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Japanese firms offer compensation after major cyberattacks expose customer data

Two major Japanese companies have announced compensation packages for customers affected by recent cyberattacks that compromised personal information. GMO Internet Group and Park24 are providing monetary relief as part of their response to the security breaches.

LSN Malaysia · 26 October 2026

Japanese firms offer compensation after major cyberattacks expose customer data

GMO Internet Group, one of Japan's leading internet service providers, has unveiled a comprehensive compensation scheme following a significant cyberattack on its systems. The company will provide all affected customers with ¥5,000 in compensation, while also covering losses directly resulting from the security incident. The measure aims to restore customer confidence following the breach that exposed sensitive personal data.

Parallel to GMO's response, parking services operator Park24 announced it would compensate its customers with ¥3,000 each following a separate personal data breach. The company discovered that customer information, including personal identifiers and payment details, had been compromised during the cyberattack.

The incidents highlight growing concerns about cybersecurity vulnerabilities among major Japanese corporations. Both companies have pledged to strengthen their security infrastructure and implement additional safeguards to prevent future breaches.

The compensation announcements reflect a broader trend of Japanese firms taking direct responsibility for security failures and their impact on customers. Industry observers note that such proactive measures may help mitigate reputational damage and regulatory scrutiny following the breaches. Both companies have advised customers to monitor their accounts for suspicious activity and have made additional support resources available.