Gilead Sciences Data Breach Affects 12,224 Individuals

On April 2, 2025, Gilead Sciences, Inc., disclosed a data breach to the U.S. Department of Health and Human Services. According to the official notification, the incident affected a total of 12,224 individuals in the United States.

The breach involved unauthorized access to sensitive information, although specific details about the method of intrusion or the responsible party have not been made public as of this writing.

The breach was reported on the U.S. Department of Health and Human Services breach portal, which tracks incidents involving medical and health-related data. The scale of the breach—impacting over twelve thousand people—makes it a significant event within the healthcare and biotechnology sector, especially given Gilead’s role in providing critical medications and therapies.

Gilead Sciences' response

Gilead Sciences, Inc. has taken steps to address the breach since its discovery and subsequent disclosure. While the company has not released a detailed public statement about the incident, standard industry practices in such situations include conducting a thorough internal investigation, securing affected systems, and cooperating with regulatory authorities.

For more information about the breach and ongoing updates, refer to the official HHS breach notification portal. If you have questions about your specific situation, consider reaching out directly to Gilead Sciences using the contact information provided in their official correspondence.