This blog provides a comprehensive overview of the defect life cycle in the context of software testing. It explains the different stages of a defect and emphasizes the importance of understanding the defect states. The article defines what a defect is and its significance in the testing process. It also differentiates between a bug, defect, and failure. The defect life cycle is described as a process that starts when a bug is detected and ends when it is closed. The various states of a defect, such as New, Assigned, Open, Fixed, Verified, and Closed, are explained in detail. Best practices for implementing the defect life cycle are discussed to ensure effective defect management. The article concludes by highlighting the increasing scope of defect handling and testing due to evolving software and technology trends.