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MediaDefender, Inc. now (Peer Media Technologies) is a counterpiracy company〔http://online.wsj.com/article/SB120001282486582581.html〕 that offered services designed to prevent alleged copyright infringement using peer-to-peer distribution. They used unusual tactics such as flooding peer-to-peer networks with decoy files that tie up users' computers and bandwidth.〔Holahan, Catherine (March 5, 2007). "(Advertising to the File-Sharing Crowd )" ''BusinessWeek''. Retrieved on September 16, 2007.〕 MediaDefender was based in Los Angeles, California in the United States. As of March 2007, the company had approximately 60 employees〔Anderson, Nate (March 18, 2007). "(Peer-to-peer poisoners: A tour of MediaDefender )". Ars Technica. Retrieved on September 16, 2007.〕 and used 2,000 servers hosted in California with contracts for 9 Gbit/s of bandwidth.〔 These types of organizations are being hired to attempt to stymie peer-to-peer (P2P) traders through a variety of methods including posting fake files online and recording individuals who contribute copyrighted material, but also marketing to individuals using P2P networks.〔Angwin, Julia, McBride, Sarah, and Smith, Ethan (October 18, 2006). "(Record Labels Turn Piracy Into a Marketing Opportunity )". ''The Wall Street Journal''. Retrieved on September 16, 2007.〕 Clients include Universal Pictures, 20th Century Fox, Virgin Records, HBO, Paramount Pictures, and BMG. On August 1, 2005, the digital media entertainment company ARTISTdirect announced that it had acquired MediaDefender for $42.5 million in cash. In May 2008, MediaDefender performed a distributed-denial-of-service attack on Revision3, despite the fact that they were not hosting pirated materials. Jim Louderback, Revision3 CEO charged that these attacks violated the Economic Espionage Act and the Computer Fraud and Abuse Act. As of May 2008, the Federal Bureau of Investigation was investigating the incident.〔 (【引用サイトリンク】title=Revision3 CEO: Blackout caused by MediaDefender attack ) 〕 In August 2009, ARTISTdirect restructured MediaDefender and MediaSentry, creating Peer Media Technologies. ==Miivi.com== In February 2007, MediaDefender launched a video sharing site called Miivi.com. On July 4, 2007, file-sharing news site TorrentFreak alleged that Miivi.com was created to trap uploaders of copyrighted content.〔"(Anti-Piracy Gang Launches their own Video Download Site to Trap People )". July 4, 2007. TorrentFreak. Retrieved on September 17, 2007.〕〔("MPAA Dummy Site Snares Pirates" ) ''DigitalTrends.com''〕 The site's origins were discovered by a blogger who looked up Miivi.com domain registration information.〔("Domain Registration Information" )〕 After the allegation was re-posted throughout the blogosphere, Miivi.com was shut down on July 4, 2007.〔("Miivi.com goes down" )〕 In an interview with Ars Technica, chief executive Randy Saaf stated that "MediaDefender was working on an internal project that involved video and didn't realize that people would be trying to go to it and so we didn't password-protect the site".〔Cheng, Jacqui (July 6, 2007). "(MediaDefender denies entrapment accusations with fake torrent site )". Ars Technica. Retrieved on September 16, 2007.〕 MediaDefender blamed file-sharing groups such as The Pirate Bay for starting the story.〔 Following MediaDefender's subsequent email leak, TorrentFreak alleged that MediaDefender's statement was revealed to be a deliberate falsehood.〔"(The Biggest Ever BitTorrent Leak: MediaDefender Internal Emails Go Public )". September 15, 2007. TorrentFreak. Retrieved on September 16, 2007.〕 Saaf denied that MiiVi was "a devious product" and that the company aimed to entrap users, stating only that it was part of MediaDefender's "trade secrets."〔McBride, Sarah (September 17, 2007). "(Antipiracy group suffers email leak )". ''The Wall Street Journal''. Retrieved on September 16, 2007.〕 The MPAA denied any involvement with MediaDefender.〔 On September 14, 2007, internal emails from MediaDefender were leaked on to BitTorrent file sharing networks, which contradicted MediaDefender's claims of MiiVi being an "internal test site," revealing additional detailed information about the website and that the site was closed when the connection between it and MediaDefender became public knowledge. It was scheduled to be re-launched as www.viide.com, but has not yet been opened up to the public.〔 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「MediaDefender」の詳細全文を読む スポンサード リンク
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