Every public data breach

Disclosed this week44On record26,355

44 disclosed this week · 26,355 on record

Marymount Manhattan College

Disclosed Aug 3, 2022191,752 affectedConfirmed

Official notice

What is known

People affected191,752 (as reported by the organization)
DisclosedAug 3, 2022
DiscoveredNov 12, 2021
HappenedNov 9, 2021
AttackRansomware
Data exposedNamesGovernment IDsHealthInsuranceCredentials and tokens
SectorEducation · US
StatusConfirmed

Sources

Official noticeoag.ca.gov
California Attorney General breach notice: Marymount Manhattan College
Official noticeatg.wa.gov
Washington Attorney General breach notice: Marymount Manhattan College
Official noticeattorneygeneral.delaware.gov
Notice letter filed with the Delaware DOJ: Marymount Manhattan College
Official noticejustice.oregon.gov
Oregon DOJ breach notice: Marymount Manhattan College
Official noticein.gov
Indiana Attorney General 2022 data breach report: Marymount Manhattan College

Notices filed

Residents of CAAug 3, 2022
California AGCount not stated
Residents of WAAug 3, 2022
Washington AG1,016 people
Residents of DEAug 3, 2022
Delaware DOJ621 people
Residents of ORAug 3, 2022
Oregon DOJ191,581 people
Residents of INAug 3, 2022
Indiana AG523 people

Other breaches at Marymount Manhattan College

2021 breach hit nearly 100,000 students and alumni; USD 3.5M security investmentHacking exposed names, education records and Social Security numbers.Hacking100K affectedEducationUSSep 21, 2023
History of this record
records2026-09-25
191581 to 191752by backfillSource
data_types2026-09-25
[] to ["names","government-id","health","insurance","credentials"]by backfillSource
records_basis2026-09-25
empty to organizationby backfillSource
records2026-09-25
empty to 191581by backfillSource
attack2026-09-25
unknown to ransomwareby backfillSource
discovered2026-09-25
empty to 2021-11-12by backfillSource
Added2026-09-25
First recordedby backfillSource

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

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