LastPass operates a widely used password management platform that requires consistent product reliability and strong security validation before every release. To support this requirement, Closeloop designed and implemented a comprehensive quality assurance process covering manual testing, automated test execution, regression validation, and release readiness checks. The new QA framework standardized testing workflows, improved defect detection, and introduced automation pipelines that reduced manual effort. This structured approach enabled faster release cycles while maintaining strict reliability and security standards across the LastPass product ecosystem.