Sensitive unclassified information

Definition
Sensitive unclassified information is any information the loss, misuse, or unauthorized access to, or modification of which, might adversely affect U.S. national interest, the conduct of DOD programs, or the privacy of DOD personnel (e.g., FOIA exempt information and information whose distribution is limited by DOD Directive 5230.24).

Source

 * DOD Directive 5200.28.