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Investigation OpenIN AG filing · December 30, 2025

Stark Bancshares dba Grand Missouri Bank Reports 2025 Data Breach

Stark Bancshares, operating as Grand Missouri Bank, reported a data breach on December 30, 2025, impacting individuals in Indiana. This incident, which began on October 21, 2025, involved unauthorized access to personal information, prompting recipients of notification letters to review their data security.

This breach is real, not a scam. Stark Bancshares dba Grand Missouri Bank officially reported it to the IN Attorney General on December 30, 2025.

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Received a Stark Bancshares dba Grand Missouri Bank notification letter? Find out in minutes if you qualify for compensation.

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State
IN
Breach date
October 21, 2025
Reported
December 30, 2025

Stark Bancshares, doing business as Grand Missouri Bank, has officially reported a data breach to authorities on December 30, 2025. The company indicated that the security incident affecting personal information was first identified on October 21, 2025. While the public filing does not specify the exact number of individuals impacted, those who received a notification letter should carefully review its contents.

The public record for this breach does not detail the specific categories of personal information that may have been exposed. Consequently, you should refer to your official notification letter from Stark Bancshares dba Grand Missouri Bank for any specific details they have provided regarding your data.

Receiving a data breach notification letter can be unsettling, but it is an important document. It serves as a direct communication from the company regarding an incident that may involve your personal information. Be sure to read your letter thoroughly for any recommendations or resources offered by Grand Missouri Bank.

Given that the specific information involved is not publicly detailed, general protective measures are advisable. Remain vigilant by regularly monitoring your financial accounts and credit reports for any unusual activity. Exercise caution with unsolicited emails, calls, or texts, as these could be attempts to gain further access to your information.

Stark Bancshares dba Grand Missouri Bank has indicated that the breach is currently under investigation. If you have received a notification letter from Grand Missouri Bank, understanding its implications is a crucial first step. You may wish to consider a no-cost, no-obligation case review to discuss your situation and potential next steps.

What to do if you were affected

These general steps can help limit the risk of identity theft and fraud after any data breach.

  • Stay alert to targeted scams

    Be cautious of calls, texts, or emails that reference this breach. Legitimate organizations won't ask you to confirm sensitive details through an unsolicited message.

  • Keep your notification letter

    Save the notice you received. It documents that your information was involved and is often needed to enroll in any credit monitoring offered or to join a related legal claim.

Stark Bancshares dba Grand Missouri Bank data breach notice and letter questions

Is the Stark Bancshares dba Grand Missouri Bank data breach letter legit or a scam?
A notice from Stark Bancshares dba Grand Missouri Bank in the mail matches the breach Stark Bancshares dba Grand Missouri Bank reported to the IN Attorney General on December 30, 2025. Check that the company name and dates in your letter match that filing. A real notice of data security incident won't ask for your password, Social Security number or a payment — if it does, contact Stark Bancshares dba Grand Missouri Bank through a phone number or website you find yourself.
Where can I see the official Stark Bancshares dba Grand Missouri Bank breach notice?
Stark Bancshares dba Grand Missouri Bank's report is published by the IN Attorney General: https://www.in.gov/attorneygeneral/consumer-protection-division/id-theft-prevention/security-breaches/#stark-bancshares-dba-grand-missouri-bank-2025 Compare it with the letter you received to confirm the dates and details match.
Did Stark Bancshares dba Grand Missouri Bank offer free credit monitoring?
Any free monitoring Stark Bancshares dba Grand Missouri Bank is offering will be described in the notice you received, along with an activation code and a sign-up deadline. Enrolling does not give up your right to bring a claim.
What should I do after getting the Stark Bancshares dba Grand Missouri Bank data breach notice?
Keep the letter and the envelope, and note the date it arrived. Freeze your credit with Equifax, Experian and TransUnion, change any passwords the notice mentions, and sign up for any free credit monitoring the letter offers. Then check whether you may have a claim.
Is there a Stark Bancshares dba Grand Missouri Bank data breach class action lawsuit?
Law firms often open an investigation after a breach notice like this one, and a class action lawsuit may follow. This page doesn't confirm that a lawsuit has been filed against Stark Bancshares dba Grand Missouri Bank. You usually don't have to join a class action to be included — if a settlement is reached, class members are notified and can file a claim.
Do I need a Stark Bancshares dba Grand Missouri Bank data breach lawyer or attorney?
Talking to a data breach attorney costs nothing here. A lawyer can read your notice, explain your rights under your state's law and tell you whether a claim makes sense.
How much could a Stark Bancshares dba Grand Missouri Bank data breach settlement or claim be worth?
There is no set amount, and no Stark Bancshares dba Grand Missouri Bank settlement is confirmed here. In past data breach settlements, payments depended on what data was exposed and on documented losses — fraud, out-of-pocket costs and time spent dealing with the breach. Keep receipts and records; they're what damages claims are built on.
Can I sue Stark Bancshares dba Grand Missouri Bank over the data breach?
It depends on what was exposed, the law in IN and your own state, and whether you've been harmed. Most people take part through a class action rather than suing alone. Keep your notification letter — it's the proof that connects you to the breach.

Source: IN Attorney General filing

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