Secret drift, a significant but often overlooked issue in modern CI/CD pipelines, occurs when configuration values like API keys and authentication tokens become inconsistent across different environments, leading to broken builds, security vulnerabilities, and wasted time. This problem arises due to factors such as manual updates, decentralized storage, hardcoding, lack of rotation policies, and neglected test environments, and it poses risks like security breaches, non-compliance, and slowed development. Preventing secret drift involves centralizing secret management, automating distribution, using environment-specific configurations, implementing drift detection, and improving visibility, with tools like Doppler offering centralized storage and automated synchronization to mitigate these issues. By treating secrets as first-class citizens in the development process and emphasizing consistent handling, teams can avoid the silent disruptions caused by secret drift and ensure their development and deployment processes remain smooth, secure, and predictable.