Cross-Border Cybercrime
The 2026 Unauthorized Access and Financial Instruments Fraud Case between Japan and South Korea
- Jurisdiction: Japan (February to April 2026)
- 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
- Key Figures: Lee Jae-hoon (South Korean hacker), Sato Kenji (former compliance officer at a Tokyo securities firm)
- Case Tags: Unauthorized Computer Access;Insider Trading;Cross-Border Cybercrime;Securities Market Integrity