Dynavax Technologies Corporation

Dynavax Technologies Corporation notified California AG on Jul 24, 2020 of a data breach, which occurred on Feb 28, 2020.

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

Organization: Dynavax Technologies Corporation
Source: California AG · source record
Date reported: Jul 24, 2020
Date(s) of breach: Friday, February 28, 2020
Residents affected: Not published by this source
Data exposed: Not stated in the source listing
Notice letter: Sample notice (PDF)
Discovered: Feb 28, 2020, as stated in the letter
"Our ongoing investigation into a phishing email incident recently determined that an unauthorized individual gained access to a Dynavax employee’s email account for a brief period of time on February 28, 2020."
Days to notice: 147 days from discovery (Feb 28, 2020) to the California record (Jul 24, 2020). Statute: 30 days from discovery or notification of the breach (Cal. Civ. Code § 1798.82). Over the statutory period
Offered in the letter: 12 months of credit or identity monitoring through Experian
First seen by BreachTally: 2026-10-30 16:10 UTC

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

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