This video demonstrates how to use Amazon S3 Object Lock to protect data using a write-once-read-many (WORM) model. The presenter, David DeLuca, walks through creating an S3 bucket with Object Lock enabled, applying retention settings to objects, setting default policies, and using legal holds. He showcases how Object Lock prevents accidental or malicious deletions and helps meet compliance requirements. The demonstration covers configuring retention periods, governance and compliance modes, and attempting to delete protected objects. It highlights Object Lock's integration with other S3 features like versioning and lifecycle management. Overall, the video provides a comprehensive overview of S3 Object Lock's capabilities for data protection and regulatory compliance.