25,946
Records Exposed
Aug 2018
Date of Breach
Database,Combolist
Breach Type
Jan 2026
Added to Database
About This Breach
In August 2018, 1cool, a German platform providing indoor climate control installation, maintenance, and repair services, sustained a data breach impacting around 28,000 records. The compromised information included nearly 26,000 unique email addresses and plaintext passwords. The data was shared on a prominent cybercrime forum.
Compromised Data Types
Country
Germany
Language
German
Password Storage
Plaintext
Category
General Business
Indexed On
Jan 26, 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 1cool 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 1cool breach and 12,000+ other known breaches.
