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Latest / California / September 2021

Coinbase, Inc.

Coinbase, Inc. notified California AG on Sep 27, 2021 of a data breach, which occurred on Mar 17, 2021. Data exposed: Email address, Name.

All 2 filings by Coinbase, Inc., state by state · Case file (dates, days to notice against the statute, what the letter offers, prior incidents)

Organization
Coinbase, Inc.
Source
California AG · source record
Date reported
Sep 27, 2021
Date(s) of breach
Wednesday, March 17, 2021
Residents affected
Not published by this source
Data exposed
Email address Name
Notice letter
Sample notice (PDF)
Days to notice
194 days from the end of the breach window (Mar 17, 2021, no discovery date in the letter) to the California record (Sep 27, 2021). Statute: 30 days from discovery or notification of the breach (Cal. Civ. Code § 1798.82).
Offered in the letter
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 16:05 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 16:05 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.
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Other filings by Coinbase, Inc.

OrganizationSourceStateReportedResidents affectedData exposed
Coinbase, Inc. California AG CA May 20, 2025 Not published Social Security numberDriver's license / state IDPassport numberFinancial / bank account+7

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