本文首先分析了当前涉密文件安全防护技术现状,找出了安全防护措施不力的根本原因,在此基础上提出了一种加强文件安全防护能力的有效措施——主动防泄密安全机制,并根据单位内部局域网信息安全防护的实际需要,提出了具体的技术实现方案,从根本上有效提高了涉密文件的安全防护能力。 This paper first analyzes the current status of confidential file security protection technology and finds out the root cause of the weak security protection measures. Based on this, it puts forward an effective measure to enhance the file security protection capability - active security against leakage and based on Unit internal LAN information security protection of the actual needs, put forward a specific technology to achieve programs, fundamentally and effectively improve the security protection of confidential documents.