 It is one of the various sub-categorizations for strictly unclassified information which, on 24 February 2012, was officially consolidated as CUI.Other departments using this designation include the Department of Homeland Security.On 24 February 2012, the Under Secretary of Defense for Intelligence published the publicly available DoDM 5200.01, a four-volume manual consolidating all marking of information used by the U.S. Department of Defense.