com"
site:s3.dualstack.us-east-1.amazonaws.com "target[.]com"
site:dropbox.com/s "target[.]com"
site:box.com/s "target[.]com"
site:docs.google.com inurl:"/d/" "target[.]com"