21,327
Records Exposed
Apr 2018
Date of Breach
Database,Combolist
Breach Type
Jan 2026
Added to Database
About This Breach
In April 2018, Udkik.dk, a Danish maritime information and boat marketplace website, experienced a data breach involving around 26,000 records. The exposed information included over 21,000 unique email addresses and plaintext passwords. The data was then shared on a prominent cybercrime forum.
Compromised Data Types
Country
Denmark
Language
Danish
Password Storage
Plaintext
Category
eCommerce
Indexed On
Jan 16, 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 Udkik.dk 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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