New questions have arisen over the Megaupload takedown, including the series of retaliatory distributed denial-of-service (DDoS) attacks launched by Anonymous. Those attacks were launched in large part using the Anonymous Low Orbit Ion Cannon (LOIC) DDoS tool, as well as tricking people into clicking on JavaScript links that would trigger DDoS attacks. Some of the highest-profile Anonymous attacks look like the work of organizations or industries that stood to lose a substantial amount of money.”]
Source: https://www.darkreading.com/attacks-breaches/megaupload-host-wants-to-delete-data