Controlled Unclassified Information (CUI) is information that requires safeguarding or dissemination controls pursuant to and consistent with applicable law, regulations, and government-wide policies but is not classified under Executive Order 13526 or the Atomic Energy Act, as amended.

Source: https://www.archives.gov/cui/about

Covered defense information is used to describe information that requires protection under DFARS Clause 252.204-7012. It is defined as unclassified controlled technical information (CTI) or other information as described in the CUI Registry (), that requires safeguarding/dissemination controls AND IS EITHER marked or otherwise identified in the contract and provided to the contractor by DoD in support of performance of the contract; OR collected/developed/received/transmitted/used/stored by the contractor in performance of contract.

Source: https://business.defense.gov

Controlled Technical Information means technical information with military or space application that is subject to controls on the access, use, reproduction, modification, performance, display, release, disclosure, or dissemination. Controlled technical information is to be marked with one of the distribution statements B through F, in accordance with Department of Defense Instruction 5230.24, "Distribution Statements of Technical Documents." The term does not include information that is lawfully publicly available without restrictions. "Technical Information" means technical data or computer software, as those terms are defined in Defense Federal Acquisition Regulation Supplement clause 252.227-7013, "Rights in Technical Data - Noncommercial Items" (48 CFR 252.227-7013). Examples of technical information include research and engineering data, engineering drawings, and associated lists, specifications, standards, process sheets, manuals, technical reports, technical orders, catalog-item identifications, data sets, studies and analyses and related information, and computer software executable code and source code.

Source: https://www.archives.gov/cui

Federal contract information means information, not intended for public release, that is provided by or generated for the Government under a contract to develop or deliver a product or service to the Government, but not including information provided by the Government to the public (such as on public Web sites) or simple transactional information, such as necessary to process payments.

Source: https://www.acquisition.gov/far