ライドオンエクスプレス（『銀のさら・釜寅・すし上等』公式サイト・公式アプリ）Data breach / unauthorized access incident
- Occurred on
- October 5, 2026
- Announced on
- October 13, 2026
- Severity
- SSLarge-scale compromise of sensitive data such as payment or identity-verification records affecting millions.
- Scale
- 6,500,000 records
- Main impact
- The server storing registration information for the official website and official app was subject to unauthorized access, possibly resulting in leakage of up to approximately 6.5 million records. Leaked items may include names, addresses, phone numbers, email addresses, dates of birth, password hash values, etc., and part of the service (orders from the official website/app) was suspended while customer notifications and investigation/reporting are underway.
- Information involved
- Email addressUser / member IDPasswordPhone numberHome addressFull nameDate of birth
- Cause / key point
- The company has disclosed that the incident was caused by unauthorized access by a third party to an external server (the company also reports it was subjected to a ransomware attack).About Ransomware
- Industry
- Food & dining
- Last updated
- October 21, 2026
Is this incident worth paying attention to?
Written & reviewed
Reviewed byYutaro SasaoFounder & CEO, MediaLeap Inc.
CEO of MediaLeap Inc. Working on both sides of web advertising and web media since 2013; founded the company in May 2025.
Review scope: cross-checking against primary sources (official and government announcements), verifying claims stay within the facts, and checking source attribution。Last reviewed:
Written by:Leak Watch editorial team (AI-assisted drafts verified against sources by the editorial team) · Reviewer profile · Request a correction
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Attack method classification: Ransomware(Encrypting data and demanding a ransom)
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