Definition
Secrets Manager is a cloud service designed to securely store and manage sensitive information like API keys, passwords, and database credentials. It automates the rotation of these secrets, reducing the risk of unauthorized access and simplifying credential management for developers and operations teams. This service is crucial for maintaining robust security postures in cloud environments, preventing hardcoded secrets in application code. For instance, an application can retrieve a database password from Secrets Manager at runtime instead of having it embedded in its configuration files. Unlike simple key value stores, Secrets Manager offers features like automatic rotation and fine-grained access control for enhanced security. You will encounter Secrets Manager concepts on AWS certification exams and in cloud security courses.