Latest / California / April 2025

Gilead Sciences, Inc.

Gilead Sciences, Inc. notified California AG on Apr 2, 2025 of a data breach, which occurred on Feb 21, 2025. Data exposed: Social Security number, Postal address, Name.

Case file (dates, days to notice against the statute, what the letter offers, prior incidents)

Organization
Gilead Sciences, Inc.
Source
California AG · source record
Date reported
Apr 2, 2025
Date(s) of breach
Wednesday, February 12, 2025Friday, February 21, 2025
Residents affected
Not published by this source
Data exposed
Social Security number Postal address Name
Notice letter
Sample notice (PDF)
Discovered
Feb 18, 2025, as stated in the letter
"On February 18, 2025, Trusaic discovered that BDS inadvertently mailed 1095-C tax forms containing visible personal information in the shipping label."
Days to notice
43 days from discovery (Feb 18, 2025) to the California record (Apr 2, 2025). Statute: 30 days from discovery or notification of the breach (Cal. Civ. Code § 1798.82). Over the statutory period
Offered in the letter
24 months of credit or identity monitoring through Experian
Third party
The letter attributes the incident to a vendor or service provider
First seen by BreachTally
2026-10-30 15:31 UTC

Dates and counts as filed by the organization with the agency. The breach window and the report date often differ by months.

First seen by BreachTally at 15:31 UTC on Oct 30, 2026. New filings reach paid subscribers within 30 minutes of the agency posting, with the count, the data exposed and the letter. Start a 14-day free trial. We email you two days before the first charge and you cancel in one click.
Not today? Take the free Monday digest: the week's filings by state and the largest by people affected. Once a week.

Data reproduced from a public government filing. Spot an error? Email support@breachtally.com with the record link. Corrections are applied and noted.