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Healthcare group Ascension discloses second cyberattack on patients' data

ID: 0c2bd9a8-1409-5f77-ae4c-db9f1b088c8c

STIX ID: report--0c2bd9a8-1409-5f77-ae4c-db9f1b088c8c

Feed Name: The Register (Security)

Threat Score
80/100

Date Published: 2025-05-01

Date Updated: 2026-04-26

Author: Connor Jones

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Ascension Health notified patients that their medical and PII data (including names, contact details, dates of birth, SSNs and some clinical records) were compromised when a former business partner was breached via a vulnerability in third-party software; reporting links the incident plausibly to Cl0p's Cleo-based extortion campaign and notes a separate prior ransomware claim (Black Basta) against Ascension.

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