Atmeltomo
What Happened
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.
Compromised Data
Recommended Actions
Change Your Password
If you haven't changed your password on this service since the breach, do so immediately.
Enable Two-Factor Authentication
If 2FA is supported, add an extra layer of security to your account.
Check Other Accounts
If you used the same password elsewhere, change those too.
Monitor for Suspicious Activity
Watch for unusual login attempts, spam and phishing emails.
Breach Overview
-
Affected Accounts:
580.2 thousand
-
Breach Occurred:
April 2021
-
Added to HIBP:
22 Aug 2023
Recommended Actions
Change Your Password
If you haven't changed your Atmeltomo password since 2021, do so immediately.
Enable Two-Factor Authentication
Add an extra layer of security to your account.
Check Other Accounts
If you used the same password elsewhere, change those too.
Monitor for Suspicious Activity
Watch for unusual login attempts or messages from your account.
