Marymount Manhattan College

Disclosed Aug 3, 20224 years ago191,752 affectedConfirmed

Official notice

What is known

People affected	191,752 (as reported by the organization)
Disclosed	Aug 3, 2022
Discovered	Nov 12, 2021
Happened	Nov 9, 2021
Attack	Ransomware
Data exposed	Names, Government IDs, Health, Insurance, Credentials and tokens
Sector	Education · US
Status	Confirmed

Sources

Source	Kind
California Attorney General breach notice: Marymount Manhattan Collegeoag.ca.gov · Official notice	Official notice
Washington Attorney General breach notice: Marymount Manhattan Collegeatg.wa.gov · Official notice	Official notice
Notice letter filed with the Delaware DOJ: Marymount Manhattan Collegeattorneygeneral.delaware.gov · Official notice	Official notice
Oregon DOJ breach notice: Marymount Manhattan Collegejustice.oregon.gov · Official notice	Official notice
Indiana Attorney General 2022 data breach report: Marymount Manhattan Collegein.gov · Official notice	Official notice

Notices filed

Where	Filed	People
California AGresidents of CA	Aug 3, 2022
Washington AGresidents of WA	Aug 3, 2022	1,016
Delaware DOJresidents of DE	Aug 3, 2022	621
Oregon DOJresidents of OR	Aug 3, 2022	191,581
Indiana AGresidents of IN	Aug 3, 2022	523

Other breaches at Marymount Manhattan College

Breach	Disclosed	Attack	Sector	Status	Affected
2021 breach hit nearly 100,000 students and alumni; USD 3.5M security investmentSep 21, 20233 years agoHacking	Sep 21, 20233 years ago	Hacking	Education	Settled	100K

History of this record

2026-09-25 · records: 191581 to 191752 · backfill source
2026-09-25 · data_types: [] to ["names","government-id","health","insurance","credentials"] · backfill source
2026-09-25 · records_basis: empty to organization · backfill source
2026-09-25 · records: empty to 191581 · backfill source
2026-09-25 · attack: unknown to ransomware · backfill source
2026-09-25 · discovered: empty to 2021-11-12 · backfill source
2026-09-25 · added · backfill source

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

Everything about Marymount Manhattan College

New breaches by email

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