BOOKOFF GROUP HOLDINGS LIMITED and East Japan Railway Company disclosed a data breach involving approximately 6 million customer records. The incident has been reported as the latest data breach.
BOOKOFF GROUP HOLDINGS LIMITED and East Japan Railway Company announced that they had disclosed a customer data breach. They said the number of records that may have been leaked amounted to approximately 6 million.
The announcement reported that both companies had acknowledged the leakage of data containing personal information. Details of how the leakage occurred and the scope of its impact are discussed in the main text.
The companies are currently investigating the facts, and further information is expected to be disclosed.