Aftermath: More than 99% of providers opted to have Change Healthcare notify patients of its massive

The Change Healthcare data breach affecting more than 190 million patients, stands as the largest single breach ever affecting patients. Threat actors known as BlackCat (aka AlphV) had reportedly used a set of stolen credentials to remotely access the company’s systems that weren’t protected by multifactor authentication. Confronted with a massive breach, UnitedHealth decided to…![](https://analytics.hitsaru.com/piwik.php?idsite=11&rec=1&url=https%3A%2F%2Fdatabreaches.net%2F2025%2F08%2F02%2Faftermath-more-than-99-of-providers-opted-to-have-change-healthcare-notify-patients-of-its-massive-data-breach%2F%3Fpk_campaign%3Dfeed%26pk_kwd%3Daftermath-more-than-99-of-providers-opted-to-have-change-healthcare-notify-patients-of-its-massive-data-breach&action_name=Aftermath%3A+More+than+99%25+of+providers+opted+to+have+Change+Healthcare+notify+patients+of+its+massive+data+breach&urlref=https%3A%2F%2Fdatabreaches.net%2Ffeed%2F)

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NAICS: 621 – Ambulatory Health Care Services

NAICS: 62 – Health Care And Social Assistance

NAICS: 52 – Finance And Insurance

NAICS: 518 – Computing Infrastructure Providers

Data Processing

Web Hosting

Related Services

NAICS: 51 – Information

ALPHV

Noberus

BlackCat

Blog: DataBreaches

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