Verizon Media reaches over one billion people around the world with a dynamic house of 50+ media and technology brands. After acquiring AOL and Yahoo’s businesses, the company now employs about 10,000 people. However, extensive firewalls made it difficult to collaborate across the newly merged entities in an increasingly cloud-first environment. This presentation will discuss how they enabled authentication in a zero trust environment by following the principles of least privilege. By federating identities and creating consolidated identity views, allowing over 1,000 applications to authenticate and get complete user profiles without any changes or customization to the applications. ( David McCluskey, Bryan Meister, Sponsored).