Mainichi.Jp Disaster Information Services Suspended in Japan Due to Data Breach Concerns
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- •Disaster information services suspended in 110 local governments due to data breach fears.
- •Arcadia Inc. detected unauthorized access to its SpeeCAN RAIDEN system, affecting millions.
- •Investigations revealed potential leaks of email addresses and police officer details.
Japan's Ministry of Internal Affairs and Communications announced the suspension of disaster information services in multiple regions due to fears of a personal data breach. Reports indicate that 110 local governments have halted services provided by Arcadia Inc., which may have experienced unauthorized access to its system, SpeeCAN RAIDEN. The company detected suspicious activity on October 11, 2026, and suspects that up to 3.14 million resident email addresses may have been compromised. Additionally, around 16,000 email addresses related to crime prevention information and approximately 5,700 police officers' details may also have been leaked. The timeline for recovery remains uncertain as investigations continue into the extent of the breach.
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