Ключевые слова: access, arcana, authorized, classified, concept, conceptual, confidential, confidentiality, espionage, forbidden, hashish, hidden, hush, information, insight, insightful, intelligence, paper, penetration, perceive, perception, perceptiveness, perspicacity, privacy, private, privy, protect, protection, receptivity, restricted, safety, secluded, secrecy, secret, secure, security, spy, text, top, torn, under, undercover, underground, undisclosed, unknown, unpublished, unrevealed,