Ransomware victim disclosure
← All victimsAmstel Securities
Claimed by thegentlemen · listed 8 days ago
Status timeline
- Listed
May 12, 2026
- Data leaked
At a glance
- Group
- thegentlemen
- Status
- Data leaked
- Country
- NL
- Sector
- Financial Services
- Listed on leak site
- May 12, 2026
About the victim
AI dossier — public-source company profileAmstel Securities is an independent brokerage firm founded in 1989, specializing in fixed income, equities, and derivatives with a focus on Southeast Asian domestic currency bonds, high-yield credit, and G7 markets. The firm operates as an agency and matched-principal broker serving institutional clients including wealth managers, family offices, and accredited investors worldwide. It maintains clearing and custody partnerships with BNY Mellon's Pershing and connects Asian and global markets.
- Industry
- Institutional Brokerage & Fixed Income Securities
- Founded
- 1989
Attack summary
Severity: critical — Amstel Securities operates in regulated financial services, handling institutional client data, investment portfolios, and financial transaction records for wealth managers, family offices, and accredited investors. Data publication by the threat actor in this sector typically involves regulated financial PII and confidential investment data at scale, warranting a critical classification.The group 'thegentlemen' claims to have compromised Amstel Securities and has published data, though no ransom amount or explicit data volume was stated. The disclosed status indicates data has been published, suggesting exfiltration of business and potentially client-related information.
Data the group says was taken
AI dossier — extracted from the leak post- Client account records
- Institutional investor data
- Trade execution records
- Internal business documents
- Partnership/counterparty communications
What the group claims
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
Sources
- Victim siteamstelsecurities.com
Source
Indexed 8 days agoThis page surfaces a public ransomware disclosure indexed by Darkfield. Original posts come from the operator's own leak site; we cross-check against ransomware.live, RansomLook and RansomWatch where applicable. Share this URL freely.
