This publication has been superseded by AIMD-00-21.2.8, Travel System Requirements: Checklist for Reviewing Systems Under the Federal Financial Management Improvement Act of 1996, December 1999. This publication has been superseded by AIMD-98-68, Executive Guide: Information Security Management--Learning From Leading Organizations, March 1998. GAO published a guide to assist federal agencies in establishing a management framework for exploring and reducing the information security risks associated with their operations.