Recently a massive distributed denial-of-service (DDoS) attack was conducted on Blizzard and League of Legends server by PoodleCorp hackers. The hackers have conducted a series of DDoS attack on these 2 game servers.
PoodleCorp claimed responsibility for the DDoS attack on their Twitter account stating they shut down Blizzard servers in Europe and the United States and League of Legends servers in North America. Blizzard Entertainment, Inc. is an American video game developer and publisher based in Irvine, California.
League of Legends is a multiplayer online battle arena video game developed and published by Riot Games for Microsoft Windows and OS X.
PoodleCorp is the same group who DDoSed servers of gaming app Pokemon Go recently and became popular over online. In the recent tweet by the hackers they have annonced that they will be attacking another gaming network soon.