HackingEducationEducationStolen CredentialsCustomer Data InvolvedIdentity (basic)Government IDMediumContained

Linfield University

bd_5337234a45642a39 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Aug 7, 2020

Filed

Dec 3, 2020

To disclose

17 weeks

Affected

1state residents only

Confidence

65%

Full breach record for Linfield University →

Linfield University notified Montana residents of a data security incident involving unauthorized access to three employee email accounts between May 19 and August 7, 2020. The investigation confirmed that names and Social Security numbers were present in the affected accounts. The university reset passwords, engaged forensic investigators, and offered one year of credit monitoring.

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Incident timeline

undetected · 80 days

discovery → filing · 17 weeks / 118 days

May 19, 2020

Begins

Aug 7, 2020

Discovered

Dec 3, 2020

Filed

vs. sector median

+8 wks slower

Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed1 affectedView incident

Name: Linfield University
norm: linfield university

Name: Linfield University
norm: linfield university
Industry: Educationllm

Discovered: Aug 7, 2020
Breach occurred: May 19, 2020 – Aug 7, 2020
Undetected for: 80 daysoccurrence → discovery
Materiality determined: —
Notification sent: Dec 3, 2020
Affected individuals: 1state-resident count only
Data types: Identity (basic)Government ID
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid Accounts
Threat actor: External
Initial access: valid_credentials

During the incident: Reset the password of the involved email accounts
Retained a leading forensic security firm to investigate
Changes made: Offering you a complimentary one-year membership of Experian IdentityWorks Credit 3B
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 17 weeks(118 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

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/linfieldSamp.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Dec 3, 2020
Raw hash: 04148a77b2c3c4f143bd8d4b945cdac704ef11d34290f21e32a82a221c885944

Reporting entityLinfield University

Victim entityLinfield University

Incidentdiscovered Aug 7, 2020

Stated responseReset the password of the involved email accounts

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov