Ключевые слова: abstract, access, attack, background, blue, business, computer, concept, connection, crime, cyber, cyberspace, data, defense, digital, encryption, firewall, guard, hacker, hand, icon, information, internet, key, laptop, lock, network, online, password, pressing, privacy, private, protect, protection, safe, safety, screen, secure, security, server, shield, sign, software, symbol, system, tech, technology, virus, web,