This study used anonymous and confidential surveys. The prison administration filtered information deemed confidential. They write that intelligence organizations practice strict compartmentalization of confidential or secretive information. Further information is restricted due to state law making information related to pardons confidential. DLP includes techniques for identifying confidential or sensitive information. It is also used as a way to hide passwords or confidential information. The U.S. treats Restricted information it receives from other governments as Confidential. The lawsuits accuse "John Doe" defendants of obtaining passwords and confidential information. Later he always treated his conversations with presidents as confidential. These designations are used in addition to level markings (Confidential, Secret and Top Secret). The parties settled the case on confidential terms in 2006. The situation ended with a confidential settlement. The lawsuit ended in a confidential settlement. The lawsuit was resolved after several months by way of confidential settlement. Their name is taken from a dialogue in the film "L.A. Confidential".