Stiftung Wagerenhof in Uster, Zurich, disclosed that a ransomware attack hit its virtual IT environment, blocking access to multiple systems and encrypting data. The attackers later issued a ransom demand after the intrusion, disrupting the foundation’s operations and prompting the organization to publish ongoing public updates about the incident.
The foundation said it shut down all systems and connections immediately after detecting the attack and brought in external ICT and cybersecurity specialists to support containment and recovery. Cantonal police were involved, the incident was reported to Switzerland’s Federal Office for Cybersecurity (BACS), and a criminal complaint was filed; Wagerenhof also said it would not pay the ransom.

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The foundation stated that it refused to comply with the attackers' ransom demand. This marked its public position on the extortion attempt tied to the ransomware incident.
Following the attack, the foundation shut down all systems and connections and brought in external ICT and cybersecurity partners to respond to the incident. It also involved the cantonal police, notified Switzerland's Federal Office for Cybersecurity (BACS), and filed a criminal complaint.
On the evening of 2026-07-09, Stiftung Wagerenhof said attackers struck its virtual IT environment in Uster, blocking access to multiple systems and encrypting data. The attackers later sent a ransom note demanding payment.
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