Ключевые слова: 2fa, access, account, application, approved, authentic, authentication, authorization, cellphone, code, computer, concept, digital, factor, flat, icon, id, identification, illustration, internet, laptop, lock, login, mfa, mobile, multi, multifactor, online, password, permission, phone, privacy, protection, registration, safe, safety, screen, secure, security, smartphone, sms, step, technology, two, user, validation, verification, verify, web,