Ransomware Group thegentlemen Hits: Thialf
Summary
In the latest cybersecurity news, Thialf — an organization based in NL — has fallen victim to a ransomware attack conducted by the group thegentlemen. This data breach, discovered on 2026-07-23T15:12:44.531116+00:00, underscores the increasing need for proactive cybersecurity defenses as we continue through 2026.
Incident Report
| Attribute | Information |
|---|---|
| Target Organization | Thialf |
| Threat Group | thegentlemen |
| Summary | ***.nl zoominfo.com/c/thialf/430686423 Thialf is a world-renowned ice arena located in Heerenveen, Netherlands, often referred to as the “Cathedral of Speed Skating.” It serves as the home base for the Dutch national speed skating team and hosts a wide range of ice sports, including long track and short track speed skating, figure skating, and ice hockey. Recently, it was officially confirmed as the long-track speed skating venue for the 2030 Winter Olympics. The facility is celebrated for its modern, sustainable design and its role as a major hub for both elite professional competitions and public recreational skating. |
| Date of Breach | 2026-07-23T08:42:53+00:00 |
| Discovery Date | 2026-07-23T15:12:44.531116+00:00 |
| Region | NL |
| Target Domain | thialf.nl |
| Business Sector | Energy & Utilities |
How to reduce your ransomware risk
Most ransomware intrusions start with a stolen password or a phishing email. A few proactive steps sharply cut your exposure:
- monitor the dark web for leaked logins — close the gap attackers exploit.
- continuous breach monitoring — close the gap attackers exploit.
Want to know if you’re already exposed? Run a free scan with the HookPhish data breach checker.
Disclaimer
HookPhish does not engage in the exfiltration, downloading, taking, hosting, viewing, reposting, or disclosure of any stolen information. All breach data reported here is sourced from publicly available threat intelligence feeds for awareness purposes only.
