This Guide Memo describes the procedures to be followed when a computer security incident is discovered to have occurred involving an Academic or Administrative Computing System operated by Stanford University, its faculty, students, employees, consultants, vendors or others operating such systems on behalf of Stanford. It also describes the procedures to be followed when Prohibited or Restricted Information residing on any computing or information storage device is, or may have been, inappropriately accessed, whether or not such device is owned by Stanford. This policy outlines the procedures for decision making regarding emergency actions taken for the protection of Stanford's information resources from accidental or intentional unauthorized access, disclosure or damage.