Massive HCA Healthcare data breach impacts millions, hackers claim sensitive info leaked

HCA Healthcare experienced a data breach affecting around 11 million patients across 20 states.
Hackers stole patient names, contact details, appointments info from an external email storage location.
HCA claims no financial or medical data was breached, but hackers assert sensitive diagnosis info was leaked.
Facilities in FL, TX, CA most impacted; total number affected still under investigation.
HCA offering credit monitoring to affected patients, warns of potential scam attempts.