CybersecurityMay 20, 2026, 04:09 PM
West Pharmaceutical fully operational after cyberattack; no material financial impact
AI Summary
West Pharmaceutical Services Inc. reported that it is now fully operational globally following a material cybersecurity attack detected on May 4, 2026. The incident involved data exfiltration and system encryption, prompting the company to take systems offline and engage experts. Remediation efforts have restored core enterprise systems and critical manufacturing processes. Based on the ongoing investigation, the company believes the incident will not materially impact its 2026 second-quarter and full-year financial guidance.
Key Highlights
- West Pharmaceutical experienced a material cybersecurity attack, with intrusion detected on May 4, 2026.
- Certain data was exfiltrated and systems were encrypted by an unauthorized party.
- Company activated incident response, took systems offline, notified law enforcement, and engaged experts.
- Core enterprise systems and critical manufacturing processes have been restored.
- West Pharmaceutical is now fully operational across all global manufacturing, supply chain, and commercial sites.
- No unauthorized activity or access has been observed since May 5, 2026.
- Incident is not reasonably likely to have a material impact on 2026 Q2 and full-year financial guidance.
Price Impact
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