A security breach at American Medical Collection Agency (AMCA), a provider of billing services for the US healthcare sector, has now exposed the personal and financial information of over 20 million Americans, possibly more.
The exposed data belongs to Americans who paid laboratory work at various clinical and blood testing labs across the US and used AMCA's billing portal.
Hack went undetected for months
The breach, first reported by DataBreaches.net, took place after a hacker group compromised AMCA's IT network and stole payment information, which they later put up for sale on carding forums.
Exposed data included ...
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