Ransomware group Deadlock hits FIRESTA
FIRESTA — a not found target operating in CZ has been listed by the Deadlock ransomware group on 2026-07-10. The information below reflects what the threat actor has publicly claimed on their leak site; the details have not been independently verified.
Incident Report
| Target Organization | FIRESTA |
|---|---|
| Threat Group | Deadlock |
| Summary | Firesta-Fišer, a.s. is a Czech construction company based in Brno, established in 1990, specializing in transport infrastructure, including bridge, road, and railway construction. With over 600 employees, the company also operates in Slovakia, Poland, and Romania. |
| Date of Breach | 2026-07-10 |
| Discovery Date | 2026-07-10 |
| Region | CZ |
| Target Domain | www.firesta.cz |
| Business Sector | Not Found |
| Severity | MEDIUM |
Claim by Deadlock
Firesta-Fišer, a.s. is a Czech construction company based in Brno, established in 1990, specializing in transport infrastructure, including bridge, road, and railway construction. With over 600 employees, the company also operates in Slovakia, Poland, and Romania.
Posted by the Deadlock threat actor on its public leak site. This is the group's own statement and has not been independently verified by HackerFeeds.
Sources
Victim website
www.firesta.cz
Leak post (onion / Tor)
http://deadblogdbdu5wprek7wa2o4ce7rnt6u6ntqeud3hzjjcveosgpsqqqd.onion/s3.php?d=d2FzYWJpOmZpcmVzdGEuY3p8ZXUtY2VudHJhbC0xfFQ5VlNGVUFINlRSTFZYSUIzQ0ZafDlBTWp2SVdCb3lCNnk0Rk5ydFc0SENUaVJvWXo5d09LQ25YZ0JtTlo%3D
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Disclaimer
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