HackingEducationEducationData ExfiltratedCustomer Data InvolvedIdentity (basic)PIIHighContained

Marymount Manhattan College

bd_e0aca274db9d116f · schema v1 · pii pii-v1

Severity

High

Discovered

Nov 12, 2021

Filed

Aug 3, 2022

To disclose

38 weeks

Affected

191,581

Linked

10 records

Confidence

66%

Full breach record for Marymount Manhattan College →

Marymount Manhattan College notified 191,581 individuals that an unknown actor gained unauthorized access to and obtained data from the college's network. The incident was discovered on November 12, 2021, following a network disruption. Affected data includes names and other personal information. The college engaged cybersecurity experts, reported the incident to the FBI, and implemented additional security features. Complimentary credit monitoring and identity protection services are being offered.

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Leak gap clock✗ Leak >180d38 weeks discovery → filing

Incident timeline

discovery → filing · 38 weeks / 264 days

Nov 12, 2021

Discovered

Aug 3, 2022

Filed

This filing is one of 10 records about the same incident.View merged incident

A leak claim by conti about this victim was first seen 260 days before this filing.View originating leak claim

Linked disclosures

Why this link?

Ransomware claims (1)

Leak Sitecontibd_d8037889dd5eb2182021-11-16 · +260dVerified by operator

Regulatory filings (8) · sorted by filing gap

Oregon State AGbd_2834d42f9f35cecd2022-08-03Verified by operator
Washington State AGbd_2f79fd085919e80f2022-08-03Verified
Maine State AGbd_6ca5c664e228016a2022-08-03Verified by operator
Massachusetts State AGbd_77eaeebaafde38102022-08-03Verified by operator

Show 4 more filings ↓up to 26d gap

Montana State AGbd_a908f58626ff956c2022-08-03Verified
Indiana State AGbd_dba28ad85e1dada02022-08-03Verified by operator
California State AGbd_eca2904e9c4a74382022-08-03Candidate
Maine State AGbd_a75047f6c68670742022-08-29 · +26dVerified

Name: Marymount Manhattan College
norm: marymount manhattan college

Name: Marymount Manhattan College
norm: marymount manhattan college
Industry: Educationllm

Discovered: Nov 12, 2021
Materiality determined: —
Notification sent: Aug 3, 2022
Affected individuals: 191,581nationwide
Data types: Identity (basic)PII
Attack vector: Unknown
MITRE ATT&CK: T1078 Valid Accounts
Threat actor: External
Regulator citations: Reported the incident to the Federal Bureau of Investigation

During the incident: Took steps to secure the network environment
Engaged cybersecurity experts to conduct an investigation
Reported the incident to the Federal Bureau of Investigation
Implemented additional security features to reduce the risk of a similar incident occurring in the future
Offering complimentary credit monitoring and identity protection services for 12/24 months through IDX
Changes made: Implemented additional security features to reduce the risk of a similar incident occurring in the future
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 38 weeks(264 days from discovery to filing)
Compliance flags: Leak >180d
Discovery-date grounding: letter-groundedThe discovery date is the detection date narrated in the notification letter — the defensible tier.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 9 filings · 8 states

View merged incident ↗

Oregon State AGAug 3 · first

Washington State AGAug 3 · first

Maine State AGAug 3 · first

Massachusetts State AGAug 3 · first

Montana State AGAug 3 · first

Indiana State AGAug 3 · first

California State AGAug 3 · first

Delaware State AGAug 3 · first · this page

Maine State AG+26d

Pattern: first filing Aug 3 (OR), last Aug 29 (ME) — a 26-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

Evidence ladder

Leak-site claim

Attacker assertion only. Establishes: claim date, group, alleged victim.

Press / market report

Unlocks: incident narrative, operational impact. Still no compliance clock.

State AG / regulator filingThis record

Unlocks: discovery date, data types, affected count, compliance clock.

SEC 8-K / victim statement

Unlocks: materiality, stated response, full audit trail. Ceiling removed.

Source URL: https://attorneygeneral.delaware.gov/wp-content/uploads/sites/50/2022/08/Marymount-Manhattan-College-Consumer-Notification-Letter-General.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Aug 3, 2022
Raw hash: a7633b048b93d549885f5c7609648cc7c5be8bff2bddd5c4ec210a707114a716

Linked disclosures

Ransomware claims (1)

Regulatory filings (8) · sorted by filing gap

Reporting entityMarymount Manhattan College

Victim entityMarymount Manhattan College

Incidentdiscovered Nov 12, 2021

Stated responseTook steps to secure the network environment

ComplianceLeak >180d

Extraction provenanceno artifact recorded

Source provenanceattorneygeneral.delaware.gov