A company values its data and therefore takes step to ensure it is protected. Which of the following factors may be included in an AUP specifically to protect data? (Choose all that apply.) A. Use of nonsanctioned software on company computers. B. Access to sensitive data should be limited to only employees that need the data to do their jobs. C. Responsibility for keeping virus checker software is made explicit. D. Staff should not read the news on CNN during company time. E. They discover that employees, on company time and using company resources, disclose proprietary company information at social networking sites. F. They discover that employees, on company time and using company resources, discredit their fellow employees at social networking sites.