Tokyo Chemical Industry: its US subsidiary was accessed without authorization, and business-partner data held by the group, including in Japan, may have leaked

1. 2022-06-23

   It confirmed unauthorized access to the systems of its US subsidiary, using advanced methods that evaded monitoring and detection. [1] [2]

2. 2022-06-27

   It found that part of the corporate and personal information held by the group, including in Japan, may have leaked. [1]

3. 2022-07-06

   It notified the Personal Information Protection Commission, and the police station on July 8. [1]

4. 2022-07-11

   It removed the malware, confirmed safety and fully restarted its internal systems. [1]

5. 2022-11-01

   It announced the case together with Tokyo Kasei Hanbai and TCI Chemical Trading. [1] [2]

The data that may have leaked covers about 1,200 business partners and about 7,000 people: company name, company address, contact person name, email address, phone number and similar. No leak had been confirmed at the time of the announcement. It monitors, on the advice of outside experts, whether the data is published. [1]