Ключевые слова: access, attack, background, blackboard, business, button, clean, close, cloud, code, computer, computing, concept, cyber, data, design, digital, download, encryption, firewall, green, guard, hand web, icon, internet, isolated, key, lock, lockout, login, network, online, padlock, password, privacy, protect, protection, safe, safety, secure, security, service, sign, symbol, system, technology, unlock,