Every public data breach

Disclosed this week47On record26,367

47 disclosed this week · 26,367 on record

Nationwide Mutual Insurance

Disclosed Apr 4, 20171,270,000 affectedSettled

Official notice

Unpatched system breach exposed 1.27M quote applicants; USD 5.5M multistate settlement

An October 2012 breach, which states alleged resulted from failing to apply a critical security patch, exposed Social Security numbers, driver's license numbers and credit data of 1.27 million consumers who sought insurance quotes. Nationwide settled with 33 states for USD 5.5M.

What is known

People affected1,270,000 (as reported by the organization)
DisclosedApr 4, 2017
HappenedMar 15, 2017
AttackHacking
Data exposedSocial Security numbersGovernment IDsFinancialNames
SectorInsurance · US
StatusSettled
Lawsuit or fineUSD 5.5M 33-state AG settlement (Aug 2017) (about $5.5M)

Sources

Regulatorag.ny.gov
NY AG: USD 5.5 Million Multi-State Settlement With Nationwide Mutual
Official noticein.gov
Indiana Attorney General 2017 data breach report: Nationwide Mutual Insurance

Notices filed

Residents of INApr 4, 2017
Indiana AG2 people
TotalAug 9, 2017
Research1,270,000 people

Other breaches at Nationwide Mutual Insurance

Breach, details not statedBreach notice filed with the Indiana AG, details not stated.1,669 affectedInsuranceUSAug 21, 2023Breach, details not statedBreach notice filed with the California AG, details not stated.InsuranceUSNov 16, 2012
History of this record
disclosed2026-09-25
2017-08-09 to 2017-04-04by backfillSource
occurred2026-09-25
empty to 2017-03-15by backfillSource
Added2026-09-25
First recordedby seedSource

First seen 2026-09-25 (Research), confirmed by Research. Record counts are as reported. Not legal advice.

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