Withstanding an attack from a motivated hacker is one of the most important responsibilities a system administrator must undertake. This is especially true for websites that may contain sensitive customer information and a high volume of users. So it's important for a sysadmin to take proactive measures to find and fix vulnerabilities in their websites. One tool that can help with this is Vega Vulnerability Scanner, a free, open-source, graphical web-auditing tool developed by the security co...