I know there is software out there that will monitor your logs, reverse trace the IP address, and contact the ISP saying that at X time on X day X IP address tried to brute force hack my machine. I guess it's one of those things where I'm sick of seeing it come up in my security log, so I'd like to start sending email to the ISPs to tell them to do their job and enforce their rules for all the Windoze users out there. But I don't want to take the time to do it manually. Any suggestions?
Take a look at http://www.dshield.org/
-jeff