Texas Tech University Health Science Center Reports Third-Party Data Breach Affecting 1.3 Million Patients | JD Supra. Recently, Texas Tech University Health Science Center (“TTUHSC”) confirmed a data breach after Eye Care Leaders, a third-party vendor of TTUHSC,. If you received a data breach notification, it is essential you understand what is at risk and what you can do about it. To learn more about how to protect yourself from becoming a victim of fraud or identity theft and what your legal options are in the wake of the Texas Tech University Health Science Center data breach, please see our recent piece on the topic here. Based on the information provided by Texas Tech University Health Science Center, the TTUHSC breach was the result of a data security incident at Eye Care Leaders, a third-party vendor TTUHSC relies on for Electronic Health Record management services. Third-party company: EyeCare Leaders.