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Cybersecurity

The most significant and consequential cyberattack in American history began Feb. 21 against UnitedHealth Group's Change Healthcare, crippling financial operations for hospitals, insurers, pharmacies and medical groups nationwide.

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Dallas-based UT Southwestern Medical Center has been hit with a data breach that is affecting 2,094 patients, according to a data security breach report on Texas Attorney General Ken Paxton's website. 

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