Rohto Pharmaceutical mail-order phone and customer systems data breach
Add to my breach checkMade public
What leaked6
Replaceable
- Card number
- Card expiry date
Hard to replace
- Mobile number
- Home or delivery address
- Other profile data
Permanent
- Full name
- Card numbercard number spoken in mail-order calls, 9,715 customers; no security codes
- Card expiry date9,715 customers
- Mobile numberphone number · type not stated
- Other profile datarecordings of mail-order calls · questions and orders, September 2025 to September 2026
To-dos4 · about 45 min in all
- Have the card reissued with a new numberStops: card fraud online
- Know the scam pattern: calls and texts that cite these leaked detailsLimits harm from: scam calls, phishing messages
- Turn on instant transaction alertsHelps you notice: scam calls, card fraud online
- Remove your address and phone from public profiles and tighten SNS privacyLimits harm from: visits or contact at home
- Company
- Rohto Pharmaceutical
- Company detected it
- Made public
- Notice
- Leak confirmed
- Affected
- 2,797,545 people in several customer management systems; separately, call recordings of 9,715 customers held card numbers · company notice of November 6, 2026
Outcome
Rohto reported the incident to the police on September 14, 2026 and to Japan's Personal Information Protection Commission on September 15, 2026. No decision.
Sources
- ロート製薬 company notice (opens in a new tab)checked November 12, 2026
- Security NEXT press (opens in a new tab)checked November 12, 2026