Breachesby GlyphAtmeltomo
Disclosed Aug 22, 2023580,177 accountsUnverified
In April 2021, "Japan's largest e-mail friend search site" Atmeltomo suffered a data breach that was later sold on a popular hacking forum . The breach exposed 1.3M records with 580k unique email addresses along with usernames, IP addresses and unsalted MD5 password hashes.
What is known
| People affected | 580,177 (accounts in the leaked data, per Have I Been Pwned) |
|---|---|
| Disclosed | Aug 22, 2023 |
| Happened | Apr 16, 2021 |
| Attack | Hacking |
| Data exposed | EmailsIP addressesPasswords |
| Sector | Tech |
| Status | Unverified: not yet confirmed by an official notice, a filing or the organization |
| Check your email | Have I Been Pwned |
Sources
Notices filed
History of this record
First recordedby backfillSource
First seen 2026-09-25 (Have I Been Pwned). Record counts are as reported. Not legal advice.