MalwareEducationEducationRansomwareData EncryptedTargetedIdentity (basic)PIILowContained

Stanford University

bd_6c733f263a4412bc · schema v1 · pii pii-v1

Severity

Low

Discovered

Sep 27, 2023

Filed

Mar 11, 2024

To disclose

24 weeks

Affected

Not disclosed

Linked

6 filings

Confidence

66%

Full breach record for Stanford University →8 incidents on file

Stanford University's Department of Public Safety experienced a ransomware attack between May 12 and September 27, 2023. Unauthorized access was gained to the network, potentially impacting personal information including names and other identifiers. Stanford notified law enforcement, engaged forensic investigators, and offered 24 months of identity theft protection. Approximately 9 Rhode Island residents were identified as affected.

J jump to incidentP pin to compareR raw source

Vermont clock✗ VT AG >45 bday24 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

undetected · 138 days

discovery → filing · 24 weeks / 166 days

May 12, 2023

Begins

Sep 27, 2023

Discovered

Mar 11, 2024

Filed

vs. sector median

+17 wks slower

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

A leak claim by cl0p about this victim predates this filing by 444 days.View originating leak claim

Linked disclosures

Why this link?

Ransomware claims (1)

Leak Siteakirabd_c456cec6ac50c0ce2023-10-27 · +136dCandidate

Regulatory filings (4) · sorted by filing gap

Massachusetts State AGbd_1f689b306e32c7272024-03-11Candidate
Indiana State AGbd_444b5eabd69c11122024-03-11Verified
California State AGbd_627185d1ce32a5ef2024-03-11Verified
Maine State AGbd_d0676eeba016b1812024-03-11Verified

Name: Stanford University
norm: stanford university
Domain: stanford.edu

Name: Stanford University
norm: stanford university
Domain: stanford.edu
Industry: Educationllm

Discovered: Sep 27, 2023
Breach occurred: May 12, 2023 – Sep 27, 2023
Undetected for: 138 daysoccurrence → discovery
Materiality determined: —
Notification sent: Mar 11, 2024
Affected individuals: Not disclosed
Data types: Identity (basic)PII
Attack vector: Ransomware
MITRE ATT&CK: T1486 Data Encrypted for ImpactT1078 Valid Accounts
Threat actor: ExternalFinancial
Initial access: valid_credentials

During the incident: Notified federal and local law enforcement
Began investigating the incident with the assistance of a respected forensic investigator
Worked with external cybersecurity experts to terminate the unauthorized access
Offering identity theft protection services through IDX, a ZeroFox company
Changes made: Further enhancing its security safeguards
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 24 weeks(166 days from discovery to filing)
Compliance flags: VT AG >45 bdayLeak >180d
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 · 5 filings · 5 states

View merged incident ↗

Massachusetts State AGMar 11 · first

Indiana State AGMar 11 · first

California State AGMar 11 · first

Maine State AGMar 11 · first

Vermont State AGMar 11 · 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/2024-03-11-stanford-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: Mar 11, 2024
Raw hash: 9667ba05239ea033797852d5ad4e52717c2d3167bcf9d7bec88aea8453e922d3

Linked disclosures

Ransomware claims (1)

Regulatory filings (4) · sorted by filing gap

Reporting entityStanford University

Victim entityStanford University

Incidentdiscovered Sep 27, 2023

Stated responseNotified federal and local law enforcement

ComplianceVT AG >45 bday

Extraction provenanceno artifact recorded

Source provenanceago.vermont.gov