Zurich-based healthcare provider AMEOS Group shuts down systems after confirming unauthorized access to sensitive data


 The AMEOS Group, a major healthcare network operating across the DACH region (Germany, Austria, and Switzerland), has been forced to disconnect its IT systems from the internet following a confirmed cyberattack. The Zurich-based provider, which manages over 100 facilities, acknowledged that external actors gained unauthorized access to servers containing patient, employee, and partner data. This precautionary "digital blackout" is an increasingly common containment strategy intended to sever command-and-control links and prevent the lateral movement of malware, specifically ransomware, across interconnected hospital networks.

The operational disruption caused by such a shutdown is significant, often reverting clinical workflows to manual, paper-based processes that can slow down patient care and administrative functions. AMEOS has filed criminal complaints and is working with forensic experts to assess the integrity of their data before bringing systems back online. This incident illustrates the high operational stakes for large, cross-border hospital chains, where a breach in one node can necessitate a system-wide shutdown to protect the broader infrastructure. It reinforces the need for robust disaster recovery plans that account for extended periods of IT unavailability.

Read the original article at: https://www.bleepingcomputer.com/news/security/major-european-healthcare-network-discloses-security-breach/


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