Root Cause Analysis (RCA) is a strategic approach in software testing that seeks to identify the fundamental causes of software defects, moving beyond surface-level anomalies to prevent future recurrences. It is characterized by three main steps: Recognize, Rectify, and Replicate, which involve identifying the problem, implementing solutions, and ensuring the issue does not reoccur. RCA employs various techniques such as the 5 Whys, Fishbone Diagrams, Fault Tree Analysis, and others to systematically investigate and address defects. These methods not only improve software quality by eliminating recurring issues but also enhance risk management and decision-making processes. Despite its benefits, RCA faces challenges like limited data availability and time constraints, especially in complex systems. The advent of cloud-based testing platforms like LambdaTest has facilitated RCA by providing scalable and collaborative environments with advanced analytics, thus streamlining defect resolution and boosting software quality.