In the latest cybersecurity news, Amstel Securities — a company operating in the NL — has fallen victim to a ransomware attack conducted by the group thegentlemen. This data breach, discovered on 2026-05-12T19:28:04.546867+00:00, 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:
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Incident Report
| Attribute | Information |
|---|---|
| Target Organization | Amstel Securities |
| Threat Group | thegentlemen |
| Summary | amstelsecurities.com zoominfo.com/c/amstel-securities-llp/353641962 Amstel Securities is a premier independent brokerage firm founded in 1989, connecting Asian and global markets with 35+ years of expertise in fixed income, equities, and derivatives. As a trusted agency and matched-principal broker, they specialize in Southeast Asian domestic currency bonds, high-yield credit, and G7 markets, serving institutional clients with unbiased execution and deep liquidity. Backed by strategic partnerships with BNY Mellon’s Pershing for clearing and custody, they deliver secure, efficient solutions for wealth managers, family offices, and accredited investors worldwide |
| Date of Breach | 2026-05-12T17:22:16+00:00 |
| Discovery Date | 2026-05-12T19:28:04.546867+00:00 |
| Region | NL |
| Target Domain | amstelsecurities.com |
| Business Sector | Financial 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.
