Mission Critical System

Any telecommunications or information system that: 

a. is defined as a national security system under section 5142 of the Clinger Cohen Act of 1996;

b. is protected at all times by procedures established for information;

c. has been specifically authorized under criteria established by an Executive order or an Act of Congress to be classified in the interest of national defense or foreign policy; or

d. processes any information of which the loss, misuse, disclosure, or unauthorized access to or modification would have a debilitating impact on DOE’s mission.