Ключевые слова: abstract, antivirus, assurance, best, blue, business, certificate, certified, check, computer, concept, data, decoration, emblem, firewall, flat, guarantee, guard, home, icon, icons, insurance, internet, isolated, jpg, line, lock, logo, mark, password, pictogram, png, proof, protect, protection, protection icons, proven, quality, safe, secure, security, shield, sign, simple, strong, symbol, tick, web, white,