Amgen Inc. Data Breach Investigation
Stueve Siegel Hanson, a national leader in data breach and privacy cases, is investigating potential claims against Amgen Inc., one of the world’s largest biotechnology companies, resulting from a data breach that exposed patients’ protected health information and other personal information.
If you receive a notification that your personal information may have been compromised in this breach, please fill out a contact form below.
Amgen Inc. Data Breach
Amgen Inc. is a California-based drug manufacturer that develops and manufactures medicines for illnesses, including cancer, cardiovascular disease, inflammation, and rare diseases.
On July 31, 2026, Amgen filed a notice with the U.S. Securities and Exchange Commission disclosing that, in July 2026, it identified unauthorized activity involving data stored in cloud environments hosted by third-party cloud service providers. According to Amgen, this data—including patient protected health information and other information—was exfiltrated from these cloud environments.
While the full scope and impact of the breach has not yet been revealed, Amgen disclosed that it continues to assess whether, and to what extent, patient information or other information may have been accessed, acquired, or exfiltrated.
Affected individuals are at serious risk.
WHAT YOU CAN DO
If you receive a notification that your personal information may have been compromised in this breach, please contact our team by filling out the contact form below.
ABOUT STUEVE SIEGEL HANSON
Stueve Siegel Hanson attorneys have represented data breach victims in many of the nation’s largest data breach class actions, including cases against Equifax, T-Mobile, Capital One and many others – securing much-needed relief for millions of affected consumers.
The firm’s Data Breach and Privacy class action practice has received local and national recognition, including being named a Cybersecurity & Privacy Practice Groups of the Year by Law360, which recognizes practice groups that “worked on the biggest deals or achieved the biggest wins in the most important cases.”
Amgen Inc. Data Breach Investigation
