China's credit card transactions totaled $1.2 billion in 2011, said a China Banking Association report.
China issued 3.23 billion bank cards as of the end of the second quarter, an increase of 20.6 percent from a year earlier.
China's information security industry will generate 67 billion yuan ($10.5 billion) in revenue in 2015, the Ministry of Industry and Information Technology said.
Analysts said that various phone applications adored by smart phone users have become a new target for hackers to steal personal information.
Most companies regard the entire issue warily, seeing only expensive disclosure requirements.