Viruses, trojan horses, intrusions, and any suspicious or questionable activity. If you see data that is out of date, please let the IS Security Office know. We use the current letter of appointment as the source of information. Check out the CD2S web page. When the IS is being transferred to another user or being excessed.
Physical destruction is acceptable for all classification levels.
It's available for downloading as a Microsoft Word or a PDF file from the publications directory at infosec.navy.mil.