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MonitoringTexasFiled September 17, 2026

Understanding your Centennial Bank (including its division Happy State Bank) data breach notification letter

If a Centennial Bank (including its division Happy State Bank) letter arrived in your mailbox, here is what it means, why you received it, and the free steps you can take right now.

This breach is real, not a scam. Centennial Bank (including its division Happy State Bank) officially reported it to the Texas Attorney General on September 17, 2026.

Reviewed by David S. Harris, Esq., data breach and class action attorney (Florida Bar No. 0112739). Free consultation: 786-306-7278

Why you received this letter

Centennial Bank, including its Happy State Bank division, reported a data breach that exposed sensitive customer financial information. This incident puts affected individuals at risk of identity theft and financial fraud as critical personal and banking details were compromised.

Information the filing reports as involved

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

After the Centennial Bank incident: what to do and your options

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.
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.
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.
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.
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.
Do I need a Centennial Bank data breach lawyer or attorney?
Whether the company's systems were encrypted by ransomware or data was simply taken, the legal question is the same: did it protect your information the way the law requires? An attorney can review your notice for free, and these cases are usually handled on contingency.
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.
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.
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.

What to do after the letter

  1. Confirm the notice is genuine

    A legitimate Centennial Bank (including its division Happy State Bank) notice references the specific incident reported to the Texas Attorney General and describes which categories of your information were involved. Compare the letter against the public filing before acting on any links or phone numbers it contains.

  2. Keep the letter — it is your proof of connection

    The notification letter is the document that ties your personal information to this incident. Keep the original and photograph it. If you later request a case review, this letter is the strongest evidence that you were among the affected individuals.

  3. Protect your accounts and credit

    Depending on what was exposed, consider a free credit freeze with all three bureaus, new passwords for reused credentials, and monitoring of financial statements. These steps are free and do not require you to wait for anyone's permission.

  4. Find out whether you have a claim

    Whether the Centennial Bank (including its division Happy State Bank) breach gives you a legal claim depends on the facts. A free, no-obligation case review will tell you where you stand — there is no cost and no commitment to find out.

This page summarizes a data breach reported to the Texas Attorney General for informational purposes and is attorney advertising. It does not create an attorney-client relationship. RansomwareLawFirm.com does not provide legal advice through this page.