Resumes of over 9,000 US military personnel have been exposed on an unsecure amazon platform. It is believed the lapse was mainly due to human error, and occurred during a document transfer using the S3 server between a security contractor and recruitment firm.

https://www.pcauthority.com.au/news/top-secret-data-on-ex-us-military-personnel-exposed-on-amazon-s3-server-472672