Cornerstone National Insurance Company

Cornerstone National Insurance Company notified California AG on Aug 5, 2022 of a data breach, which occurred on Nov 29, 2021. Data exposed: Usernames / passwords, Name.

All 2 filings by Cornerstone National Insurance Company, state by state · Case file (dates, days to notice against the statute, what the letter offers, prior incidents)

Organization: Cornerstone National Insurance Company
Source: California AG · source record
Date reported: Aug 5, 2022
Date(s) of breach: Monday, November 29, 2021
Residents affected: Not published by this source
Data exposed: Usernames / passwords Name
Notice letter: Sample notice (PDF)
Discovered: Nov 29, 2021, as stated in the letter
"On November 29, 2021, Cornerstone became aware that an unauthorized third party gained access to certain agent user accounts and leveraged this access to run unauthorized searches in these subscription databases."
Days to notice: 249 days from discovery (Nov 29, 2021) to the California record (Aug 5, 2022). 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 16:01 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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Other filings by Cornerstone National Insurance Company

Organization	Source	State	Reported	Residents affected	Data exposed
Cornerstone National Insurance Company	Oregon DOJ	OR	Aug 5, 2022	Not published	Not stated

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