Ключевые слова: abstract, book, business, cellphone, closeup, complex, computer, concept, crime, data, development, digital, dot, double, economy, exposure, firewall, graph, graphic, guard, hacking, icon, intelligence, interior, key, keyboard, laptop, lock, mesh, network, notebook, online, padlock, pc, personal, privacy, protection, remote, research, screen, secure, security, seo, shield, studying, symbol, system, technology, unlock, web,