At a glance
Organisation
Change Healthcare
Kind
Breach or incident
Sector
Healthcare
Severity
Critical
Disclosed
Feb 2024
Indexed
1 Feb 2024
Records
100,000,000, as stated in the disclosure
Source
Summary
Ransomware attack exposed data of up to 100 million people, disrupted U.S. healthcare systems
This record says what was disclosed, when and by whom. It does not say that any person or firm was affected.
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Nearly 20 million patient records exposed across 80 U.S. hospitals
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Medium30 Sep 2026
Medela
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423,947 records exposed, Email addresses, Employers, Job titles, Names and 4 more
30 Sep 2026
High28 Sep 2026
Organisation not named
Healthcare · Records not stated
The disclosure as indexed does not name the organisation.
Hackers stole personal data from a Polish healthcare software provider in the latest cyberattack to hit the country’s medical sector in recent months.
28 Sep 2026