Allstate Insurance

Disclosed Nov 18, 20169 years ago1,109 affectedConfirmed

Official notice

What is known

People affected	1,109 (as reported by the organization)
Disclosed	Nov 18, 2016
Happened	Dec 21, 2017
Attack	Not stated
Data exposed	Not stated
Sector	Insurance · US
Status	Confirmed

Sources

Source	Kind
Indiana Attorney General 2019 data breach report: Allstate Insurancein.gov · Official notice	Official notice
Indiana Attorney General 2017 data breach report: Allstate Insurancein.gov · Official notice	Official notice
Indiana Attorney General 2016 data breach report: Allstate Insurancein.gov · Official notice	Official notice

Notices filed

Where	Filed	People
Indiana AGresidents of IN	Nov 18, 2016	6
Indiana AGresidents of IN	Apr 7, 2017	1
Indiana AGresidents of IN	Apr 10, 2019	7

Other breaches at Allstate Insurance

Breach	Disclosed	Attack	Sector	Status	Affected
Disclosed Mar 14, 2023Mar 14, 20233 years agoHacking	Mar 14, 20233 years ago	Hacking	Insurance	Confirmed	Unknown
Disclosed Feb 24, 2021Feb 24, 20215 years ago	Feb 24, 20215 years ago	Not stated	Insurance	Confirmed	1,707

History of this record

2026-09-25 · records: 358 to 1109 · backfill source
2026-09-25 · disclosed: 2017-04-07 to 2016-11-18 · backfill source
2026-09-25 · records: 55 to 358 · backfill source
2026-09-25 · disclosed: 2019-04-10 to 2017-04-07 · backfill source
2026-09-25 · added · backfill source

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

Everything about Allstate Insurance

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