什么是信息安全? 工TU-X.800给出的相关属性的定义: (2)完整性( ntegrity): Assurance that data received are exactly as sent by an authorized sender 通过访问控制阻止篡改行为,通过消息摘要 算法检验信息是否被篡改。什么是信息安全? ITU-X.800给出的相关属性的定义: （2）完整性（Integrity）：Assurance that data received are exactly as sent by an authorized sender. 通过访问控制阻止篡改行为，通过消息摘要 算法检验信息是否被篡改