HackingFinancial ServicesFinanceStolen CredentialsData ExfiltratedCustomer Data InvolvedIdentity (basic)Government IDFinancial accountMediumActive

First Commonwealth Federal Credit Union

bd_2dbb64663be5cea6 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Jun 27, 2024

Filed

Aug 2, 2024

To disclose

5 weeks

Affected

8state residents only

Linked

7 filings

Confidence

66%

Full breach record for First Commonwealth Federal Credit Union →

First Commonwealth Federal Credit Union notified Montana residents of a data security incident discovered on June 27, 2024. An unauthorized actor acquired files containing names, SSNs, DOBs, and account numbers on or around June 26, 2024. The investigation is ongoing. The credit union engaged independent cybersecurity experts and is offering identity theft protection services.

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Incident timeline

undetected · 1 days

discovery → filing · 5 weeks / 36 days

Jun 26, 2024

Begins

Jun 27, 2024

Discovered

Aug 2, 2024

Filed

vs. sector median

3 wks faster

This filing is one of 7 about the same incident.View merged incident

Linked disclosures

Why this link?

Ransomware claims (1)

Leak Sitemeowbd_8dd610fc000eee782024-07-16 · +17dVerified by operator

Regulatory filings (5) · sorted by filing gap

New Hampshire State AGbd_0ba7c4ac6cf9085f2024-08-02Verified by operator
Vermont State AGbd_8d32f8044fdebc312024-08-02Verified by operator
Massachusetts State AGbd_d0f0b4ad5e5796b32024-08-02Verified by operator
Maine State AGbd_dcab9d258550b3852024-08-02Verified

Show 1 more filing ↓

Indiana State AGbd_dd8a2f059edb802b2024-08-02Verified by operator

Name: First Commonwealth Federal Credit Union
norm: first commonwealth federal credit union
Domain: firstcomcu.org

Name: First Commonwealth Federal Credit Union
norm: first commonwealth federal credit union
Domain: firstcomcu.org
Industry: Financial Servicesllm

Discovered: Jun 27, 2024
Breach occurred: Jun 26, 2024
Undetected for: 1 dayoccurrence → discovery
Materiality determined: —
Notification sent: Aug 2, 2024
Affected individuals: 8state-resident count only
Data types: Identity (basic)Government IDFinancial account
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid AccountsT1041 Exfiltration Over C2 Channel
Threat actor: ExternalFinancial
Initial access: valid_credentials

During the incident: Launched an investigation, aided by independent cybersecurity experts
Strengthened our existing security policies and procedures
Bolstered security to further protect against similar incidents in the future
Offering identity theft protection services through IDX
Changes made: Strengthened our existing security policies and procedures
Bolstered security to further protect against similar incidents in the future
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 5 weeks(36 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 6 filings · 6 states

View merged incident ↗

New Hampshire State AGAug 2 · first

Vermont State AGAug 2 · first

Massachusetts State AGAug 2 · first

Maine State AGAug 2 · first

Indiana State AGAug 2 · first

Montana State AGAug 2 · 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/Consumer-Notification-Letter-853.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Aug 2, 2024
Raw hash: 55ac18a0d288d51edf9c497915492610fcdce444df86d1c8b098e23fc9ce27fe

Linked disclosures

Ransomware claims (1)

Regulatory filings (5) · sorted by filing gap

Reporting entityFirst Commonwealth Federal Credit Union

Victim entityFirst Commonwealth Federal Credit Union

Incidentdiscovered Jun 27, 2024

Stated responseLaunched an investigation, aided by independent cybersecurity experts

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov