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Ascension Notifying 5.6 Million Affected by Ransomware Hack

18 hours ago   bankinfosecurity

Missouri-Based Hospital Chain Initially Reported That Attack Affected Only 500 Marianne Kolbasuk McGee (HealthInfoSec) • December 20, 2024

Missouri-based Ascension says nearly 5.6 million patients and employees were affected by a May ransomware attack on the hospital chain (Image: Ascension)

More than seven months after a ransomware disrupted its IT systems for weeks, Catholic hospital chain Ascension Health is now notifying nearly 5.6 million current and former patients and employees that the incident - which also involved data theft - potentially compromised their sensitive information.

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Ascension, which initially filed a report to federal regulators in July with a placeholder estimate of 500 individuals affected, updated that report on Thursday, also notifying state regulators, including the attorneys general of California and Maine.

The severity of IT disruption caused by the incident varied across regions served by the Missouri-based chain, which operates 140 ...


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