Nationwide Mutual Insurance Company

Nationwide Mutual Insurance Company notified California AG on Nov 16, 2012 of a data breach, which occurred on Oct 3, 2012. Data exposed: Social Security number, Driver's license / state ID, Financial / bank account, Medical / health information, Date of birth, Usernames / passwords, Email address, Phone number, Postal address, Name.

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

Organization: Nationwide Mutual Insurance Company
Source: California AG · source record
Date reported: Nov 16, 2012
Date(s) of breach: Wednesday, October 3, 2012
Residents affected: Not published by this source
Data exposed: Social Security number Driver's license / state ID Financial / bank account Medical / health information Date of birth Usernames / passwords Email address Phone number Postal address Name
Notice letter: Sample notice (PDF)
Discovered: Oct 3, 2012, as stated in the letter
"The Incident On October 3, 2012, a portion of our computer network that is used by Nationwide Insurance agents and Allied Insurance agents was criminally intruded upon by an unidentified criminal perpetrator."
Days to notice: 44 days from discovery (Oct 3, 2012) to the California record (Nov 16, 2012). Statute: 30 days from discovery or notification of the breach (Cal. Civ. Code § 1798.82). Over the statutory period
Offered in the letter: credit or identity monitoring through Experian
First seen by BreachTally: 2026-10-30 16:25 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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Data reproduced from a public government filing. Spot an error? Email support@breachtally.com with the record link. Corrections are applied and noted.