Hokusen Co.

Hokusen Co., also known by its alias, is a company headquartered in Japan. Publicly available sources describe it as an entity that maintains customer information, though specific details about its core products or services are not disclosed in the material provided. The organization operates within the Japanese market, as indicated by its headquarters location. No further details about its size, revenue, or workforce are available from the given sources. Consequently, the profile focuses on the information that is confirmed regarding its data handling practices.

On January 20, 2022, Hokusen Co. experienced a data breach that involved unauthorized third‑party access to its systems. The breach potentially compromised personal information of up to 44,559 customers. The exposed data included email addresses, passwords, names, residential addresses, dates of birth, gender, phone numbers, and account details. Investigations determined that the incident originated from SQL injection attacks targeting the company’s web applications. This attack vector allowed the intruder to extract or manipulate stored customer records.

Upon discovering the breach, Hokusen Co. reported the incident to the relevant Japanese authorities as required by data protection regulations. The company engaged a third‑party cybersecurity firm to conduct a thorough investigation of the breach. In response to the findings, Hokusen Co. strengthened its security measures and enhanced monitoring systems to detect similar threats. Immediate countermeasures were deployed to mitigate the specific SQL injection vulnerability that had been exploited. These actions were intended to prevent recurrence and to restore confidence in the protection of customer data.