Contact us Buy Me a Coffee

Sponsored by Hudson Rock Use Hudson Rock's free cybercrime intelligence tools to learn how Infostealer infections are leading to ransomware attacks


Discovered 2026-07-10 13:00 UTC
Est. attack date 2026-07-10
Country CZ

Description:

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.

Infostealer activity detected by HudsonRock

Compromised Employees: 0

Compromised Users: 1

Third Party Employee Credentials: 1


External Attack Surface: 2


DNS Records:

The following DNS records were found for the victim's domain.

WHOIS Emails
  • No emails found.
MX Records
  • mail.gateguard.cz.
TXT Records
  • v=spf1 mx a:mail.firesta.cz include:_spf.gateguard.cz -all
  • MS=ms90891510
Cloud / SaaS Services Detected
Microsoft 365

Leak Screenshot:

Leak Screenshot