Nationwide Mutual Insurance

Disclosed Aug 21, 20233 years ago1,669 affectedConfirmed

Official notice

What is known

People affected	1,669 (as reported by the organization)
Disclosed	Aug 21, 2023
Happened	May 29, 2023
Attack	Not stated
Data exposed	Not stated
Sector	Insurance · US
Status	Confirmed

Sources

Source	Kind
Indiana Attorney General 2023 data breach report: Nationwide Mutual Insurancein.gov · Official notice	Official notice

Notices filed

Where	Filed	People
Indiana AGresidents of IN	Aug 21, 2023	28

Other breaches at Nationwide Mutual Insurance

Breach	Disclosed	Attack	Sector	Status	Affected
Unpatched system breach exposed 1.27M quote applicants; USD 5.5M multistate settlementApr 4, 20179 years agoHacking	Apr 4, 20179 years ago	Hacking	Insurance	Settled	1.3M
Disclosed Nov 16, 2012Nov 16, 201213 years ago	Nov 16, 201213 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 Nationwide Mutual Insurance

New breaches by email

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