MalwareHealthcareEducationHealthcareRansomwareStolen CredentialsData ExfiltratedCustomer Data InvolvedRansom DemandedPHIHealth (basic)Identity (basic)Government IDFinancial accountCredentialsMediumContained

YALE UNIVERSITY

bd_01c31b85111e2273 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Sep 12, 2022

Filed

Nov 14, 2022

To disclose

9 weeks

Affected

1state residents only

Linked

3 filings

Confidence

66%

Full breach record for YALE UNIVERSITY →6 incidents on file

Yale University reported a ransomware incident affecting at least one New Hampshire resident. Unauthorized access occurred around August 11, 2022, detected September 12, 2022. Patient data from Connecticut Plastic Surgery Group (2009-2021) was encrypted, including PHI, SSNs, and credit card numbers. Yale notified the NH AG on Nov 11, 2022, and offered 24 months of credit monitoring.

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Incident timeline

undetected · 32 days

discovery → filing · 9 weeks / 63 days

Aug 11, 2022

Begins

Sep 12, 2022

Discovered

Nov 14, 2022

Filed

vs. sector median

2 wks faster

This filing is one of 3 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (2) · sorted by filing gap

HHS OCRbd_06a174c8c22a82032022-11-11 · +3dVerified
Massachusetts State AGbd_973e3e820bddcd732022-11-11 · +3dVerified

Name: YALE UNIVERSITY
norm: yale university
Domain: yale.edu

Name: YALE UNIVERSITY
norm: yale university
Domain: yale.edu
Industry: HealthcarellmEducationllm

Discovered: Sep 12, 2022
Breach occurred: Aug 11, 2022
Undetected for: 32 daysoccurrence → discovery
Materiality determined: —
Notification sent: Nov 11, 2022
Affected individuals: 1state-resident count only
Data types: PHIHealth (basic)Identity (basic)Government IDFinancial accountCredentials
Data elements: Social Security numberDate of birthMedical information
Attack vector: Ransomware
MITRE ATT&CK: T1486 Data Encrypted for ImpactT1078 Valid Accounts
Threat actor: ExternalFinancial
Regulator citations: Notified Attorney General John Formella
Initial access: valid_credentials

During the incident: Conducted an in-depth investigation into the incident
Offering identity monitoring services through our partner Kroll, at no cost for 24 months
Changes made: Reviewing computer security at Yale Medicine practice groups
Improving procedures for securing computers owned by practices that join Yale Medicine
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 9 weeks(63 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 3 filings · 3 states

View merged incident ↗

HHS OCRNov 11 · first

Massachusetts State AGNov 11 · first

New Hampshire State AG+3d · this page

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://mm.nh.gov/files/uploads/doj/remote-docs/yale-university-20221114.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Nov 14, 2022
Raw hash: b783371d2e875d078a4894d67171985e2684adeca203ecdba59f9b81e3368ffe

Linked disclosures

Regulatory filings (2) · sorted by filing gap

Reporting entityYALE UNIVERSITY

Victim entityYALE UNIVERSITY

Incidentdiscovered Sep 12, 2022

Stated responseConducted an in-depth investigation into the incident

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov