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Toumei

Disclosed Oct 27, 20232 years ago76,682 accountsUnverified

In October 2023, the Japanese consultancy firm Toumei suffered a data breach . The breach exposed over 100M lines and 10GB of data including 77k unique email addresses along with names, phone numbers and physical addresses.

What is known

People affected76,682 (accounts in the leaked data, per Have I Been Pwned)
DisclosedOct 27, 2023
HappenedOct 18, 2023
AttackNot stated
Data exposedEmails, Names, Phone numbers, Addresses
SectorTech
StatusUnverified: not yet confirmed by an official notice, a filing or the organization
Check your emailHave I Been Pwned

Sources

Source
Have I Been Pwned: Toumeihaveibeenpwned.com · Aggregator

Notices filed

WhereFiledPeople
Have I Been Pwnedaccounts in the dataOct 27, 202376,682
History of this record
  • 2026-09-25 · added · backfill source

First seen 2026-09-25 (Have I Been Pwned). Record counts are as reported. Not legal advice.

Everything about Toumei

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