MalwareEducationEducationRansomwareData EncryptedTargetedPIILowContained

Antioch University

bd_5bac71a2b97f19c1 · schema v1 · pii pii-v1

Severity

Low

Discovered

Aug 11, 2023

Filed

Jul 10, 2024

To disclose

48 weeks

Affected

Not disclosed

Linked

6 filings

Confidence

65%

Full breach record for Antioch University →2 incidents on file

Coalition for the Common Good dba Antioch University notified consumers of a ransomware attack detected on August 11, 2023. The attacker accessed a limited number of systems. Antioch restored systems from backups, changed credentials, and installed new security controls. Free credit monitoring is offered. The specific data types affected were redacted from the public notice.

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Vermont clock✗ VT AG >45 bday48 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 · 48 weeks / 334 days

Aug 11, 2023

Discovered

Jul 10, 2024

Filed

vs. sector median

+38 wks slower

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

A leak claim by lockbit_3 about this victim predates this filing by 313 days.View originating leak claim

Linked disclosures

Why this link?

Regulatory filings (5) · sorted by filing gap

Washington State AGbd_0d2f355cbd0063642024-07-10Candidate
Maine State AGbd_11e78d1f41e58ba32024-07-10Verified
Indiana State AGbd_93b5291efc880dd02024-07-10Verified
Montana State AGbd_9a7047aeffedf6ef2024-07-10Verified

Show 1 more filing ↓

New Hampshire State AGbd_ba0e465e4d7cbb842024-07-10Verified

Name: Coalition for the Common Good
norm: coalition for the common good

Name: Antioch University
norm: antioch university
Domain: antioch.edu
Also named: Coalition for the Common Gooddba oflegal entity
Antioch Universitydba oftrade name
Industry: Educationllm

Discovered: Aug 11, 2023
Materiality determined: —
Notification sent: Jul 10, 2024
Affected individuals: Not disclosed
Data types: PII
Attack vector: Ransomware
MITRE ATT&CK: T1486 Data Encrypted for Impact
Threat actor: ExternalFinancial

During the incident: Disconnected all access to the network
Engaged legal counsel and specialized cybersecurity professionals to conduct a forensic investigation
Assist with securing our environment
Securely restore our network from backups
Changed administrative credentials
Installed a new firewall
Upgraded our intrusion detection software
Engaged a cybersecurity firm to monitor our network activity
Providing access to credit monitoring services
Changes made: Changed administrative credentials
Installed a new firewall
Upgraded our intrusion detection software
Engaged a cybersecurity firm to monitor our network activity
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 48 weeks(334 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 · 6 filings · 6 states

View merged incident ↗

Washington State AGJul 10 · first

Maine State AGJul 10 · first

Indiana State AGJul 10 · first

Montana State AGJul 10 · first

New Hampshire State AGJul 10 · first

Vermont State AGJul 10 · 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/2024-07-10-coalition-common-good-dba-antioch-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: Jul 10, 2024
Raw hash: e47f4f524621e2cc9bc648d768abf3e77bc34a8e9bc02835769a822ec10a9854

Linked disclosures

Regulatory filings (5) · sorted by filing gap

Reporting entityCoalition for the Common Good

Victim entityAntioch University

Incidentdiscovered Aug 11, 2023

Stated responseDisconnected all access to the network

ComplianceVT AG >45 bday

Extraction provenanceno artifact recorded

Source provenanceago.vermont.gov