Group 1 - The core issue involves a criminal network that illegally sold personal information of university students under the guise of high-paying part-time jobs [1][2] - The operation began in August 2022 when Zhang Qiang established a company focused on labor recruitment, which later evolved into a scheme involving the sale of personal data [2] - By June 2023, the network had recruited hundreds of students, collecting sensitive personal information such as names, ID numbers, and bank details, which were then sold for profit [1][2] Group 2 - The defendants, including Zhang Qiang and Liu Zhuang, were found guilty of violating national regulations by selling personal information, leading to their conviction for the crime of infringing on citizens' personal information [2] - The operation involved the creation of 594 Taobao accounts, which were sold to a third party, resulting in significant financial gains for the perpetrators [2] - The case highlights the importance of vigilance when providing personal information for job opportunities, emphasizing the need for individuals to read documents carefully and report any misuse of their data [2]