Social EngineeringFinancial ServicesFinancePhishingTargetedPIIIdentity (basic)LowContained

Northwoods Credit Union

bd_dc5819ddd47bfa9c · schema v1 · pii pii-v1

Severity

Low

Discovered

Sep 2, 2020

Filed

Nov 5, 2020

To disclose

9 weeks

Affected

1state residents only

Confidence

65%

Full breach record for Northwoods Credit Union →

Northwoods Credit Union notified members that unauthorized third-party access to employee email accounts occurred between July 22 and September 2, 2020. The access was likely due to phishing. Personal information (names, addresses, etc.) was present in the emails, but no SSNs were involved. The incident was contained, and a forensic firm was engaged.

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Incident timeline

undetected · 42 days

discovery → filing · 9 weeks / 64 days

Jul 22, 2020

Begins

Sep 2, 2020

Discovered

Nov 5, 2020

Filed

vs. sector median

on median

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

Name: Northwoods Credit Union
norm: northwoods credit union

Name: Northwoods Credit Union
norm: northwoods credit union
Industry: Financial Servicesllm

Discovered: Sep 2, 2020
Breach occurred: Jul 22, 2020 – Sep 2, 2020
Undetected for: 42 daysoccurrence → discovery
Materiality determined: —
Notification sent: Oct 9, 2020
Affected individuals: 1state-resident count only
Data types: PIIIdentity (basic)
Attack vector: Phishing
MITRE ATT&CK: T1566.002 Spearphishing Link
Threat actor: External
Initial access: phishing_link

During the incident: Engaged a forensic security firm to investigate and confirm the security of our email and computer systems
Took appropriate measures to prevent any further access to the email accounts
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 9 weeks(64 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/northwSamp.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Nov 5, 2020
Raw hash: b4a8608d1849cd84271a0350365e8e4130e0e4004a61f7a08f3e1cb95cfeb464

Reporting entityNorthwoods Credit Union

Victim entityNorthwoods Credit Union

Incidentdiscovered Sep 2, 2020

Stated responseEngaged a forensic security firm to investigate and confirm the security of our email and computer systems

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov