Bandai Namco Filmworks: unauthorized access to "Bandai Channel" may have leaked up to 1.366 million member records, and all services were suspended until December 19

1. 2025-11-04

   Unauthorized access caused a fault in which some members were withdrawn unintentionally. Member personal data was at risk of leaking. [5]

2. 2025-11-06

   It announced the fault. From 23:30 it suspended all services as an emergency measure and began an investigation by an external specialist. [2] [5]

3. 2025-11-19

   It announced a risk that member data had leaked. It said it had also confirmed that the damage was not caused by ransomware. [1] [3]

4. 2025-12-19

   It resumed the service and published the results of its investigation into the possible information leak. [4] [5]

The investigation found that up to 1.366 million member records may have leaked. All services were down from November 6 until the restart on December 19. [4] [5]