OUSD(I&S) Information Security (INFOSEC) Office

• Provides policy guidance for the identification and protection of classified national security information (CNSI) and controlled unclassified information (CUI) in accordance with national-level policy issuances.
• Promotes information sharing.
• Simplifies management through implementation of uniform and standardized processes. 
• Employs, maintains, and enforces standards for safeguarding, storing, destroying, transmitting, transporting, and declassifying/decontrolling CNSI and CUI.
• Actively promotes and implements security education and training throughout the Department of Defense.
• Mitigates the adverse effects of unauthorized access to CNSI and CUI by investigating and acting upon reports of security violations and compromises of CNSI and CUI.