Official websites use .mil
Secure .mil websites use HTTPS
Category Abbreviation: OPSEC
Category Description: Critical information determined to give evidence of the planning and execution of sensitive (frequently classified) government activities after going through a formal systematic vetting process in accordance with National Security Presidential Memorandum Number 28. This process identifies unclassified information that must be protected. It almost always results from an agency’s official OPSEC program or is otherwise commonly approved for use by the CUI Senior Agency Official.
NOTE: Information on your organization's Critical Information List (CIL) MAY BE CUI. It depends on what information is included in your document and how it is stated. To use the OPSEC category, the information must be on the CIL.
Required Warning Statement:
Required Dissemination Control: