Thank you very much for the advice.
Funny thing is that, this company itself is one of the top internet security sw/service provider. I guess even the doctors get sick too :-)
I've detected some unauthorized access from a world-famous company in California to my web servers. It all started with my PC being infected with some spyware, which then has intercepted my communication with my web servers. The intercepted data were then used to launch the unauthorized web...