What is secret restricted data?

Some articles on secret, secret restricted data, restricted data:

Classified Information In The United States - Classifications and Clearances Between U.S. Government Agencies
... cleared for Department of Defense Top Secret had to undergo another investigation before being granted a Department of Energy Q clearance ... security clearance required to access Top Secret Restricted Data, Formerly Restricted Data, and National Security Information, as well as Secret Restricted Data, is a Q clearance ... The lower-level L clearance is sufficient for access to Secret Formerly Restricted Data and National Security Information, as well as Confidential Restricted Data, Formerly ...

Famous quotes containing the words data, secret and/or restricted:

    This city is neither a jungle nor the moon.... In long shot: a cosmic smudge, a conglomerate of bleeding energies. Close up, it is a fairly legible printed circuit, a transistorized labyrinth of beastly tracks, a data bank for asthmatic voice-prints.
    Susan Sontag (b. 1933)

    The secret point of money and power in America is neither the things that money can buy nor power for power’s sake ... but absolute personal freedom, mobility, privacy. It is the instinct which drove America to the Pacific, all through the nineteenth century, the desire to be able to find a restaurant open in case you want a sandwich, to be a free agent, live by one’s own rules.
    Joan Didion (b. 1934)

    One thing that literature would be greatly the better for
    Would be a more restricted employment by authors of simile and
    metaphor.
    Ogden Nash (1902–1971)