HackingFinancial ServicesFinanceStolen CredentialsData ExfiltratedCustomer Data InvolvedEmployee Data InvolvedIdentity (basic)Government IDFinancial accountMediumContained

Communication Federal Credit Union

bd_693be845ff352906 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Jan 11, 2024

Filed

Aug 12, 2024

To disclose

31 weeks

Affected

20state residents only

Linked

3 records

Confidence

65%

Full breach record for Communication Federal Credit Union →

Communication Federal Credit Union notified members of a cybersecurity incident where unauthorized access occurred between Dec 31, 2023, and Jan 11, 2024. Suspicious activity was detected on Jan 11, 2024. Affected data included names, DOBs, government IDs (SSN/Driver's License), and financial account numbers. The credit union engaged third-party experts and offered credit monitoring.

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Leak gap clock✗ Leak >180d31 weeks discovery → filing

Incident timeline

undetected · 11 days

discovery → filing · 31 weeks / 214 days

Dec 31, 2023

Begins

Jan 11, 2024

Discovered

Aug 12, 2024

Filed

vs. sector median

+22 wks slower

This filing is one of 3 records about the same incident.View merged incident

A leak claim by hunters_international about this victim was first seen 181 days before this filing.View originating leak claim

Linked disclosures

Why this link?

Ransomware claims (1)

Leak Sitehunters_internationalbd_a9d1449db5d5b30b2024-02-13 · +180dCandidate

Regulatory filings (1) · sorted by filing gap

Massachusetts State AGbd_012bed910dcc4b092024-08-23 · +11dVerified by operator

Name: Communication Federal Credit Union
norm: communication federal credit union
Domain: comfedcu.org
Industry: financial_services

Name: Communication Federal Credit Union
norm: communication federal credit union
Domain: comfedcu.org
Industry: financial_services
Industry: Financial Servicesllm

Discovered: Jan 11, 2024
Breach occurred: Dec 31, 2023 – Jan 11, 2024
Undetected for: 11 daysoccurrence → discovery
Materiality determined: —
Notification sent: Aug 12, 2024
Affected individuals: 20state-resident count only
Data types: Identity (basic)Government IDFinancial account
Data elements: Social Security numberDate of birth
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid AccountsT1119 Automated Collection
Threat actor: ExternalFinancial
Initial access: valid_credentials

During the incident: Took immediate steps to secure network systems
Engaged a data-review firm to determine what information was contained in affected files
Hired third-party experts to address the situation and perform an investigation
Posted information about the incident to its website on February 21, 2024
Offered complimentary one-year membership to Experian’s IdentityWorks
Changes made: Further secured systems to help protect the information maintained
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 31 weeks(214 days from discovery to filing)
Compliance flags: Leak >180d
Discovery-date grounding: letter-groundedThe discovery date is the detection date narrated in the notification letter — the defensible tier.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 2 filings · 2 states

View merged incident ↗

Montana State AGAug 12 · first · this page

Massachusetts State AG+11d

Pattern: first filing Aug 12 (MT), last Aug 23 (MA) — a 11-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://dojmt.gov/wp-content/uploads/OCP/Consumer-notification-letter-1585.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Aug 12, 2024
Raw hash: 009bfeae4c8e0c17903f5b757f610cfb1710aa1801531dbb90f9fbb67b7290d6

Linked disclosures

Ransomware claims (1)

Regulatory filings (1) · sorted by filing gap

Reporting entityCommunication Federal Credit Union

Victim entityCommunication Federal Credit Union

Incidentdiscovered Jan 11, 2024

Stated responseTook immediate steps to secure network systems

ComplianceLeak >180d

Extraction provenanceno artifact recorded

Source provenancedojmt.gov