Security Token Service
AWS STS acts as a trusted intermediary that issues temporary security credentials to users or applications when they need to access AWS resources. These temporary credentials have a limited lifespan, typically ranging from a few minutes to a few hours. Such credentials reduce the risk of unauthorized access if credentials are compromised and also minimize the window of opportunity for attackers to exploit stolen records.
AWS STS allows you to implement the principle of least privilege, granting users or applications only the necessary permissions required for their tasks. By defining fine-grained access policies for temporary credentials, you ensure that individuals or applications only have access to the specific resources they need, thereby reducing the potential impact of any security breaches.
Further, credentials automatically expire after a defined period and require users or applications to re-authenticate and obtain new credentials for continued...
