DDoS has become a big business in China

Based on a research published by Tencent Research Institute, in China, DDoS attacks now "employs" about 380,000 people in China, with more than 6000 hacking groups, and revenue to the north of RMB$10 billion ($1 = 6.39RMB as of Nov. 25, 2015).

Typical scenarios of a DDoS attack in China include:
- Business competition: one would hire these hackers to attach the website or IT system of a competitor.
- Blackmail: one would attack a business until some ransom money is paid.

People make money by:
- Sell DDoS tools
- Execute attacks
- Be the middle man.

(Source is in Chinese: http://mp.weixin.qq.com/s?__biz=MjM5OTE0ODA2MQ==&mid=400673180&idx=1&sn=ed89dbe28196c9fea6d9c05c466740af&scene=5&srcid=1125DUtCuEyO5DNOtemTqyAM#rd)