An anonymous reader writes "Comcast, Time Warner and Verizon are among the ISPs preparing to implement a graduated response to piracy by July, says the music industry's chief lobbyist. ISPs, including Comcast, Cablevision, Verizon, and Time Warner Cable, have officially agreed to step up efforts to protect the rights of copyright owners. From the article: 'Supporters say this could become the most effective antipiracy program ever. Since ISPs are the Internet's gatekeepers, the theory is that network providers are in the best position to fight illegal file sharing. CNET broke the news last June that the RIAA and counterparts at the trade group for the big film studios had managed to get the deal through — with the help of the White House.'"