B站：张某敏存在严重职务犯罪行为，已被逮捕

Group 1 - Bilibili reported internal anti-corruption progress, announcing the arrest of former game cooperation department general manager Zhang Moumin for serious job-related crimes [1] - Bilibili emphasized the importance of compliance with national laws and encouraged employees and partners to report misconduct, ensuring confidentiality for whistleblowers [1] - Zhang Moumin had a significant role in Bilibili's game business, which had previously experienced sluggish growth but saw a 76% year-on-year increase in revenue to 1.73 billion yuan in Q1 of this year [1] Group 2 - Recent trends show increased internal anti-corruption efforts within internet companies, including ByteDance and Perfect World [2] - ByteDance's internal report revealed a case of undisclosed personal relationships between a former employee and HRBP, leading to their dismissal and forfeiture of year-end bonuses [2] - Perfect World announced multiple violations of company policies and labor contracts, involving several employees and suppliers, and has reported the matter to law enforcement [3] Group 3 - Perfect World's corruption issues involved studio heads, planning department heads, HR managers, and art department staff, with many being criminally detained [3] - NetEase also addressed corruption cases involving high-level executives, confirming the investigation of multiple individuals and the inclusion of 27 companies in a blacklist for future cooperation [3]