Ключевые слова: abstract, access, anti, antivirus, background, business, classified, confidential, data, decrypt, decryption, encrypt, encrypted, encryption, firewall, fraud, guard, hide, hiding, information, integrity, internet, key, knowledge, online, packet, personal, privacy, program, protect, protected, protection, restricted, safety, scan, scanning, secret, security, sensitive, shield, sniffing, snooping, software, technology, virus, web, www,