Amgen detects breach in cloud, probes patient data leak

Amgen Inc. reported a material cybersecurity incident to the SEC on July 29, 2026. Unauthorized activities were detected involving data in third-party cloud environments. The company activated its cybersecurity response plan and engaged forensic experts. Some proprietary and patient data was exfiltrated; however, there has been no identified impact on product operations or financial reporting. The investigation continues, and the company is assessing the extent of data accessed and potential impacts.

As of the report, Amgen believes the incident will not materially affect its financial condition. It emphasizes its commitment to safeguarding patient data and is evaluating legal notification requirements.