In the latest cybersecurity news, GCA Professional — a company operating in the HK — has fallen victim to a ransomware attack conducted by the group thegentlemen. This data breach, discovered on 2026-04-04 22:47:30.986159, underscores the increasing need for proactive cybersecurity defenses as we continue through 2025.
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.
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Incident Report
| Attribute | Information |
|---|---|
| Target Organization | GCA Professional |
| Threat Group | thegentlemen |
| Summary | gca-group.com zoominfo.com/c/gca-professional-services-group-ltd/346680381 GCA Professional Services Group is a leading financial services provider headquartered in Hong Kong, with over 25 years of experience serving blue-chip institutional, corporate, and individual clients globally. Its core services include valuation and advisory, corporate finance, mining and mineral consultancy, and corporate services. |
| Date of Breach | 2026-04-04 22:47:28.942592 |
| Discovery Date | 2026-04-04 22:47:30.986159 |
| Region | HK |
| Target Domain | gca-group.com |
| Business Sector | Business Services |
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.
