World: Subsidiary breach may expose 1.2 million member records
World said unauthorized access to a business server at subsidiary Tin Pan Alley may have exposed member information. About 1.2 million cumulative records may be affected, including names and contact details; no payment or facial data leak has been confirmed.

Key facts
- Affected records
- About 1.2 million cumulative member records
- Data involved
- Names, addresses, phone numbers, dates of birth, gender and email
- Payment and facial data
- No leak confirmed
- Earnings impact
- Under review
Breach timeline and containment
Unauthorized access to Tin Pan Alley's business server occurred on Oct. 17 and was detected on Oct. 28. World isolated the server that day and blocked the access route.
- Around 2:51 p.m. on Oct. 17: An intruder accessed the server from outside and carried out operations to extract data.
- Around 12:08 p.m. on Oct. 28: The unauthorized activity was detected and the server isolated. The access route was blocked by 9:36 p.m.
- After blocking access: World suspended some related internal business systems and confirmed that the blocked route could no longer be used to access them.
World took steps to prevent the damage from spreading, but it is still investigating the potential scope of the leak and identifying affected members. The figure represents cumulative records, not the number of individual members.
Information that may have been exposed
The investigation found that some member information may have been disclosed externally. World is continuing to determine which members and how many records are involved.
- Information identified: Members' names, addresses, phone numbers, dates of birth, gender and email addresses.
- Not confirmed at this time: The leak of credit card and other payment information, or facial data.
The possibility of a member data leak puts identifying affected people and notifying them individually in focus. Although no payment information has been confirmed as leaked, the scope could change as the investigation progresses, making further updates from World important.
Investigation and business impact
World has asked outside security experts to investigate and will take steps to prevent a recurrence based on their findings and advice. The impact on earnings is under review.
- Contact with authorities: World consulted police and reported the incident to the Personal Information Protection Commission on Oct. 29.
- Member notifications: World plans to apologize and issue warnings on its website and by individual email. It will provide details once preparations are complete.
- Business impact: World said it will promptly disclose any matters that need to be reported.
If some business systems remain suspended, the effect on internal operations will also need to be assessed. World has not provided an estimate of the financial impact or a timeline for restoring the systems, leaving the investigation's findings and further company announcements as key factors.
Share price around the disclosure
Close on disclosure (Oct 30, 2026)
¥1,422
Latest close (Oct 30, 2026)
¥1,422
Reference chart of daily closing prices, not real-time quotes (split-adjusted; weekly closes before the last year). Updated Oct 30, 2026.
Compare World with its rivals
Pay, results and share price side by sideThe Apparel & Fashion industry now
9 companiesWorld is one of 9 Apparel & Fashion companies we cover, #3 by revenue. Here is how the industry’s shares and company plans look:
- Industry shares, 1 year
- −4.4%All industries +14.9%
- Op. profit plan, this FY
- +10.3%All industries +13.0%
- Industry op. margin
- 6.8%
- World+5.0%
- Apparel & Fashion (average)−4.4%
- All industries+14.9%
- Latest resultsYear to date through Q2, 6 companies combined: revenue +5.9%, operating profit +8.0% year over year. 2 are ahead of an even pace toward their full-year plan, 2 behind.
- GuidanceCompany plans for FY2027 (8 companies combined): revenue +5.4%, operating profit +10.3%. Planned profit growth is below the all-industry plan (+13.0%).




Tags#World#3612#Tin Pan Alley#Unauthorized Access#Personal Data Leak#Cybersecurity
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The key point is that World is still determining which members are affected and the final number of records, among a cumulative total of about 1.2 million. No leak of payment or facial data has been confirmed, but the information potentially involved includes contact details and dates of birth. Confirming the scope and notifying members, alongside assessing the impact of suspended business systems and detailing measures to prevent a recurrence, will shape the next assessment. The impact on earnings remains unknown, and further updates from World will be important.
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