ShellCodeX Breach Report
Disk Union Data Breach
diskunion.net
Verified breach
Passwords exposed
Accounts exposed
690,667
Breach date
24 Jun 2022
Added to tracker
07 Jun 2025
Data classes
6
What happened
In June 2022, the Japanese record chain store Disk Union suffered a data breach. The incident exposed 690k unique email addresses along with names, post codes, phone numbers and plain text passwords.
Exposed data
Email addresses
Geographic locations
Names
Passwords
Phone numbers
Usernames
Recommended actions
- Change your Disk Union password immediately, and update it anywhere you reused the same password.
- Enable two-factor authentication on the affected account and on your critical services (email, banking).
- Watch for targeted phishing emails referencing Disk Union — attackers weaponise breach data quickly.
- Stay alert for smishing (SMS phishing) and SIM-swap attempts using your phone number.
- Check whether your email address appears in this breach on haveibeenpwned.com.
Am I affected?
Check whether your email address appears in this breach.
Check on HIBP