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More than 100,000 impacted by December data breach at Ascension Health

ID: 25f604e6-e61a-5064-89fd-3d2104df5470

STIX ID: report--25f604e6-e61a-5064-89fd-3d2104df5470

Feed Name: The Record from Recorded Future News

Threat Score
72/100

Date Published: 2025-05-01

Date Updated: 2026-05-01

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Ascension Health disclosed a December 5 incident in which hackers likely accessed patient demographic data, Social Security numbers, and clinical visit records after exploiting a vulnerability in third-party software used by a former business partner; Texas filings indicate 114,692 affected in that state, and the company’s prior 2024 ransomware attack (affecting ~5.6M people) is referenced but not confirmed as connected to this disclosure.

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