HackingFinancial ServicesFinanceStolen CredentialsCustomer Data InvolvedIdentity (basic)Government IDFinancial accountMediumContained

CINFED FEDERAL CREDIT UNION

bd_038ba59a2ea65cbf · schema v1 · pii pii-v1

Severity

Medium

Discovered

Sep 25, 2023

Filed

Nov 9, 2023

To disclose

6 weeks

Affected

7state residents only

Linked

4 filings

Confidence

65%

Full breach record for CINFED FEDERAL CREDIT UNION →

Cinfed Federal Credit Union notified individuals of unauthorized access to its internal network from Sept 22-25, 2023. The attacker accessed documents containing names, SSNs, and financial account numbers. Cinfed engaged forensic investigators, notified law enforcement, and offered one year of Experian IdentityWorks. No fraud was detected at the time of notification.

J jump to incidentP pin to compareR raw source

Incident timeline

undetected · 3 days

discovery → filing · 6 weeks / 45 days

Sep 22, 2023

Begins

Sep 25, 2023

Discovered

Nov 9, 2023

Filed

vs. sector median

3 wks faster

This filing is one of 4 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (3) · sorted by filing gap

Maine State AGbd_1fe5ae06aa1948fc2023-11-09Candidate
Massachusetts State AGbd_f0d545f4ea56bb802023-11-09Verified
Vermont State AGbd_f3b8d449ce3f05bf2023-11-09Verified

Name: CINFED FEDERAL CREDIT UNION
norm: cinfed federal credit union

Name: CINFED FEDERAL CREDIT UNION
norm: cinfed federal credit union
Industry: Financial Servicesllm

Discovered: Sep 25, 2023
Breach occurred: Sep 22, 2023 – Sep 25, 2023
Undetected for: 3 daysoccurrence → discovery
Materiality determined: —
Notification sent: Nov 9, 2023
Affected individuals: 7state-resident count only
Data types: Identity (basic)Government IDFinancial account
Data elements: Social Security number
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid AccountsT1119 Automated Collection
Threat actor: External
Initial access: valid_credentials

During the incident: Initiating an internal investigation
Notifying law enforcement
Engaged a forensic security firm to assist with our investigation and confirm the security of our computer systems
Offering a complimentary one-year membership of Experian IdentityWorksSM Credit 3B
Changes made: Assessing potential additional technical security measures
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 6 weeks(45 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 4 filings · 4 states

View merged incident ↗

Maine State AGNov 9 · first

Massachusetts State AGNov 9 · first

Vermont State AGNov 9 · first

Montana State AGNov 9 · 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-832.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Nov 9, 2023
Raw hash: d4b79f9e7147a308737708ce7088d1076e5c0f40a4963a6bb3b724e75f85150d

Linked disclosures

Regulatory filings (3) · sorted by filing gap

Reporting entityCINFED FEDERAL CREDIT UNION

Victim entityCINFED FEDERAL CREDIT UNION

Incidentdiscovered Sep 25, 2023

Stated responseInitiating an internal investigation

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov