Amgen Discloses Cybersecurity Incident Involving Unauthorized Cloud Access

Amgen Inc., a biopharmaceutical company based in Thousand Oaks, CA, has disclosed a cybersecurity incident involving unauthorized access to third-party-hosted cloud storage systems.

The investigation determined that hackers gained access to certain cloud systems in July 2026 and exfiltrated proprietary data, patients' protected health information, and other sensitive information.

Amgen immediately implemented its cybersecurity response plan and engaged third-party digital forensics experts to determine the nature and scope of the unauthorized activity.

The company has not yet determined the exact nature of the attack or how the cloud systems were compromised.