Duplicate Login Details Enabled Hack of More Than 20 Million Chinese Consumers (thestack.com)

An anonymous reader writes: According to various Chinese sources including Techweb (Chinese language), police in Zhejiang held a conference on Monday announcing that 20.59 million users of the 'Chinese eBay', taobao.com, had their login details stolen by proxy, when hackers ran user/pass combos from a stolen database of 99 million other users and found that more than 20% were using the same login credentials across different ecommerce sites.