要确保网络环境下运行的电子文件的安全,网络本身的安全就显得尤其重要。对人为的恶意的攻击和不可避免的技术漏洞,我们就要采取相应的网络安全技术来保证电子文件信息安全。 To ensure the safety of electronic files running in a networked environment, the security of the network itself becomes especially important. On the malicious attacks and unavoidable technical loopholes, we must take the appropriate network security technology to ensure the security of electronic documents.