Do Derivative classification requires resources for security clearances physical security measures and countermeasures?

Yes, derivative classification requires resources for security clearances, as individuals must be appropriately vetted to access classified information. Additionally, physical security measures and countermeasures are essential to protect classified materials and prevent unauthorized access. This includes secure storage, access controls, and training for personnel involved in handling classified information. Overall, effective derivative classification relies on a robust security infrastructure to ensure compliance with regulations and protect national security.