Grand Missouri Bank Reports Data Breach in Indiana Filing

Stark Bancshares, operating as Grand Missouri Bank, officially reported a data security incident to the state of Indiana in December 2025. This notification confirms that the financial institution experienced an event potentially involving sensitive client data.

The breach date for this incident is listed as October 21, 2025, with the official filing occurring on December 30, 2025. While the exact types of personal information affected were not specified in the public record, such incidents typically prompt banks to notify individuals whose data may have been compromised.

For individuals who have received a formal data breach notification letter from Grand Missouri Bank, it signifies that their personal information was likely involved in this event. Reviewing this letter is crucial to understand any specific details the bank is providing about the incident and recommended next steps.

To protect themselves, individuals should remain vigilant against identity theft and fraud. Consider placing a fraud alert or freezing credit with the major credit bureaus. Also, monitor financial accounts and credit reports for any suspicious activity and report unauthorized transactions immediately.