A group of unknown hackers stole the data of more than a billion Chinese citizens by hacking into the Shanghai police database. According to cybersecurity experts, this could be the biggest data breach in Chinese history. Cyber ??attacks are causing more and more damage, and hackers are using more and more sophisticated methods. New proof of rising cybercrime: China just broke a data breach record. The hackers behind the attack are offering over 23 terabytes of stolen data on more than a billion citizens. Among other things, they sell names, addresses, dates of birth, passport and phone numbers. Information about…