Sentry Insurance

Disclosed Mar 5, 20215 years ago3,146 affectedConfirmed

Official notice

What is known

People affected	3,146 (as reported by the organization)
Disclosed	Mar 5, 2021
Happened	Oct 14, 2020
Attack	Not stated
Data exposed	Not stated
Sector	Insurance · US
Status	Confirmed

Sources

Source	Kind
Indiana Attorney General 2021 data breach report: Sentry Insurancein.gov · Official notice	Official notice

Notices filed

Where	Filed	People
Indiana AGresidents of IN	Mar 5, 2021	29

Other breaches at Sentry Insurance

Breach	Disclosed	Attack	Sector	Status	Affected
Disclosed Dec 5, 2025Dec 5, 20259 months ago	Dec 5, 20259 months ago	Not stated	Insurance	Confirmed	34
Disclosed Jul 11, 2013Jul 11, 201313 years ago	Jul 11, 201313 years ago	Not stated	Insurance	Confirmed	Unknown

History of this record

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 Sentry Insurance

New breaches by email

Wednesdays, only in weeks with newly disclosed breaches, the largest first.