Nessus 是目前全世界最多人使用的系统漏洞扫描与分析软件。总共有超过75,000个机构使用Nessus 作为扫描该机构电脑系统的软件(Nessus is the most widely used system vulnerability scanning and analysis software in the world. More than 75000 organizations use Nessus as a software to scan the computer system.)