On Jan 15, 2010, at 3:48 PM, Karl Hiramoto <karl@hiramoto.org> wrote:

On 15/01/2010 21:28, Tal Cohen wrote:
I need a penetration tester (individual or firm) to run some tests against my network.
 
Anyone have any recommendations they care to share?

1st step would be to run  nessus (http://www.nessus.org/nessus/), and nmap (http://nmap.org/)  on your network


If you're talking about an external network you can also look at Qualys's free scanning.

http://www.qualys.com/products/trials