Ключевые слова: access, accessibility, accessible, alarm, authenticate, authorization, authorized, code, communication, computer, connection, contact, control, device, digital, door, electronic, enter, entrance, entry, equipment, gateway, identification, information, internet, keypad, lock, modern, network, number, open, pass, password, privacy, protect, protection, remote, safe, safety, secure, security, sensor, service, system, technology, unlock, virtual,