Ключевые слова: access, algorithm, allow, approve, attack, black, block, change, close, code, concept, confidential, dark, data, defense, digit, dim, ecommerce, encoding, encryption, guard, hack, information, key, lock, management, number, padlock, password, permit, possible, privacy, problem, process, protection, random, safety, secret, security, solution, solve, steal, support, technical, user, zero,