Ключевые слова: abstract, accessibility, backgrounds, blue, business, closed, closeup, communication, computer, computer chip, computer key, computer keyboard, computer network, computer part, computer software, concepts, connection, control, data, design, digital display, electrical equipment, electronics industry, encryption, equipment, ideas, identity, information medium, internet, key, lock, locking, macro, network security, order, padlock, password, privacy, purple, push button, safety, science, security, security system, single object, symbol, technology, unlocking, wireless technology,