DisclosureLens
HackingEducationEducationData ExfiltratedCustomer Data InvolvedIdentity (basic)Government IDMediumContained

Carnegie Mellon University

bd_4b400de4cd0922bf · 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

64%
Full breach record for Carnegie Mellon University

Carnegie Mellon University detected suspicious activity on August 25, 2023, revealing unauthorized third-party access to a computer system. The attacker may have copied files containing names, social security numbers, and dates of birth. CMU disabled access to the files and collaborated with law enforcement. Affected individuals are offered 24 months of Experian IdentityWorks credit monitoring.

California clockDiscovered Aug 25, 2023Notified Jan 12, 2024140d CA 60-day late20 weeks discovery → filing

Incident timeline

undetected · 1 days
discovery → filing · 20 weeks / 140 days

Aug 24, 2023

Begins

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

Show 1 more filing

Filing propagation · 6 filings · 6 states

View merged incident ↗
Massachusetts State AGJan 12 · first
Indiana State AGJan 12 · first
Vermont State AGJan 12 · first
Maine State AGJan 12 · first
Montana State AGJan 12 · first
California 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.