Key facts
- Daiwa Securities Group reported a potential data leak affecting approximately 110,000 customers.
- The leak may have originated from a server operated by contractor Scala Communications Inc.
- Compromised data includes names, email addresses, and account numbers.
- Daiwa Securities has not confirmed any disclosure or spread of the leaked information online.
- The company stated the data would not be sufficient for online transactions.
Daiwa Securities Group announced on October 5, 2026, that personal information on approximately 110,000 customers of its securities brokerage unit may have been compromised. The company indicated that the breach likely resulted from unauthorized access to a server managed by Scala Communications Inc., a contractor that provides services for managing online customer inquiries.