而对目标系统漏洞信息的获取，目前主要是通过网络漏洞扫描工具实现的。

Then it studies the network vulnerability scanning technology, witch includes port scanning, vulnerability scanning and dictionary attacking.

youdao

网络安全评价是一复杂的系统工程，现有的安全评估工具大都只是用于对网络系统安全漏洞进行扫描、检测。

Network security assessment is a complex system engineering. Most of current security evaluation tools are only used to scan and detect the security vulnerabilities of network system.

youdao

当前，最常用的网络安全评价方法是风险评估方法，以及利用漏洞扫描工具软件来测试和评估系统的安全程度等。

At present, the most frequently used network security evaluating methods are risk evaluating method and leak scanning tool software to test and evaluate the security degree of the system.

youdao

当前，最常用的网络安全评价方法是风险评估方法，以及利用漏洞扫描工具软件来测试和评估系统的安全程度等。

At present, the most frequently used network security evaluating methods are risk evaluating method and leak scanning tool software to test and evaluate the security degree of the system.

youdao