Sellwerk

Sellwerk

Data Breach on August 18, 2023
Data Breach Report
Victimsellwerk.de
Claimed ByBlackBasta
Date DiscoveredAug 18, 2023
DescriptionSellwerk GmbH & Co. KG. is a marketing and advertising firm.
Leak SizeUnknown

Credential Exposure for sellwerk.de

We've indexed 42 @sellwerk.de accounts from external breaches, plus 101 credentials for sellwerk.de itself.

Last checked Oct 4, 2026

@sellwerk.de addresses from external breaches
Third-party breaches35 accounts · across 8 breaches · 31 with a plaintext password · most recent May 22, 2024
Combo lists12 accounts · most recent May 19, 2026
Passwords for sellwerk.de accounts
Combo lists73 logins · most recent Oct 2, 2026
Infostealer logs32 logins · 26 infected devices · most recent Oct 3, 2026

Logins may belong to customers or to staff, and the data doesn't say which. None of this is necessarily connected to the ransomware attack above.

Is your organization next?

Sellwerk was breached. Check if your company's credentials have been exposed in this or other data breaches.

Check your exposure →

Continuous dark web monitoring alerts you when we find leaked credentials or session tokens for your company.