Securities Market Integrity

The 2026 Unauthorized Access and Financial Instruments Fraud Case between Japan and South Korea
  1. The 2026 Unauthorized Access and Financial Instruments Fraud Case between Japan and South Korea
  2. Jurisdiction: Japan (February to April 2026)
  3. Original Case: 不正アクセス行為の禁止等に関する法律違反、金融商品取引法違反事件
  4. Key Figures: Lee Jae-hoon (South Korean hacker), Sato Kenji (former compliance officer at a Tokyo securities firm)
  5. Case Tags: Unauthorized Computer Access;Insider Trading;Cross-Border Cybercrime;Securities Market Integrity