I would not risk downloading stuff with that ISP...they could be monitoring you now. Its up to you though...

If you switch ISPs though, then theres no worries.
Frivolous248 Reviewed by Frivolous248 on . Should I be worried... Well today upon reading my email I came across this. Dear Comcast High-Speed Internet Subscriber: Comcast has received a notification by a copyright owner, or its authorized agent, reporting an alleged infringement of one or more copyrighted works made on or over Comcast's High-Speed Internet service (the 'Service'). The copyright owner has identified the Internet Protocol ('IP') address associated with your Service account at the time as the source of the infringing works. The Rating: 5