Information Security Oversight Office (ISOO)

Guidance and Frequently Asked Questions


Guidance for Handling and Reporting Incidents and Spillages of Classified National Security Information

The Director of the Information Security Oversight Office has provided guidance that was promulgated by the Committee on National Security Systems for determining, investigating and reporting data incidents and spills involving classified information onto information systems not accredited and certified to the appropriate level of the information’s classification.

Guidance for transmission methods of Secret and Confidential information within and between the U.S., Puerto Rico, or a U.S. possession or territory FAQ's

The Director of the Information Security Oversight Office has provided guidance that agency heads may authorize the use of current holders of the GSA contract, when a requirement exists, for the overnight delivery of Secret and Confidential information within and between the U.S., Puerto Rico, or a U.S. possession or territory.

Guidance on the National Declassification Center

The National Declassification Center (NDC) was created when President Obama signed the new Executive order released by the White House on December 29, 2009.

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The U.S. National Archives and Records Administration
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