Back to News
May 12, 2026 4:01 PM

Investors Await Damage Assessment After West Pharmaceutical Cyberattack

West Pharmaceutical Services Inc. (NYSE:WST) on Monday disclosed a material cybersecurity attack on May 7, saying an unauthorized party exfiltrated data and encrypted certain systems.

After detecting the intrusion on May 4, the company activated incident response protocols, took systems offline globally to contain the breach, notified law enforcement, and hired external cyber-forensic experts.

Read Also:

West Pharmaceutical Lifts Annual Guidance After Strong GLP-1 Driven Growth In Q1

West Pharmaceutical Restores Core Systems As Investigation Continues

The investigation into the scope of the attack and impacted data remains ongoing.

The incident temporarily disrupted global operations, the company noted in an SEC filing.

The pharmaceutical packaging company said it has restored core enterprise systems, while shipping, receiving, and ...