Centennial Bank Data Breach Letter: What It Means for Your Rights
Centennial Bank, including its Happy State Bank division, reported a data security incident in September 2026. If you received a notification letter, your sensitive financial information may have been exposed, creating potential risks for identity theft and financial fraud. This guide explains what the letter means for your legal rights and next steps.
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
Received a Centennial Bank (including its division Happy State Bank) notification letter? Find out in minutes if you qualify for compensation.
Free case review- 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, formally announced a data security incident on September 17, 2026, in Texas. As a financial institution, Centennial Bank manages a vast amount of sensitive customer information. If you received a data breach notification letter, it indicates your personal data was involved in this security event.
The breach exposed several categories of sensitive information. The compromised data included Full Name, Social Security Number, Financial Account Number, Date of Birth, Routing Number, Credit Score Information, Transaction History, and Mailing Address. The exposure of these specific data types puts affected individuals at significant risk for various forms of financial crime and identity fraud.
Financial institutions like Centennial Bank are legally required to protect your private information under laws such as the Gramm-Leach-Bliley Act and various state regulations. A data breach of this nature suggests that the security measures in place may have been insufficient to prevent unauthorized access to customer data. Understanding your notification letter is the first step in assessing your legal position.
If you received a notification letter from Centennial Bank or Happy State Bank, it is crucial to carefully review the information provided. We recommend monitoring your bank statements, credit reports, and other financial accounts for any suspicious activity. The letter should also offer details about credit monitoring or other protective services.
Receiving a data breach notification letter means that your information was potentially mishandled, which can create grounds for legal action. You do not necessarily need to have suffered direct financial losses yet; the increased risk of future harm from exposed data can be sufficient. Our firm is actively investigating this Centennial Bank data breach and offers a free, no-obligation case review to help you understand your legal options.
Received the Centennial Bank (including its division Happy State Bank) notification letter? The Centennial Bank (including its division Happy State Bank) case file tracks this filing.
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.
Your legal options after the Centennial Bank data breach
- 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?
- A data breach attorney can explain whether the law in your state gives you a claim and what proof you'd need. Reviews here are free, and these cases are normally taken 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.
- 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.
- 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.
- 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.
- 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.
- 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.
Source: Texas Attorney General filing
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