有关ds160表上的SBU与签证结果的关系，请大家分析分析

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Sensitive But Unclassified

Sensitive But Unclassified (SBU) is a designation of information in the United States federal government that, though unclassified, often requires strict controls over its distribution. SBU is a broad category of information that includes material covered by such designations as For Official Use Only (FOUO), Law Enforcement Sensitive (LES), Sensitive Homeland Security Information, Security Sensitive Information (SSI), Critical Infrastructure Information (CII), etc. It also includes Internal Revenue Service materials like individual tax records, systems information, and enforcement procedures. Some categories of SBU information have authority in statute or regulation (e.g. SSI, CII) while others, including FOUO, do not.

UNCLASSIFIED/FOUO is primarily a Department of Defense phrase/acronym, used for documents or products which contain material which is exempt from release under the Freedom of Information Act. It is treated as confidential, which means it cannot be discarded in the open trash, made available to the general public, or posted on an uncontrolled website. It can, however, be shared with individuals with a need to know the content, while still under the control of the individual possessing the document or product.[1]

Information that may be protected with these labels range from personally identifying information such as passport and Social Security numbers to documents protected by the attorney-client privilege.[2][3] Though SBU information may be exempt from complete disclosure under the Freedom of Information Act, it should not be universally withheld.[4][5]

PARD (Protect as restricted data). This is an unclassified but sensitive marking used in the department of energy. It is the marking that was on Dr. Wen Ho Lee's program codes at Los Alamons National Laboratory. He (and many other) scientists backed up such data to tape. The government would later claim this was 'espionage' and charge him under 18 U.S.C. § 793, (the Espionage Act) which makes it a felony to 'withhold' information related to the 'national defense'. He eventually pled guilty to one of the 54 counts against him. [6][7] He later won a lawsuit against the government and several newspapers over his treatment.

The number of designations in use by various branches of the U.S. government for unclassified information eventually numbered more than 100. On May 9, 2008, President George W. Bush directed their consolidation into a new category: Controlled Unclassified Information (CUI).[8] [9]


来源：http://en.wikipedia.org/wiki/Sensitive_but_unclassified