Ключевые слова: 2fa, access, advanced, authentication, authorize, cipher, cloud, code, composition, computer, concept, confirm, display, factor, hacker, icon, identification, identity, internet, laptop, login, message, mobile, monitor, name, online, password, pc, personal, phone, privacy, protection, register, registration, reliability, safe, safety, screen, secure, security, smartphone, sms, step, technology, two, user, verification, verify, web, website,