The rapid growth of AI and automation has led to a significant increase in the creation and management of machine and non-human identities, resulting in a phenomenon known as "secrets sprawl." This sprawl poses security risks as traditional Identity and Access Management (IAM) and secrets management tools struggle to keep pace with the dynamic nature of AI workloads, which require temporary and highly specific credentials. The article discusses the challenges of managing these identities across various platforms and clouds, emphasizing the need for centralized policy management, enforcement of least privilege principles, and the use of short-lived credentials to mitigate risks. It also highlights the importance of automating secret rotation and cleanup to prevent unmanageable access sprawl and underscores the role of secrets managers like Doppler in maintaining machine identity hygiene by centralizing, automating, and securing credentials across environments.