Sentry Insurance

Disclosed Jul 11, 201313 years agoConfirmed

Official notice

What is known

People affected	Not stated in the sources we have
Disclosed	Jul 11, 2013
Happened	Jul 2, 2013
Attack	Not stated
Data exposed	Names, Social Security numbers, Names
Sector	Insurance · US
Status	Confirmed

Sources

Source	Kind
Maine Attorney General breach notice archive: Sentry Insurancemaine.gov · Official notice	Official notice

Notices filed

Where	Filed	People
Maine AGresidents of ME	Jul 11, 2013	1

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 Mar 5, 2021Mar 5, 20215 years ago	Mar 5, 20215 years ago	Not stated	Insurance	Confirmed	3,146

History of this record

2026-09-25 · added · backfill source

First seen 2026-09-25 (Maine AG), confirmed by Maine 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.