All Breaches
October 18, 2023 Verified Business Services

Toumei Data Breach

The Toumei data breach is an incident dated October 2023 associated with the Japan-based consulting and business services firm Toumei. The record contains 76,682 unique email addresses.

76.7 Thousand
Reported Records
4
Data Types
Medium
Severity
Yes
Verification

Exposed Data Types

4
Email addresses
Names
Phone numbers
Physical addresses

Additional Information

Added DateOctober 27, 2023
Breach DateOctober 18, 2023
Domaintoumei.co.jp
SourceThird-party breach
Last Content UpdateJuly 18, 2026

Verification and editorial method

LeakData compares the incident name, date, affected-record count, and exposed data types with accessible sources. Unverified fields are not presented as facts, and records are updated when new evidence becomes available.

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Company Information

Company NameToumei
SectorBusiness Services
CountryJapan
Websitetoumei.co.jp

Risk Level

Medium

The reported impact exceeds 10 thousand and falls within the medium severity band.

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