HackingEducationEducationStolen CredentialsCapture Stored DataTargetedData ExfiltratedPIIIdentity (basic)LowContained

Arcadia University

bd_119af275b43389bd · schema v1 · pii pii-v1

Severity

Low

Discovered

Mar 18, 2021

Filed

Aug 4, 2021

To disclose

20 weeks

Affected

3state residents only

Linked

5 filings

Confidence

65%

Full breach record for Arcadia University →2 incidents on file

Arcadia University notified affected individuals of a security incident where unauthorized activity occurred on its network between March 15-18, 2021. The university engaged a cybersecurity firm and notified law enforcement. Files containing personal information were accessed. Affected individuals were offered one year of identity theft protection services.

J jump to incidentP pin to compareR raw source

Incident timeline

undetected · 3 days

discovery → filing · 20 weeks / 139 days

Mar 15, 2021

Begins

Mar 18, 2021

Discovered

Aug 4, 2021

Filed

vs. sector median

+10 wks slower

This filing is one of 5 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (4) · sorted by filing gap

Massachusetts State AGbd_53128d0eb1927f8e2021-08-04Verified
Maine State AGbd_6aa910b9048c933f2021-08-04Verified
New Hampshire State AGbd_9a831ea10e839f692021-08-04Verified
Indiana State AGbd_b8622d63c7734dab2021-08-04Verified

Name: Arcadia University
norm: arcadia university

Name: Arcadia University
norm: arcadia university
Industry: Educationllm

Discovered: Mar 18, 2021
Breach occurred: Mar 15, 2021 – Mar 18, 2021
Undetected for: 3 daysoccurrence → discovery
Materiality determined: —
Notification sent: Aug 4, 2021
Affected individuals: 3state-resident count only
Data types: PIIIdentity (basic)
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid AccountsT1119 Automated Collection
Threat actor: External
Regulator citations: Notified law enforcement and worked to support its investigation
Initial access: valid_credentials

During the incident: Engaged a cybersecurity firm
Notified law enforcement
Restored operations
Arranged for complimentary one-year membership to identity theft protection services through IDX
Changes made: Enhanced existing electronic security protocols
Re-educated staff for awareness on these types of incidents
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 20 weeks(139 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 5 filings · 5 states

View merged incident ↗

Massachusetts State AGAug 4 · first

Maine State AGAug 4 · first

New Hampshire State AGAug 4 · first

Indiana State AGAug 4 · first

Montana State AGAug 4 · 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://dojmt.gov/wp-content/uploads/OCP/notificationLetter-12.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Aug 4, 2021
Raw hash: fd66045741fd778465aa928a2739badb66547d1d51f15f43b61ad155afb084f6

Linked disclosures

Regulatory filings (4) · sorted by filing gap

Reporting entityArcadia University

Victim entityArcadia University

Incidentdiscovered Mar 18, 2021

Stated responseEngaged a cybersecurity firm

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov