Enzo Biochem Breach Exposes Clinical Test Data on 2.5M People

June 27, 2023


Biotechnology company Enzo Biochem has revealed that the clinical test information of roughly 2.47 million individuals was exposed in a recent ransomware attack.

The incident resulted in certain systems being disconnected from the internet.

On April 11, Enzo Biochem’s investigation revealed that the attackers accessed and exfiltrated certain information from its systems, including names, clinical test information, and, in some cases, Social Security numbers.

Enzo Biochem expects increased regulatory scrutiny to follow and notes that the full cost and impact of the incident are still under evaluation.

Incident Date

April 6, 2023

Estimated Cost

No cost values disclosed.


Type of Malware

No Malware identified

Threat Source

No threat source identified