HackingEducationEducationData ExfiltratedCustomer Data InvolvedGovernment IDIdentity (basic)Financial accountMediumContained

Arcadia University

bd_9a831ea10e839f69 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Mar 18, 2021

Filed

Aug 4, 2021

To disclose

20 weeks

Affected

24state residents only

Linked

5 filings

Confidence

66%

Full breach record for Arcadia University →2 incidents on file

Arcadia University notified the New Hampshire Attorney General of a security incident affecting 24 NH residents. Unauthorized access to a file server occurred between March 15-18, 2021. The breach exposed names, Social Security numbers, and financial account information. Arcadia engaged a cybersecurity firm, notified law enforcement, and offered one year of credit monitoring via IDX to affected individuals. Notification letters were mailed on August 4, 2021.

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

Montana State AGbd_119af275b43389bd2021-08-04Candidate
Massachusetts State AGbd_53128d0eb1927f8e2021-08-04Verified
Maine State AGbd_6aa910b9048c933f2021-08-04Verified
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: 24state-resident count only
Data types: Government IDIdentity (basic)Financial account
Data elements: Social Security number
Attack vector: Unauthorized Access
MITRE ATT&CK: T1119 Automated Collection
Threat actor: External
Regulator citations: Notified Attorney General John Formella

During the incident: Engaged a cybersecurity firm
Notified law enforcement
Conducted a thorough review of the files that were accessed
Provided written notice to the New Hampshire residents by mailing a letter via United States Postal Service First-Class mail
Offered a complimentary, one-year membership of credit monitoring and identity theft prevention services provided by IDX
Changes made: Enhanced existing electronic security protocols
Re-educated all 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 ↗

Montana State AGAug 4 · first

Massachusetts State AGAug 4 · first

Maine State AGAug 4 · first

Indiana State AGAug 4 · first

New Hampshire 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://mm.nh.gov/files/uploads/doj/remote-docs/arcadia-university-20210804.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: c68105229c318f63d609615d1435df2025fe9d451c89e5db0f8ed2659121b0ec

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 provenancemm.nh.gov