Over the past few years, personal cloud storage in China has witnessed exponential growth as a convenient replacement for mobile storage devices. However behind the boom are looming undercurrents of concern around security and content management.

As part of the country’s efforts to ‘clean up’ the internet, five national authorities including the National Anti-Pornography Office, the Ministry of Public Security, and the Ministry of Industry and Information Technology, have jointly launched campaign in March to purge everything from pornography to other content that deemed illegal by the government. The event has created a domino effect in China’s personal cloud storage sector, resulting the shutdown of six major services.

The purge is shaking out the industry as most of the companies mentioned above are top-ten players in the market. According to a report BigData Research compiled in December 2015, Baidu Cloud topped the list with 37.86 million monthly active users. Huawei DBank and 360 Cloud took the second and third spot with 13.71 million and 6.87 million MAU, respectively, followed by Weiyun (4.17 million), China Telecom-backed ECloud (3.42 million), VDisk (2.4 million), 115 (2.05 million), KuaiPan (1.05 million), China Mobile-backed MCloud (720K) and Xunlei Cloud (240K).

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Emma Lee

Emma Lee is Shanghai-based tech writer, covering startups and tech happenings in China and Asia in general. We are looking for stories related to tech and China. Reach her at lixin@technode.com.