Japanese Brokerage Hack: ¥100 Billion Lost in Stock Manipulation

Japanese brokerage firms experienced a significant security breach, resulting in the unauthorized manipulation of stock values and losses exceeding ¥100 billion by mid-April 2025. This incident involved phishing campaigns targeting major brokerages like Nomura Holdings Inc., SMBC Nikko Securities Inc., and SBI Holdings Inc., leading to illegal stock trades. While no direct cryptocurrency involvement has been confirmed, the scale of this attack highlights vulnerabilities in brokerage platforms and market confidence.