Testing data management for Automation in QA basically means developing, maintaining, and utilizing data sets so as to mirror real-life scenarios. It needs to provide the basis for development of tests that shall be reliable, repeatable, and comprehensive, as far as possible, for a number of edge cases. Automation of generation and validation of test data maintains consistency and has a lower manual effort for reusing similar tasks. Securing sensitive data and data masking techniques become very beneficial in maintenance of compliance with many regulations on data protection during testing.