Capital One

Capital One notified California AG on Feb 6, 2017 of a data breach. Data exposed: Financial / bank account, Usernames / passwords, Postal address, Name.

Organization: Capital One
Source: California AG · source record
Date reported: Feb 6, 2017
Date(s) of breach: n/a
Residents affected: Not published by this source
Data exposed: Financial / bank account Usernames / passwords Postal address Name
Notice letter: Sample notice (PDF)
First seen by BreachTally: 2026-10-30 16:18 UTC

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

Other filings by Capital One

Organization	Source	State	Reported	Residents affected	Data 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	California AG	CA	Mar 26, 2021	Not published	In the letter (PDF)
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	Aug 9, 2018	Not published	Social Security numberFinancial / bank accountDate of birthPhone number+2

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