Ключевые слова: 2d, abstract, access, background, blue, business, circuit, code, communication, computer, concept, crime, cyber, datum, digital, display, encrypted, finance, firewall, hack, hacker, hacking, icon, information, internet, key, keyhole, lock, network, online, open, pad, padlock, password, personal, privacy, protect, protection, secure, security, system, technology, unlock, virus, web,