What does the term “marking” in the context of classified information refer to?

The term “marking” in the context of classified information specifically refers to the method of indicating the classification level associated with that information. This involves using appropriate labels, symbols, or markings to inform users about the sensitivity of the information and the handling instructions tied to its classification level. Marking is crucial as it ensures that individuals who access the document are aware of its classification status and the controls that must be observed in order to protect the information properly. Proper marking helps maintain information security and compliance with regulations regarding classified materials. This practice is essential for safeguarding national security and managing sensitive data effectively.