Network Japan Says Attackers Deleted Moving-Service Customer Database and Demanded Cryptocurrency
Summary
Network Japan says attackers accessed and deleted its customer database, then demanded cryptocurrency. The company has not confirmed data leaks but cannot rule them out; affected records may include customers’ contact and moving details.
Key points
- Network Japan said unauthorized access to its customer management system occurred around 2:38 a.m. on July 2, 2026; it noticed a system outage around 7:30 a.m.
- The attackers deleted the database and left a document demanding cryptocurrency in exchange for restoration.
- The attackers claimed they would publish acquired information, but the company has not confirmed any leak or misuse and says it cannot rule out data removal.
- Potentially affected records concern customers who requested moving estimates, placed orders, or made inquiries; the affected data-loss period was March 26, 2025, to May 14, 2026.
- Potentially exposed information includes names, addresses, phone numbers, email addresses, moving dates, and household-goods lists. The company says it did not hold customer credit-card information.
- The company says it blocked the access route, disabled external database connections, changed administrator passwords, restored systems, preserved data, and is investigating with outside specialists.
- The company reported the incident to Japan’s Personal Information Protection Commission and consulted police on July 8, 2026. It advises customers to beware of suspicious calls, emails, or texts claiming to be from the company.
Article Details
- Victim Organization
- 株式会社ネットワークジャパン (ネットワーク引越センター)
- Incident Type
- Unauthorized access to a customer-management database, followed by database deletion and an extortion demand for cryptocurrency in exchange for recovery.
- Incident Date
- 2026-07-02
- Disclosure Date
- 2026-07-09
- Data Types Exposed
- Names
- Addresses
- Telephone numbers
- Email addresses
- Planned moving dates and moving dates
- Household goods lists
- Other information required for estimates and moving services
- Affected Records
- Not disclosed
- Affected Data Size
- Not disclosed
- Operational Impact
- The customer-management database was deleted, causing a system outage. The company began investigation and recovery; the source does not report the duration or extent of service disruption. Customer information for the period 2025-03-26 to 2026-05-14 was reported lost. The company says it has not confirmed actual disclosure or misuse, but cannot rule out data exfiltration.
- Ransom Or Extortion
- A document demanding cryptocurrency in exchange for recovery was found after the database was deleted. The attacker claimed to have obtained information and threatened to publish it; actual disclosure was not confirmed.
- Claim Status
- confirmed