Science & Tech · Cybersecurity · 3 hrs ago
Kintetsu warns investor names and bond purchase amounts may have leaked
Kintetsu Group Holdings said data on 2,678 bond investors may have leaked after unauthorized access was detected at a contractor used by NTT Data.
The affected investors bought at least 1 million yen of a Kintetsu bond issued in July 2026.
Their names and the amounts they invested may have been exposed.
The service was used to apply for bond benefits.
Kintetsu said securities account numbers and passwords were not held by the service.
The incident raises concerns about personal data held by outside service providers.
The company has not stated what happens next.
Kintetsu Group Holdings said personal information belonging to bond investors may have been leaked.
The possible leak involves 2,678 people and includes their names and bond purchase amounts.
The information concerns investors who bought at least 1 million yen of a bond issued in July 2026.
Unauthorized access was detected at a subcontractor of NTT Data, which provides the service used to apply for bond benefits.
The company said the service did not hold securities account numbers or passwords.
- Who
- Kintetsu Group Holdings and investors who bought its bonds.
- What
- The names and bond purchase amounts of 2,678 investors may have leaked after unauthorized access.
- When
- Kintetsu announced the possible leak on October 31, 2026.
- Where
- At a subcontractor of NTT Data, which provides the service used to apply for bond benefits.
- Why
- Unauthorized access was detected at the subcontractor.
This story does not have two clearly opposing sides.
Kintetsu issued its 135th unsecured bond.
Unauthorized access was detected at a subcontractor of NTT Data.
Kintetsu announced that investor information may have leaked.
- Possible affected records
- 2,678
- Information at risk
- Names and bond purchase amounts
- Bond issue
- 135th unsecured bond, issued in July 2026
- Purchase threshold
- At least 1 million yen
- Information not held
- Securities account numbers and passwords
1 source
What people are saying
Personal information of investors who purchased our bonds may have leaked.