Atmeltomo
atmeltomo.com
About This Breach
Popular Japanese e-mail friend search site Atmeltomo suffered a data breach. The breach resulted in the exposure of 1.3 million records, including 580,000 unique email addresses. The compromised data also included usernames, IP addresses, and passwords stored as unsalted MD5 hashes.
Data Exposed
Breach Details
| Breach Type | Data Breach |
| Searchable | Yes |
| Verified | Yes |
| Sensitive Data | No |
| Reference | No reference available |
Frequently Asked Questions
When did the Atmeltomo data breach happen?
Atmeltomo was breached in Apr 2021. The breach was added to the XposedOrNot index on November 8, 2023.
How many records were exposed in the Atmeltomo breach?
580,340 records were exposed, making it the #504 largest of the 794 breaches in our index.
What data was exposed in the Atmeltomo breach?
The exposed data includes: Email addresses, Passwords, Usernames, IP addresses.
What should I do if I was affected by the Atmeltomo breach?
Change your password on Atmeltomo and anywhere you reused it, and make the new one long and unique. Turn on two-factor authentication, and set up free breach alerts on XposedOrNot so you know the moment your email appears in a new breach.
More Electronics Breaches
What Should You Do?
Change Your Passwords
Passwords were stored with weak protection and are likely cracked. Change it now on Atmeltomo and anywhere you reused it. Make the new one long and unique.
Enable Two-Factor Authentication
Add 2FA on all supported accounts using an authenticator app like Google Authenticator or Authy.
Review Device Security
Update your devices and browsers, and check for unauthorized logins.
Monitor Your Accounts
Set up login alerts and review account activity regularly for suspicious access.
Use a Password Manager
Never reuse passwords: use a password manager to generate unique ones for each account.