ThreatModel for Amazon S3 is a comprehensive library that documents attack scenarios targeting Amazon S3 storage services and provides corresponding mitigation strategies using a risk-based approach. The tool serves as a reference resource for security professionals working with AWS S3 environments, offering detailed documentation of potential security threats and vulnerabilities specific to S3 configurations and usage patterns. It includes an interactive web-based version accessible through the Control Catalog platform, allowing users to browse and explore the threat scenarios and mitigation recommendations in a structured format. The library covers various attack vectors that could compromise S3 buckets, data, and access controls, providing actionable guidance for implementing appropriate security measures based on risk assessment principles. The resource is designed to help organizations understand the security landscape of Amazon S3 and implement effective defensive strategies to protect their cloud storage infrastructure.