Usher
Data Breach
www.usher.co.kr25,257
Records Exposed
Aug 2018
Date of Breach
Database,Combolist
Breach Type
Nov 2025
Added to Database
About This Breach
In August 2018, Usher, a now defunct South Korean educational platform, suffered a data breach affecting around 25,000 unique records. The exposed data included email addresses and hashed passwords. The compromised information was later posted on a prominent hacking forum.
Compromised Data Types
Country
South Korea
Language
Korean
Password Storage
Other
Category
Education
Indexed On
Nov 6, 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 Usher 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?
Enter your email below to instantly check if your data was compromised in the Usher breach and 12,000+ other known breaches.
