Every public data breach

Disclosed this week47On record26,367

47 disclosed this week · 26,367 on record

Allstate Insurance

Disclosed Nov 18, 20161,109 affectedConfirmed

Official notice

What is known

People affected1,109 (as reported by the organization)
DisclosedNov 18, 2016
HappenedDec 21, 2017
AttackNot stated
Data exposedNot stated
SectorInsurance · US
StatusConfirmed

Sources

Official noticein.gov
Indiana Attorney General 2019 data breach report: Allstate Insurance
Official noticein.gov
Indiana Attorney General 2017 data breach report: Allstate Insurance
Official noticein.gov
Indiana Attorney General 2016 data breach report: Allstate Insurance

Notices filed

Residents of INNov 18, 2016
Indiana AG6 people
Residents of INApr 7, 2017
Indiana AG1 person
Residents of INApr 10, 2019
Indiana AG7 people

Other breaches at Allstate Insurance

Breach, details not statedBreach notice filed with the Indiana AG, details not stated.2,604 affectedInsuranceUSAug 5Hacking breachHacking, data exposed not stated. Reported to the Washington AG.InsuranceUSMar 14, 2023Breach, details not statedBreach notice filed with the Indiana AG, details not stated.1,707 affectedInsuranceUSFeb 24, 2021
History of this record
records2026-09-25
358 to 1109by backfillSource
disclosed2026-09-25
2017-04-07 to 2016-11-18by backfillSource
records2026-09-25
55 to 358by backfillSource
disclosed2026-09-25
2019-04-10 to 2017-04-07by backfillSource
Added2026-09-25
First recordedby backfillSource

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

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