Ключевые слова: access, agreement, attack, background, book, business, colorful, concept, confidential, confidentiality, data, defense, design, desk, digital, education, encryption, hacker, handwritten, illustration, information, internet, lock, message, network, note, notepad, office, online, padlock, paper, password, policy, privacy, private, protect, protection, safe, safety, secure, security, sign, system, table, text, virus, web, wood, wooden, workplace,