23,361
Records Exposed
Aug 2018
Date of Breach
Database,Combolist
Breach Type
Jan 2026
Added to Database
About This Breach
In August 2018, a dataset was leaked via a prominent hacking forum. Postech Physics, a Korean education and research website focused on physics-related topics, suffered a data breach that affected 23,361 users. The compromised data included email addresses and plaintext passwords.
Compromised Data Types
Country
South Korea
Language
Korean
Password Storage
Plaintext
Category
Education, Information
Indexed On
Jan 19, 2026
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 Postech Physics 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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