One of the largest data breaches in history may have recently been committed by a hacker going by the moniker of “ChinaDan,” which, if true, would be quite embarrassing for the Chinese government. The personal information of a billion Chinese residents is being offered for sale by an anonymous hacker on Breach Forums for 10 bitcoins, which is now equivalent to almost $200,000. ChinaDan claims to have obtained 23TB in total from the Shanghai National Police (SHGA) database, which contains information on one billion Chinese residents, including name, residence, date of birth, national ID number, cellphone number, and all case…