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Gilead Sciences, Inc. Data Breach

Posted on behalf of Arnold Law Firm on April 8, 2025 in Data Breach

NOTICE: If you received a NOTICE OF DATA BREACH letter from Gilead Sciences, Inc., contact the Arnold Law Firm at (916) 777-7777 to discuss your legal options, or submit a confidential Case Evaluation form here.

​​​​​On April 2, 2025, Gilead Sciences, Inc. (“Gilead”) reported a data breach incident to the California Attorney General’s Office. According to its notice, on February 18, 2025, Trusaic, a vendor assisting Gilead with Affordable Care Act compliance, discovered that its mailing distribution vendor, Billing Document Specialists (“BDS”), had inadvertently mailed 1095-C tax forms on February 7, 2025, with shipping labels displaying an 18-digit number that included recipients’ Social Security numbers (the “Data Breach”). 

Recently, Gilead began sending data breach notification letters to those affected by the Data Breach. Included in these letters is an offer of complimentary credit monitoring and identity theft protection services for impacted individuals. ​As of now, Gilead has not publicly disclosed the exact number of individuals impacted by the Data Breach. If you received a data breach notification letter from Gilead, it indicates that your information was affected by the breach. 

Founded in 1987, Gilead Sciences, Inc. is a biopharmaceutical company headquartered in Foster City, California. The company focuses on researching and developing antiviral drugs used in the treatment of HIV, hepatitis B, hepatitis C, and influenza, among others. As of 2024, Gilead employs approximately 17,600 individuals and reported annual revenue of around $28.75 billion. ​

WHAT INFORMATION IS INVOLVED IN THE GILEAD SCIENCES, INC. DATA BREACH?

The information compromised likely included the following:

  • Names,
  • Social Security numbers, 
  • Other information.

This information is called your Personally Identifiable Information (“PII”). It tells others about you and is considered part of your identity. Businesses are required to secure this information or risk facing statutory penalties, among other legal penalties. Stolen PII can be used by identity thieves to engage in fraudulent activity using your identity. 

The best way to protect yourself after a data breach is to sign up for credit and identity protection services as soon as possible. 

California offers extra protections and legal rights to its residents through the California Consumer Privacy Act (“CCPA”).

NOTICE: If you received a NOTICE OF DATA BREACH letter from Gilead Sciences, Inc., contact the Arnold Law Firm at (916) 777-7777 to discuss your legal options, or submit a confidential Case Evaluation form here.