Japanese e-commerce giant Askul Corporation has confirmed that RansomHouse hackers stole around 740,000 customer records in the ransomware attack it suffered in October.
Askul is a large business-to-business and business-to-consumer office supplies and logistics e-commerce company owned by Yahoo! Japan Corporation.
The ransomware incident in October caused an IT system failure, forcing the company to suspend shipments to customers, including the retail giant Muji.
The investigations into the incident’s scope and impact have now been concluded, and Askul says that the following types of data has been compromised:
Business customer service data: approx. 590,000 records
Individual customer service data: approx. 132,000 records
Business partners (outsourcers, agents, suppliers): approx. 15,000 records
Executives and employees (including group companies): approx. 2,700 records
Askul noted that exact details have been withheld to prevent exploitation of the compromised information, and that affected customers and partners will be notified individually.
Also, the company has informed the country’s Personal Information Protection Commission about the data exposure and established long-term monitoring to prevent misuse of the stolen information.
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