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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