HackingEducationEducationStolen CredentialsDelayed DiscoveryIdentity (basic)Government IDMediumContained

Carnegie Mellon University

bd_d7e9b0ee37521eac · schema v1 · pii pii-v1

Severity

Medium

Discovered

Aug 25, 2023

Filed

Jan 12, 2024

To disclose

20 weeks

Affected

Not disclosed

Linked

6 filings

Confidence

67%

Full breach record for Carnegie Mellon University →

Carnegie Mellon University notified Vermont consumers of a data security incident detected on August 25, 2023. An unauthorized third party accessed a CMU system and may have copied files containing names, Social Security numbers, and dates of birth. CMU disabled access and offered 24 months of credit monitoring via Experian.

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Vermont clock✗ VT AG >45 bday20 weeks discovery → filing

⚠ unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.

Incident timeline

discovery → filing · 20 weeks / 140 days

Aug 25, 2023

Discovered

Jan 12, 2024

Filed

vs. sector median

+10 wks slower

This filing is one of 6 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (5) · sorted by filing gap

California State AGbd_4b400de4cd0922bf2024-01-12Verified
Massachusetts State AGbd_9d2179772cf585962024-01-12Verified
Indiana State AGbd_a73a836d2c2f9a932024-01-12Verified
Maine State AGbd_e5516b04777ac61c2024-01-12Candidate

Show 1 more filing ↓

Montana State AGbd_fa71a693bd4077562024-01-12Candidate

Name: Carnegie Mellon University
norm: carnegie mellon university

Name: Carnegie Mellon University
norm: carnegie mellon university
Industry: Educationllm

Discovered: Aug 25, 2023
Materiality determined: —
Notification sent: Jan 12, 2024
Affected individuals: Not disclosed
Data types: Identity (basic)Government ID
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid Accounts
Threat actor: External
Regulator citations: collaboration with law enforcement
Initial access: valid_credentials

During the incident: Launched an investigation and recovery effort
Disabled access to the copied files
Offering you a complimentary 24-month membership in Experian® IdentityWorksSM
Changes made: Taken, and continue to take, steps to prevent this type of incident from occurring in the future
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 20 weeks(140 days from discovery to filing)
Compliance flags: VT AG >45 bday
Discovery-date grounding: unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 6 filings · 6 states

View merged incident ↗

California State AGJan 12 · first

Massachusetts State AGJan 12 · first

Indiana State AGJan 12 · first

Maine State AGJan 12 · first

Montana State AGJan 12 · first

Vermont State AGJan 12 · first · 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://ago.vermont.gov/document/2024-01-12-carnegie-mellon-university-data-breach-notice-consumers
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jan 12, 2024
Raw hash: 4cc8b3c04e8e3d7d29bd3ffb1c08d4e80772181f18ce701be569b84785f5c290

Linked disclosures

Regulatory filings (5) · sorted by filing gap

Reporting entityCarnegie Mellon University

Victim entityCarnegie Mellon University

Incidentdiscovered Aug 25, 2023

Stated responseLaunched an investigation and recovery effort

ComplianceVT AG >45 bday

Extraction provenanceno artifact recorded

Source provenanceago.vermont.gov