Vanguard Group

Disclosed Dec 23, 201510 years ago1 affectedConfirmed

Official notice

What is known

People affected	1 (as reported by the organization)
Disclosed	Dec 23, 2015
Happened	Dec 3, 2015
Attack	Not stated
Data exposed	Not stated
Sector	Other · US
Status	Confirmed

Sources

Source	Kind
Indiana Attorney General 2016 data breach report: Vanguard Groupin.gov · Official notice	Official notice
Indiana Attorney General 2015 data breach report: Vanguard Groupin.gov · Official notice	Official notice

Notices filed

Where	Filed	People
Indiana AGresidents of IN	Dec 23, 2015	1
Indiana AGresidents of IN	Feb 25, 2016	1
Indiana AGresidents of IN	Apr 21, 2016	1

Other breaches at Vanguard Group

Breach	Disclosed	Attack	Sector	Status	Affected
Disclosed Mar 6, 2018Mar 6, 20188 years ago	Mar 6, 20188 years ago	Not stated	Other	Confirmed	1
Disclosed Apr 5, 2017Apr 5, 20179 years ago	Apr 5, 20179 years ago	Not stated	Other	Confirmed	1
Disclosed Feb 24, 2014Feb 24, 201412 years ago	Feb 24, 201412 years ago	Not stated	Other	Confirmed	59
Disclosed Apr 10, 2013Apr 10, 201313 years ago	Apr 10, 201313 years ago	Not stated	Other	Confirmed	Unknown

History of this record

2026-09-25 · disclosed: 2016-02-25 to 2015-12-23 · backfill source
2026-09-25 · occurred: empty to 2015-12-03 · 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 Vanguard Group

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