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North Star Asset Management

sinobi

This record tracks a ransomware attack claimed by the sinobi group against North Star Asset Management. It collects the publicly disclosed attack details — sector, location and timeline — as published on the operator's leak site and indexed by Breach House.

Country
United States
Business Category
Services
Employees
0-50
Discovered
2025-12-19
Published
December 19, 2025
Victim ID
xD5X1DDifDFR

Attack Summary

North Star Asset Management, Inc. is a prominent independent SEC Registered Investment Advisory firm based in Wisconsin, managing nearly $3 billion in assets. They offer tailored investment management and retirement planning services for families, corporations, and endowments, always prioritizing client interests as fiduciaries. Their team consists of 11 investment professionals, including 9 CFA Charterholders and 2 CFP professionals, boasting over 200 years of combined investment experience. North Star is recognized for its personalized and independent financial advice, charging a fee of 0.6% of managed assets.

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