TBK Bank Data Breach Investigation

Turke & Strauss LLP, a leading data breach law firm, is investigating TBK Bank, SSB regarding its recent data breach. The TBK Bank data breach involved sensitive personal information belonging to an undetermined number of individuals.


TBK Bank is a state savings bank offering commercial and consumer banking products. Accordingly, TBK Bank offers its customers checking and savings accounts, loans, mortgages, credit cards, treasury management, commercial and industrial (C&I) loans, commercial real estate loans, mortgage warehouse lending, and other financial products. Founded in 1981, TBK Bank is a subsidiary of Triumph Financial. Headquartered in Dallas, Texas, TBK Bank operates 63 branch locations across Texas, Colorado, Illinois, Kansas, Iowa, and New Mexico, and employs over 1,000 individuals.


On August 8, 2023, TBK Bank was notified by its third-party service provider, Fiserv, that it had experienced a data breach in which the sensitive personal information in its systems may have been accessed and acquired. Through its investigation, Fiserv determined that an unauthorized actor may have accessed this sensitive information through a vulnerability in the MOVEit file sharing platform used by Fiserv between May 27 and May 31, 2023. On October 31, 2023, TBK Bank began contacting individuals whose information may have been impacted. The exact type of personal information has not been made publicly available by TBK Bank. However, according to state reporting guidelines, “personal information” can include the following types of information:  

  • Name
  • Social Security number
  • Driver’s license number
  • Financial information
  • Medical information 
  • Taxpayer information
  • Personal identification number issued by the United States IRS

If you received a breach notification letter from TBK Bank, SSB:

We would like to speak with you about your rights and potential legal remedies in response to this data breach. Please fill out the form, below, or contact us at (608) 237-1775 or sam@turkestrauss.com.

If you were impacted by the TBK Bank data breach, you may consider taking the following steps to protect your personal information.

  1. Carefully review the breach notice and retain a copy;
  2. Enroll in any free credit monitoring services provided by TBK Bank, SSB;
  3. Change passwords and security questions for online accounts;
  4. Regularly review account statements for signs of fraud or unauthorized activity;
  5. Monitor credit reports for signs of identity theft; and
  6. Contact a credit bureau(s) to request a temporary fraud alert.

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