Vulnerability Scanner

A vulnerability scanner is an application that tests computer systems for security vulnerabilities

Example

Joe has a website addressed as www.example.com which is running an old version of their web server software, this version has a programming error which allows hackers to take over Joe's site. Somebody in the hacker communited has created a program that can exploit this bug, hence the name 'Security Exploit'. Joe should update his webserver version as soon as possible.