Disk Union
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.
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
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Affected Accounts:
690.7 thousand
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Breach Occurred:
June 2022
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Added to HIBP:
7 Jun 2025
Recommended Actions
Change Your Password
If you haven't changed your Disk Union password since 2022, 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.
