Amazon DynamoDB is a highly available and durable NoSQL database service that offers features like automatic replication, backups, and optional multi-region replication, making it suitable for large-scale, near real-time data access. Despite its strengths, DynamoDB deployments can face reliability challenges due to various factors such as integration with other services, application implementation issues, and occasional service disruptions. Chaos Engineering is recommended as a method to identify and mitigate these risks by systematically testing and verifying the reliability of applications using DynamoDB. This approach involves conducting experiments to simulate failure scenarios in order to enhance application resilience and ensure a seamless user experience. While DynamoDB provides a robust platform for building reliable databases, understanding and addressing potential vulnerabilities is crucial for maintaining performance and availability.