network and database security

What are some of the tools I could use for identifying possible vulnerabilities and risks on my network? I just wanted to make sure that my networks and database are secured to avoid putting all important data at risk. Thanks.

Re: network and database security

Nmap
Zenmap
Kali
Backtrack
NeXpose
AuditPro
Oscanner
AppSentry

Re: network and database security

I agree with AuditPro, Oscanner, AppSentry and Retina Network Security for a vulnerability assessment tools.

Re: network and database security

Thanks guys! Trying your software suggestion at the moment.