Why do the incident date and the report date differ?

Companies usually investigate before they report. The gap between the two dates shows how long that took.

What does the records-affected figure count?

It is the number the company gave the state. It can cover residents of that state only, so the national total may be higher.

Does this case file change over time?

Yes. When a company files an update or a new state publishes its copy of the report, the dates and counts here are refreshed.

Case file

Case File: Crystal Valley Financial Corporation dba First State Bank of Middlebury Data Breach

This file collects the dated facts on record for the Crystal Valley Financial Corporation dba First State Bank of Middlebury incident. The state report is dated January 28, 2026. The incident itself is dated October 30, 2025.

Timeline

90 days separate the incident date from the date it was reported.

October 30, 2025Incident dateWhen the filing says the breach took place.
January 28, 2026Report filed in IndianaDate the notice was lodged with the Indiana Attorney General.

Case facts

Filing state: Indiana
Date reported: January 28, 2026
Incident date: October 30, 2025
Receiving office: Indiana Attorney General

Case notes

First State Bank of Middlebury, a division of Crystal Valley Financial Corporation, filed a data breach report with the Indiana Attorney General's office on January 28, 2026. This report details an information security incident that took place on October 30, 2025.

According to public filings, the nature of this breach type remains unspecified, and the specific categories of personal information involved have not been publicly disclosed. As a financial institution, First State Bank of Middlebury routinely handles sensitive personal data to facilitate banking and wealth management services. The company has indicated that the incident is currently under investigation.

Recipients of an official data breach notification letter from First State Bank of Middlebury should treat it as a critical document. Such a letter confirms that your personal information was part of this event. It is essential to read the letter thoroughly, as it is the primary source of specific details relevant to your situation.

While the specific data affected in this incident is not publicly detailed, it is always prudent to take general protective measures. Consider monitoring your financial accounts and credit reports for any suspicious activity. Remain vigilant against unexpected communications, such as emails or calls, that might attempt to solicit personal details, as these could be phishing attempts linked to data incidents. Following any instructions provided in the official notification letter is also highly recommended.

Questions about this case file

Where does the Crystal Valley Financial Corporation dba First State Bank of Middlebury case file come from?: Every entry is taken from the breach report Crystal Valley Financial Corporation dba First State Bank of Middlebury lodged with the Indiana Attorney General. Nothing here is estimated.
Why do the incident date and the report date differ?: Companies usually investigate before they report. The gap between the two dates shows how long that took.
What does the records-affected figure count?: It is the number the company gave the state. It can cover residents of that state only, so the national total may be higher.
Does this case file change over time?: Yes. When a company files an update or a new state publishes its copy of the report, the dates and counts here are refreshed.

Indiana data breaches

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Timeline

Case facts

Case notes

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