today, Ali cloud enterprise certification micro-blog said in December 20th to 21, Ali cloud on a well-known game company was hit by a DDoS attack, attack attack in 14 hours, peak flow rate reached 453.8Gb. What is the specific game company was attacked and the reasons for the attack, Ali has not yet revealed. Ali cloud said that the behavior of the attack condemned, and called on all Internet companies to jointly resist hackers. In the face of hacker attacks, Ali cloud never compromise." Ali cloud in micro-blog said.