Software is authorized in accordance with a reputation of the software. A trust in the author and/or publisher of the software is determined via digital signatures and/or CoAs, and a reputation of the software is utilized to determine the intent of the software. The reputation of the software can be determined via a local service, such as an enterprise IT department and/or via a reputation determination service. When software is downloaded or to be executed, the trust in the author/publisher is determined using digital signatures and/or CoAs associated with the software. If the author/publisher is determined to be trusted, a service is called to determine the reputation of the software. The software can be installed and/or executed dependent upon the reputation of the software and trustworthiness of the author/publisher.