PcOnline.com.cn

PcOnline is one of the largest IT information portals in China. The data breach involved the exposure of a massive database containing user credentials. The incident was part of a larger series of leaks where historical data from major Chinese web services was compromised and distributed on underground forums. The leaked information primarily includes account details recorded during the platform peak activity periods. Security researchers identified that the records were often stored in formats susceptible to credential stuffing attacks.