Amgen Says Cloud Breach Exposed Patient and Proprietary Data

Summary
Amgen says attackers stole patient health and proprietary data from cloud environments operated by third-party providers. The company is investigating and assessing who may be affected.
Key points
- Amgen detected unauthorized activity in its third-party cloud environments in July 2026.
- The company says its investigation found that attackers exfiltrated proprietary data, patient protected health information, and other information.
- Amgen is still assessing whether confidential business information, intellectual property, research and development data, or additional patient information was accessed or stolen.
- The company has not disclosed the affected cloud providers, how the environments were compromised, the number of people affected, or a known threat actor.
- Amgen activated its response plan, implemented containment measures, and engaged independent cybersecurity experts to investigate.
- Amgen is evaluating legal and regulatory notification requirements and says it will notify affected patients where required.
Article Details
- Victim Organization
- Amgen
- Incident Type
- Data breach involving exfiltration of data from third-party cloud environments
- Disclosure Date
- 2026-07-31
- Data Types Exposed
- Patient protected health information
- Proprietary data
- Potentially confidential business information, intellectual property, research and development data, and additional patient information; whether these were accessed or stolen is still being determined
- Operational Impact
- Amgen activated its cybersecurity response plan, implemented containment measures, and engaged independent forensic experts. The investigation is ongoing. Amgen does not currently believe the incident is reasonably likely to materially affect its financial condition or operating results.
- Ransom Or Extortion
- Unknown. The article asks whether Amgen was contacted or extorted by actors claiming to be ShinyHunters, but reports no response or confirmation.
- Claim Status
- confirmed
Industries
BiotechnologyAmgen is a California-based biotechnology company that develops and manufactures medicines for serious illnesses, including cancer, cardiovascular disease, inflammation, and rare diseases.pharmaceuticalPharmaceutical company Amgen says it suffered a data breach after threat actors stole corporate data and patient information stored in multiple cloud systems operated by third-party service providers.