The findings were announced a day after a group purporting to be a
The Japanese publisher said it is still investigating the veracity of the group's claims.
According to Kadokawa, the leaked data also included client-related information such as contract agreements and personal details of some online content creators who use a support service provided by niconico operator
Police are investigating the case. Kadokawa also stated that a third-party organization is examining the data breach, and the findings are expected to be released in July.
According to Kadokawa, on
Kadokawa apologized to the affected parties and said, "We will take preventive measures by reinforcing our information security system while strictly dealing with criminal acts, including ransomware attacks."
Credit card information of its group's customers, including niconico service users, has not been breached, according to Kadokawa.
==Kyodo
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