The software vendor may either sue you or the ISP will jam your internet connection with the illegal download is in progress.
This latest piracy tracking software for ISPs, still in development stages, is able to recognise the legal and illegal versions of programs being downloaded by individual users and can help ISPs track their subscribers’ downloading activities.
Accordingly, the ISPs can alert the original music or movie companies, and subsequently initiate appropriate action as per the latter’s instruction. Can someone confirm if RIAA is sponsoring the development of this software ?
Related: The Great Pyramid of Internet Piracy
Source: TCS seeks to deprive cyber pirates of loot | Rediff.com