Social EngineeringFinancial ServicesFinancePhishingBECMulti-Stage ChainCustomer Data InvolvedEmployee Data InvolvedPIIIdentity (basic)Government IDMediumContained

Transportation Federal Credit Union

bd_a9780ab41f4fe51a · schema v1 · pii pii-v1

Severity

Medium

Discovered

Nov 15, 2023

Filed

Feb 7, 2024

To disclose

12 weeks

Affected

6state residents only

Linked

3 filings

Confidence

65%

Full breach record for Transportation Federal Credit Union →

Transportation Federal Credit Union reported unauthorized access to employee email accounts via phishing, resulting in a fraudulent wire transfer. The incident affected 6 New Hampshire residents, exposing PII including SSNs and driver's license numbers. TFCU secured accounts, engaged forensic investigators, notified law enforcement, and offered credit monitoring.

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Incident timeline

undetected · 77 days

discovery → filing · 12 weeks / 84 days

Aug 30, 2023

Begins

Nov 15, 2023

Discovered

Dec 26, 2023

Scope determined

Feb 7, 2024

Filed

vs. sector median

+4 wks slower

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

Linked disclosures

Why this link?

Regulatory filings (2) · sorted by filing gap

Massachusetts State AGbd_2af0877b9833768c2024-02-07Verified
Vermont State AGbd_9fb5c1d3ae42a4242024-02-07Candidate

Name: Transportation Federal Credit Union
norm: transportation federal credit union

Name: Transportation Federal Credit Union
norm: transportation federal credit union
Industry: Financial Servicesllm

Discovered: Nov 15, 2023
Breach occurred: Aug 30, 2023 – Nov 15, 2023
Undetected for: 77 daysoccurrence → discovery
Materiality determined: Dec 26, 2023
Notification sent: Feb 7, 2024
Affected individuals: 6state-resident count only
Data types: PIIIdentity (basic)Government ID
Attack vector: Phishing
MITRE ATT&CK: T1566.002 Spearphishing LinkT1078 Valid AccountsT1114 Email Collection
Threat actor: ExternalFinancial
Regulator citations: Notified Attorney General of the State of New Hampshire
Initial access: phishing_link

During the incident: Secured the employee’s email account
Began efforts to retrieve the fraudulently transferred funds
Began an investigation
Engaged a forensic security firm to assist with its investigation and to confirm the security of TFCU’s email environment
Notified law enforcement
Changes made: Enhancing its technical security measures
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 12 weeks(84 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 3 filings · 3 states

View merged incident ↗

Massachusetts State AGFeb 7 · first

Vermont State AGFeb 7 · first

New Hampshire State AGFeb 7 · 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://mm.nh.gov/files/uploads/doj/remote-docs/transportation-federal-credit-union-20240207.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Feb 7, 2024
Raw hash: 62fa33409bd19d129e931fb628794716a4300ffd74b2e4421a73d0e5444ad7fa

Linked disclosures

Regulatory filings (2) · sorted by filing gap

Reporting entityTransportation Federal Credit Union

Victim entityTransportation Federal Credit Union

Incidentdiscovered Nov 15, 2023

Stated responseSecured the employee’s email account

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov