Definition of "classified" []

• Arranged in classes or categories. (adjective)
• Available to authorized persons only, as for reasons of national security: a classified document. (adjective)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "General Michael Hayden, former head of the CIA and the National Security Agency, told Congress there is too much secrecy within the government cyber community, due to privacy concerns and what he called a "classified culture" at NSA and elsewhere."
• "The Daily Beast last week cited what it called a classified FBI report that estimated China's army has more than 30,000 cyberspies plus more than 150,000 private-sector computer experts assigned to steal U.S. military and technology secrets."
• "The Daily Beast last week cited what it called a classified FBI report that estimated China's army has more than 30,000 cyberspies plus more than 150,000 private-sector computer experts assigned to steal US military and technology secrets."