Hacker and Cracker

• A hacker is a person intensely interested in the arcane and recondite workings of any computer operating system. Hackers are most often programmers. As such, hackers obtain advanced knowledge of operating systems and programming languages. They might discover holes within systems and the reasons for such holes. Hackers constantly seek further knowledge, freely share what they have discovered, and never intentionally damage data.
• A cracker is one who breaks into or otherwise violates the system integrity of remote machines with malicious intent. Having gained unauthorized access, crackers destroy vital data, deny legitimate users service, or cause problems for their targets. Crackers can easily be identified because their actions are malicious

Legend of Chen~Zhen

Chen Zhen (died 235), style name Xiaoqi (孝起), was a minister serving under the warlord Liu Bei during the late Han Dynasty period of Chinese history. Chen originally served Yuan Shao. At one time when Liu Bei was taking refuge under Yuan Shao, Chen was the one tasked to deliver Liu's letter to Guan Yu. When Liu became governor of Jing Province, Chen was called to serve once again under Liu