1. A non-transitory computer-readable storage medium having stored thereon executable instructions that, when executed by one or more processors of a computer system, cause the computer system to at least: instantiate a secure execution environment, the secure execution environment configured with a first set of executable instructions that, when executed within the secure execution environment, cause the computer system to at least: receive information associated with a web services request; determine one or more tasks to perform, the one or more tasks based at least in part on the information; execute a task of the one or more tasks, the task configured to generate response information; the response information usable to generate a response to the web services request; and encrypt the response information using a key stored within the secure execution environment, the key available to a component of the computer system configured to process the generated response information; and provide the generated response information to the component.