[Answer] Which level of classified information could cause damage to national security if compromised?

Answer: Confidential

Most relevant text from all around the web:

Which level of classified information could cause damage to national security if compromised? " Information Security is a multidisciplinary area of study and professional activity which is concerned with the development and implementation of security mechanisms of all available types (technical organizational human-oriented and legal) in order to keep information in all its locations (within and outside the organization's perimeter ... The scandal erupted on October 31 2005 when Winternals (later acquired by Microsoft Corporation) researcher Mark Russinovich posted to his blog a detailed description and technical analysis of F4I's XCP software that he ascertained had been recently installed on his comp...

Disclaimer: 

Our tool is still learning and trying its best to find the correct answer to your question. Now its your turn, "The more we share The more we have". Comment any other details to improve the description, we will update answer while you visit us next time...Kindly check our comments section, Sometimes our tool may wrong but not our users.

Are We Wrong To Think We're Right? Then Give Right Answer Below As Comment