Ключевые слова: access, asymmetric, authentication, business, check, code, computer, concept, confidentiality, connection, data, defense, design, encryption, guard, hacker, hazard, https, illustration, internet, key, lock, mobile, network, password, private, programmer, protect, protection, protocol, safe, safety, secure, secured, security, server, shield, sign, sketch, strong, symbol, symmetric, virtual, vpn, web, website, wifi, www,