NASA Internal Memo: Do Not Access Public Web Sites Containing Classified Information
"Individuals with a security clearance have agreed to certain restrictions regarding classified information. Accessing classified information on Wikileaks, even from home, constitutes a security violation. Viewing classified information from a computer that isn't authorized to access classified information, and/or viewing classified information that he or she is not authorized access to, is a security violation. And, use of official Government computers for other than authorized purposes is prohibited by federal ethics laws."