Seznam (seznam.cz) in the Czech Republic was impacted by the medusalocker ransomware operation, with 115 emails reportedly extracted. The attack targeted the organization’s systems and resulted in unauthorized data access. #CzechRepublic
Incident Details
- Victim: Seznam
- Sector: Technology
- Country: CZ
- Actor: medusalocker
- Source: http://t33zoj4qwv455fog7qnb2azi5xcdxkixughmmduzbw2rtdgryqfbh6id.onion/company/baraxaj/
- Discovered: 2026-09-23T07:40:37.231015+00:00
- Published: 2026-09-23T07:40:24.343921+00:00
Information
- Seznam, a Czech organization, was targeted by the MedusaLocker ransomware group.
- 115 email addresses were extracted.
- Domain: seznam.cz.

Disclaimer: This post is based on public claims made by the ransomware group "medusalocker". I cannot confirm the accuracy of the information. However, I would be happy to share any official statement from the affected organization to provide clarification.