secwatch.observer — SEC 8-K summary
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Issuer:     WEST PHARMACEUTICAL SERVICES INC (WST)
CIK:        0000105770
Form:       8-K
Filed at:   2026-05-11T21:06:38+00:00
Accession:  0000105770-26-000068
Event type: cyber
Sentiment:  negative
Materiality: 1.00
Item codes: 1.05, 7.01, 99.1, 9.01
LLM model:  deepseek-v4-flash:cloud@v2

West Pharmaceuticals discloses material cyberattack; data exfiltrated, systems encrypted on May 4 2026
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- Incident detected May 4, 2026; determined material on May 7, 2026.
- Unauthorized party exfiltrated data and encrypted systems; company took systems offline globally for containment.
- Engaged Palo Alto Networks' Unit 42 for investigation, containment, and recovery; law enforcement notified.
- Business operations temporarily disrupted globally; core systems restored, but shipping/receiving/manufacturing restarted at some sites only.
- Financial and operational impact not yet determined; investigation ongoing.

Source:
  EDGAR index:    https://www.sec.gov/Archives/edgar/data/105770/000010577026000068/0000105770-26-000068-index.htm
  Primary doc:    https://www.sec.gov/Archives/edgar/data/105770/000010577026000068/wst-20260507.htm
  HTML page:      https://secwatch.observer/filing/0000105770-26-000068

License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer