The ISTQB® Agile Test Leadership at Scale (CT-ATLaS) certification focuses on organizing and improving quality and testing across multiple teams in an agile organization. It also addresses quality and testing at a strategic level to achieve higher business agility. This certification emphasizes scaling testing and quality assurance efforts by fostering a quality mindset and culture across the organization. It involves shifting from traditional test management approaches to a quality assistance approach based on Lean and Agile principles and values. Additionally, it covers adopting common Lean and Agile techniques and processes for analyzing and solving problems to improve testing and quality in the organization.