White Essence booking site and core system data breach
Add to my breach checkMade public · 1,050,000 accounts
What leaked10
Replaceable
- Password
Hard to replace
- Mobile number
- Home or delivery address
- Email address
- Employer
- Other profile data
- Username
Permanent
- Date of birth
- Full name
- Gender
- Passwordthe notice says the passwords were encrypted; the method is not stated
- Mobile numberphone number · type not stated
- Employerworkplace
- Full nameitems differ from person to person
- Other profile datadata on service use and how the company handled it, and the company's management numbers; customers with other items leaked are being contacted individually
- Usernamelogin ID
To-dos6 · about 1 h 30 min in all
- Change the leaked password everywhere you reused itStops: account takeover
- Know the scam pattern: calls and texts that cite these leaked detailsLimits harm from: scam calls, phishing messages
- Use an authenticator app or passkey instead of SMS codesLimits harm from: account takeover, SMS code theft
- Turn on instant transaction alertsHelps you notice: scam calls
- Turn on two-step sign-in for email and bankingLimits harm from: account takeover
- Remove your address and phone from public profiles and tighten SNS privacyLimits harm from: visits or contact at home
What happened next12 events
- UndetectedNone on record
- Response 12 eventsNo individual notice on record · show events
- RemedyNone on record
- PenaltyNone on record
- DisputesNone on record
- No secondary harm from the incident found as of the notice
- Apologised in its notice
- Announced that customer personal data had been taken out: about 1.05 million accounts
- Contacting each customer whose contact details could be confirmed, in turn
- Opened a toll-free phone line for the incident: daily until 23 September, weekdays from 24 September
7 more
- Opened a temporary customer desk for the incident
- Announced the unauthorised access and the suspension; affected data still under investigation
- Suspended its booking site and core system
- Found unauthorised access to its booking site and core system
- Reporting to and consulting the police and other authorities
- Fixed the exploited flaw and added a system that detects and blocks unauthorised traffic
- Reported to the Personal Information Protection Commission
- Company
- White Essence
- Company detected it
- Made public
- Notice
- Leak confirmed
- Affected
- 1,050,000 accounts · approx.; registered as of August 5, 2026; customers plus people connected with member clinics, head-office staff and others; company notice
Sources
- ホワイトエッセンス company notice, (opens in a new tab)checked October 27, 2026
- ホワイトエッセンス company notice, (opens in a new tab)checked October 27, 2026