Amgen Data Breach Exposes Sensitive Information in Cloud Environments

Amgen Inc., a major biotechnology and pharmaceutical company, has disclosed a data breach that exposed sensitive information. The breach occurred in July 2026, when Amgen identified unauthorized activity involving data stored in cloud environments hosted by third-party providers.

The investigation found that data had been exfiltrated from these external cloud systems, including proprietary company data, patient protected health information, and other sensitive information.

Amgen reported the incident to the U.S. Securities and Exchange Commission on July 29, 2026, under Item 1.03 of Form 8-K, which is used for material cybersecurity incidents that could affect investors and the public.