HackingEducationEducationStolen CredentialsCustomer Data InvolvedEmployee Data InvolvedTargetedIdentity (basic)Government IDMediumContained

Arcadia University

bd_2b5ff556d43acc47 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Jul 2, 2018

Filed

Apr 1, 2019

To disclose

39 weeks

Affected

3state residents only

Linked

2 filings

Confidence

66%

Full breach record for Arcadia University →2 incidents on file

Arcadia University notified the NH AG of a data security event affecting 3 NH residents. Unauthorized access to an employee email account occurred on Feb 4, 2018, discovered July 2, 2018. Compromised data included names and SSNs. Arcadia reset passwords, engaged forensic experts, notified law enforcement, and provided 1 year of Kroll credit monitoring.

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Incident timeline

undetected · 148 days

discovery → filing · 39 weeks / 273 days

Feb 4, 2018

Begins

Jul 2, 2018

Discovered

Apr 1, 2019

Filed

vs. sector median

+29 wks slower

This filing is one of 2 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (1) · sorted by filing gap

Massachusetts State AGbd_ea12be023b1893272019-03-26 · +6dVerified

Name: Mullen Coughlin LLC
norm: mullen coughlin

Name: Arcadia University
norm: arcadia university
Industry: Educationllm

Discovered: Jul 2, 2018
Breach occurred: Feb 4, 2018
Undetected for: 148 daysoccurrence → discovery
Materiality determined: —
Notification sent: Mar 26, 2019
Affected individuals: 3state-resident count only
Data types: Identity (basic)Government ID
Data elements: Social Security number
Attack vector: Phishing
MITRE ATT&CK: T1078 Valid AccountsT1114 Email Collection
Threat actor: ExternalFinancial
Regulator citations: Notified Office of the New Hampshire Attorney General
Initial access: valid_credentials

During the incident: Launched a detailed and exhaustive investigation
Engaged computer forensics experts
Reset passwords for Arcadia email accounts
Notified law enforcement
Provided relevant regulatory notices
Provided access to identity protection and credit monitoring services for one (1) year, through Kroll
Changes made: Reviewing its existing policies and procedures
Implementing additional technology tools and training to detect and prevent future such incidents
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 39 weeks(273 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 2 filings · 2 states

View merged incident ↗

Massachusetts State AGMar 26 · first

New Hampshire State AG+6d · this page

Pattern: first filing Mar 26 (MA), last Apr 1 (NH) — a 6-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

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-20190401.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Apr 1, 2019
Raw hash: 423631dac768b6494388bcd0fbee5290cd0b99682bda30a9f2abf3896bc03b61

Linked disclosures

Regulatory filings (1) · sorted by filing gap

Reporting entityMullen Coughlin LLC

Victim entityArcadia University

Incidentdiscovered Jul 2, 2018

Stated responseLaunched a detailed and exhaustive investigation

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov