Ключевые слова: access, account, approved, authentic, authentication, authorization, background, certificate, code, concept, device, digital, fingerprint, genuine, icon, id, identification, identity, internet, isometry, lock, login, mobile, modern, online, password, permission, phone, privacy, proof, protection, recognition, request, safety, scan, screen, secure, security, service, smartphone, technology, touch, user, validation, verification, verify, web,