Toumei
Data Breach
www.toumei.co.jp78,166
Records Exposed
Oct 2023
Date of Breach
Database
Breach Type
Oct 2026
Added to Database
About This Breach
In 2023, Toumei (toumei.co.jp), a Japanese billing and office-services provider, suffered a data breach exposing approximately 88 thousand records. The compromised data contained email addresses and account login identifiers. The records were distributed via Telegram, having originally been shared on a cybercrime forum.
Compromised Data Types
Country
Japan
Language
Japanese
Category
Business
Indexed On
Oct 7, 2026
Breach Type
Database
What Should You Do?
Get Full Breach Details with LeakedSource Pro
Sign up for a LeakedSource Pro account to see exactly what data was exposed in this breach and get real-time notifications when your information appears in new breaches.
Sign Up for Pro- Watch for phishing emails targeting your inbox. Attackers may use your exposed email address to send convincing scam messages.
- Enable two-factor authentication (2FA) on all important accounts to add an extra layer of security.
- Use a password manager to generate and store unique, strong passwords for every account.
Were You Affected by This Breach?
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