More than 100 million people had their personal information and healthcare data stolen in the massive UnitedHealth ransomware attack earlier this year, making it the largest healthcare data breach in the country.
After completing its investigation into February's data breach, the US Department of Health and Human Services said this week that roughly a third of all Americans' health data was exposed in the attack. The findings confirm UnitedHealth's statement back in April that the attack exposed sensitive data for a "substantial proportion of people in America."
