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Enzo Biochem

Disclosed Apr 13, 20232,470,000 affectedConfirmed

SEC filing

Ransomware attack on Enzo Biochem exposes clinical test data of 2.47 million patients

Enzo Biochem suffered a ransomware attack on April 6, 2023 and found on April 11 that attackers had accessed and exfiltrated data. It said clinical test information of about 2,470,000 individuals was involved, including about 600,000 Social Security numbers.

What is known

People affected2,470,000 (as reported by the organization)
DisclosedApr 13, 2023
DiscoveredApr 11, 2023
AttackRansomware
Data exposedNamesSocial Security numbersHealth
SectorHealthcare · US
StatusConfirmed

Sources

Notices filed

Other breaches at Enzo Biochem

History of this record
Added2026-09-25
First recordedby seedSource

First seen 2026-09-25 (Research), confirmed by Research. Record counts are as reported. Not legal advice.

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