Swiss Drug Manufacturer Siegfried Shuts Down Production after Cyberattack

February 26, 2024


The Siegfried Group suFfered a cyber attack shortly before Pentecost. THe Swiss company shut down production at multiple sites, cut off network connections, and scoured its information technology systems. Among other things, Siegfried packages the Pfizer-BioNTech COVID-19 vaccine.

As a result of the attack, there will be certain volume and revenue shortfalls in the first half of the year. Based on the results of the forensic investigations, which are well advanced, the Siegfried Group continues to assume that no sensitive customer data were affected by the incident.

Incident Date

May 21, 2021



Estimated Cost

Shutdown operations and impacted production

Type of Malware

No Malware identified

Threat Source

No threat source identified