Ключевые слова: access, business, close, closed, concept, cyberspace, enter, entrance, exploration, find, glass, guard, hand, hole, information, insurance, internet, investigate, key, keyhole, lens, lock, looking, loupe, magnifying, magnifying glass, mystery, online, padlock, privacy, problem, property, protection, question, research, safe, search, searching, secrecy, secret, security, sign, solution, symbol, task,