Texas Tech Health Science Center's vendor breach affects 1.2 million patients Texas Tech Health Science Center's vendor breach affects 1.2 million patients 6/20/22 By: Becker's Health IT Texas Tech University Health Science Center notified patients of a data breach that occured at its eye care software vendor, which has potentially exposed the protected health information of more than 1.2 million patients, NewsChannel 10 reported June 10. Click here to read the complete story.