HMP
Data Breach
www.hmp.jp48,686
Records Exposed
Aug 2018
Date of Breach
Database,Combolist
Breach Type
Aug 2025
Added to Database
About This Breach
In August 2018, HMP, a Japanese adult video site, suffered a data breach affecting around 107,000 records. The exposed data includes nearly 49,000 unique email addresses and passwords stored in plain text. Adopting modern password hashing techniques and enforcing robust cybersecurity measures is essential to protect user data and uphold platform reliability.
Compromised Data Types
Country
Japan
Language
Japanese
Password Storage
Plaintext
Category
Pornography
Indexed On
Aug 16, 2025
Breach Type
Database,Combolist
What Should You Do?
Get Full Breach Details with LeakedSource Pro
Sign up for a LeakedSource Pro account to see exactly what data was exposed in this breach and get real-time notifications when your information appears in new breaches.
Sign Up for Pro- Change your password immediately on HMP and any other site where you used the same password. Use a unique, strong password for each account.
- Watch for phishing emails targeting your inbox. Attackers may use your exposed email address to send convincing scam messages.
- Enable two-factor authentication (2FA) on all important accounts to add an extra layer of security.
- Use a password manager to generate and store unique, strong passwords for every account.
Were You Affected by This Breach?
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