Ключевые слова: abstract, access, authentication, blue, business, check, circle, code, confidentiality, connection, data, defense, design, dots, encryption, green, guard, hazard, icon, illustration, internet, isolated, key, lock, network, padlock, password, privacy, private, protect, protection, protocol, random, render, safe, safety, secure, secured, security, server, shield, sign, strong, symbol, symmetric, technology, virtual, vpn, web,