All Breaches
June 2, 2013 Verified Technology

Yam Data Breach

The Yam data breach is a verified incident dated 2 June 2013 involving 13,258,797 unique email addresses.

13.3 Million
Reported Records
7
Data Types
Critical
Severity
Yes
Verification

Exposed Data Types

7
Dates of birth
Email addresses
Names
Passwords
Phone numbers
Physical addresses
Usernames

Additional Information

Added DateMay 22, 2021
Breach DateJune 2, 2013
Domainyam.com
SourceDatabase leak
Last Content UpdateJuly 20, 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 NameYam
SectorTechnology
CountryTaiwan
Websiteyam.com

Risk Level

Critical

The reported impact exceeds 1 million and falls within the critical severity band.

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