Answer :
The authoritative source for derivative classification in cyber awareness 2024 is the Department of Defense (DoD). (option D)
- Derivative classification involves the process of paraphrasing, restating, or summarizing classified information from an existing source and assigning it a classification level.
- The DoD has the authority and responsibility to provide guidelines and ensure proper classification procedures as they relate to national security.
- Other organizations like the National Institute of Standards and Technology (NIST), Central Intelligence Agency (CIA), and Federal Bureau of Investigation (FBI) also contribute to cyber awareness, but they do not hold primary authority for derivative classification.
- Hence,option D is correct