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Investigation OpenIndiana AG filing · January 15, 2026

Chatham Asset Management Reports 2025 Data Security Incident

Chatham Asset Management LLC filed a report in Indiana confirming unauthorized system access on December 8, 2025. This incident may have exposed personal information, and individuals who received a notification letter should review it for details on potential impacts to their data.

State
Indiana
Breach date
December 8, 2025
Reported
January 15, 2026

Chatham Asset Management LLC has officially reported a data security incident to state regulators in Indiana. This filing confirms unauthorized access to their systems, an event that potentially involved personal information of clients.

The breach reportedly occurred on December 8, 2025, and the firm submitted its official notification on January 15, 2026. The company states it is currently investigating the full scope and impact of this security event.

While the specific categories of data involved were not detailed in the public filing, the incident means that certain personal information held by Chatham Asset Management LLC may have been accessed by an unauthorized party. The company is a financial institution that manages investment portfolios and advisory services.

If you received a data breach notification letter directly from Chatham Asset Management LLC, it contains important details specific to your situation. This letter should outline any services being offered, such as identity monitoring, and provide contact information for further inquiries.

It is advisable for anyone affected to remain vigilant. Review your financial statements and credit reports regularly for any unusual activity. Be cautious of unsolicited communications asking for personal details, as these could be phishing attempts.

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