Description: Non-intrusive testing is an approach in software development that allows for the evaluation of a system’s functionality and performance without interfering with its normal operation. This type of testing focuses on observation and data collection regarding the system’s behavior in its real environment, enabling developers to identify issues and areas for improvement without disrupting the software’s workflow. It is often used in various software development methodologies, where software quality is paramount. Non-intrusive testing can include techniques such as performance monitoring, log analysis, and load testing, which provide valuable insights into how the system responds under various conditions. This approach is particularly relevant in production environments, where any disruption can have significant consequences. By not interfering with normal operations, non-intrusive testing allows for a more accurate and realistic assessment of the software, facilitating error identification and performance optimization without compromising the end-user experience.