Centennial Bank Data Breach Letter: What It Means for Your Rights

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.