Classification Levels

Information may be classified at one of the following three levels: • TOP SECRET: Security classification that shall C Glossary TOC 29 be applied to information, the unauthorized disclosure of which reasonably could be expected to cause exceptionally grave damage to the national security that the original classification authority is able to identify or describe. • SECRET: Security classification that shall be applied to information, the unauthorized disclosure of which reasonably could be expected to cause serious damage to the national security that the original classification authority is able to identify or describe. • CONFIDENTIAL: Security classification that shall be applied to information, the unauthorized disclosure of which reasonably could be expected to cause damage to the national security that the original classification authority is able to identify or describe.