LatestStatesCompaniesPricingAPIData Start free trial

Latest / California / August 2018

Capital One

Capital One notified California AG on Aug 9, 2018 of a data breach, which occurred on Jan 27, 2017. Data exposed: Social Security number, Financial / bank account, Date of birth, Phone number, Postal address, Name.

All 10 filings by Capital One, state by state · Case file (dates, days to notice against the statute, what the letter offers, prior incidents)

Organization
Capital One
Source
California AG · source record
Date reported
Aug 9, 2018
Date(s) of breach
Friday, January 27, 2017
Residents affected
Not published by this source
Data exposed
Social Security number Financial / bank account Date of birth Phone number Postal address Name
Notice letter
Sample notice (PDF)
Days to notice
559 days from the end of the breach window (Jan 27, 2017, no discovery date in the letter) to the California record (Aug 9, 2018). Statute: 30 days from discovery or notification of the breach (Cal. Civ. Code § 1798.82).
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 16:14 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 16:14 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.

Other filings by Capital One

OrganizationSourceStateReportedResidents affectedData exposed
Capital One Massachusetts OCABR MA Jan 28, 2026 1 Financial / bank account
Capital One Massachusetts OCABR MA Jan 26, 2026 1 Financial / bank account
Capital One Massachusetts OCABR MA Jan 23, 2026 1,451 Financial / bank account
Capital One Oregon DOJ OR May 26, 2023 16,779 Not stated
Capital One California AG CA Mar 26, 2021 Not published In the letter (PDF)
Capital One Oregon DOJ OR Sep 16, 2019 Not published Not stated
Capital One California AG CA Sep 11, 2019 Not published In the letter (PDF)
Capital One California AG CA Aug 12, 2019 Not published Social Security numberDate of birthTax ID / EIN / ITINName
Capital One California AG CA Feb 6, 2017 Not published Financial / bank accountUsernames / passwordsPostal addressName

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