MemberSource Credit Union Reports Data Exposure to Montana AG
MemberSource Credit Union filed a data breach report with the Montana Attorney General on May 5, 2026, concerning an incident on June 3, 2025. This report indicates that personal information held by the credit union was compromised through unauthorized access. Individuals who received notification letters should review them for specific details on the exposure.
- State
- Montana
- Breach date
- June 3, 2025
- Reported
- May 5, 2026
MemberSource Credit Union, a financial institution operating in Montana, reported a data security incident to the state's Attorney General. The breach, which was detected on June 3, 2025, was officially filed on May 5, 2026. The matter is currently under investigation.
The public filing confirms that unauthorized access to the credit union's systems led to the potential exposure of personal information. The specific categories of information involved in this incident were not detailed in the public record. Those affected have been or will be notified directly by MemberSource Credit Union.
This report to the Montana Attorney General serves as an official acknowledgment of the breach. MemberSource Credit Union advises that its investigation into the scope and impact of this unauthorized access is ongoing. If you received a direct notification letter, it is important to carefully review its contents to understand the specifics pertaining to your data.
Individuals who are concerned about their personal information should remain vigilant for any unusual activity across their various accounts. It is generally recommended to regularly monitor financial statements and credit reports for suspicious transactions or inquiries. Additionally, if MemberSource Credit Union offered credit monitoring or identity protection services, considering enrollment in these programs can help safeguard against potential misuse of your exposed data.