DataBreachInformation.com
MonitoringTexas AG filing · September 17, 2026

Texas Filings Confirm Centennial Bank Data Security Incident

Centennial Bank, encompassing its Happy State Bank division, formally reported a data security incident to Texas authorities on September 17, 2026. This filing confirms an event on August 7, 2026, that potentially involved personal information, though the specific nature of the breach and data types exposed are not detailed in the public record.

State
Texas
Breach date
August 7, 2026
Reported
September 17, 2026

What may have been exposed

  • Full Name
  • Social Security Number
  • Financial Account Number
  • Date of Birth
  • Routing Number
  • Credit Score Information
  • Transaction History
  • Mailing Address

Centennial Bank, which includes its Happy State Bank division, has officially reported a data security incident to Texas state authorities. The notification, filed on September 17, 2026, acknowledges an event that may have exposed customer data.

According to the information provided in the public filing, the incident itself occurred on August 7, 2026. While the report confirms that personal information was involved, the specific categories of data compromised and the exact type of breach remain unspecified in the official record.

The total number of individuals potentially affected by this incident has not been disclosed in the public filing. Centennial Bank has indicated that the matter is currently under monitoring, suggesting an ongoing assessment of the situation.

Individuals who may be affected are advised to maintain vigilance regarding their personal information. It is generally recommended to carefully review statements from financial institutions and other accounts for any unusual or unauthorized activity. Additionally, individuals should be cautious of unsolicited communications requesting personal details.

This information is compiled from official data breach filings submitted to state regulatory bodies, serving as a factual and neutral record of reported incidents. DataBreachInformation.com provides these details as a public reference point for those seeking to verify official notifications.

What to do if you were affected

Based on the categories of information reported in this filing, these steps can help limit the risk of identity theft and fraud.

  • Freeze your credit

    Place a free credit freeze with Equifax, Experian, and TransUnion. A freeze blocks new accounts from being opened in your name and can be lifted anytime.

  • Watch your financial accounts

    Review bank and card statements for unfamiliar activity and turn on transaction alerts. Report anything you don't recognize to your bank right away.

  • 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.

What to know about the Centennial Bank data breach

How many people were affected by the Centennial Bank data breach, and what was exposed?
The filing does not give a count of affected people and lists the following information as involved: Full Name, Social Security Number, Financial Account Number, Date of Birth, Routing Number, Credit Score Information, Transaction History, Mailing Address. Your own letter is the best guide to what was exposed about you, since notices are usually tailored to each person.
Where can I see the official Centennial Bank breach notice?
Centennial Bank's report is published by the Texas Attorney General: https://oag.my.site.com/datasecuritybreachreport/apex/DataSecurityReportsPage#BR-0005334 Compare it with the letter you received to confirm the dates and details match.
What should I do after getting the Centennial 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 the Centennial Bank data breach letter legit or a scam?
A notice from Centennial Bank in the mail matches the breach Centennial Bank reported to the Texas Attorney General on September 17, 2026. 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 Centennial Bank through a phone number or website you find yourself.
Did Centennial Bank offer free credit monitoring?
Any free monitoring Centennial Bank is offering will be described in the notice you received, along with an activation code and a sign-up deadline. Because Social Security numbers are listed in this filing, identity monitoring and a credit freeze matter more than usual. Signing up doesn't waive any legal rights you may have.
Can I sue Centennial Bank over the data breach?
It depends on what was exposed, the law in Texas 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.
Is there a Centennial 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 Centennial 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.
How much could a Centennial Bank data breach settlement or claim be worth?
There is no set amount, and no Centennial 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. The filing lists Full Name, Social Security Number, Financial Account Number as involved. Keep receipts and records; they're what damages claims are built on.
Do I need a Centennial Bank data breach lawyer or attorney?
An attorney can read your notice and tell you whether a claim makes sense. A case review here is free, and data breach cases are usually handled on contingency, so there is no upfront cost.

Source: Texas Attorney General filing

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