Chaos engineering is a method used to enhance the resilience of cloud-native applications by deliberately introducing failures and disruptions to test how software systems respond under stress. Originating from Netflix's need to manage the complexities of cloud infrastructure, chaos engineering employs tools like Chaos Monkey to simulate random failures, helping organizations understand and improve their system's robustness. The practice involves hypothesizing expected behavior, conducting controlled experiments, and observing outcomes to gain insights into software performance, which can lead to increased resilience, accelerated innovation, and improved collaboration across technical teams. Despite its benefits, chaos engineering presents challenges such as unnecessary damage and lack of observability if not managed carefully, making it crucial to control the "blast radius" of tests. Solutions like Gremlin and Dynatrace provide management and observability tools to facilitate chaos experiments, enabling teams to analyze and mitigate the impact of disruptions effectively. While chaos engineering offers significant advantages in strengthening application resilience, organizations must prepare thoroughly and implement appropriate monitoring to handle potential failure scenarios during digital transformations.