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Breach occurred 2023-10-18Verifiedtoumei.co.jp
What happened
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.
Data exposed
Frequently asked questions
The Toumei data breach occurred on October 18, 2023. It was added to Have I Been Pwned's breach catalog on October 27, 2023.
76,682 accounts were affected by the Toumei data breach, according to Have I Been Pwned's records.
The Toumei breach exposed the following data types: Email addresses, Names, Phone numbers, Physical addresses.
Yes. Have I Been Pwned has verified the Toumei breach, meaning there's confirmed evidence the exposed data is genuine and tied to real accounts.
Use KazaSec's free Email Breach Checker (/tools/breach-check) to check whether a specific email address has surfaced in the Toumei breach, or any other known breach — the tool never stores what you search.
Our free Email Breach Checker tells you whether a specific email address has surfaced in this breach — or any other known breach — without ever storing what you search.
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