Ransomware Group thegentlemen Hits: HSR Specialist Researchers
Summary
In the latest cybersecurity news, HSR Specialist Researchers — a company operating in the GB — has fallen victim to a ransomware attack conducted by the group thegentlemen. This data breach, discovered on 2025-12-24 09:59:43.382923, underscores the increasing need for proactive cybersecurity defenses as we continue through 2026.
Incident Report
| Attribute | Information |
|---|---|
| Target Organization | HSR Specialist Researchers |
| Threat Group | thegentlemen |
| Summary | hsr.specialistresearchers.com.br https://www.zoominfo.com/c/hsr-specialist-researchers/372422527 HSR Specialist Researchers is the largest independent market research company in Brazil, offering specialized research services across various sectors including automotive, education, finance, healthcare, telecom, technology, and retail. They provide innovative solutions for market research needs, such as exploratory studies, product launches, and customer experience analytics. Their robust multi-platform data collection structure supports a wide range of output types, from simple data bases to comprehensive analytical reports. HSR aims to empower businesses by delivering strategic insights to enhance decision-making and market positioning. |
| Date of Breach | 2025-02-19 00:00:00.000000 |
| Discovery Date | 2025-12-24 09:59:43.382923 |
| Region | GB |
| Target Domain | www.zoominfo.com |
Recommended Security Actions
In response to increasing cyber threats, it’s critical to protect your organization with proactive security measures. HookPhish provides enterprise-grade solutions designed to reduce your risk of future attacks:
- Phishing Simulation – Test and improve employee readiness with realistic, controlled phishing campaigns.
- Cybersecurity Awareness Training – Educate your team to recognize and respond to common attack tactics.
- Data Breach Monitoring – Get real-time alerts if your organization’s data appears in public or dark web breaches.
- Phishing Detection and Response – Detect, investigate, and neutralize phishing threats before they cause damage.
Protect your organization before it becomes the next headline. Explore HookPhish.
How HookPhish Helps You Stay Ahead
Don’t wait for a breach to take action — stay informed and take control of your cybersecurity posture today.
You can also check if your organization’s data has been exposed using our free 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.
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