Social EngineeringFinancial ServicesFinancePhishingCustomer Data InvolvedIdentity (basic)Government IDFinancial accountFinancial credentialsMediumContained

FIRST HARVEST Federal Credit Union

bd_e5b9567f26b08d41 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Feb 3, 2026

Filed

May 6, 2026

To disclose

13 weeks

Affected

16state residents only

Linked

5 filings

Confidence

66%

Full breach record for FIRST HARVEST Federal Credit Union →

First Harvest Federal Credit Union notified the NH AG of a data event affecting 16 NH residents. An unknown actor accessed an employee email account on Jan 14, 2026, after suspicious activity was detected on Feb 3, 2026. Data potentially exposed included names, SSNs, and financial/payment card info. The credit union provided 12 months of credit monitoring via Kroll/Experian and notified regulators.

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Incident timeline

undetected · 20 days

discovery → filing · 13 weeks / 92 days

Jan 14, 2026

Begins

Feb 3, 2026

Discovered

May 6, 2026

Filed

vs. sector median

+5 wks slower

This filing is one of 5 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (4) · sorted by filing gap

Vermont State AGbd_09b41c7ea12444822026-05-06Verified
Maine State AGbd_9b5f4fdfe0bffc642026-05-06Verified
Massachusetts State AGbd_cd6c0df3fb879c202026-05-06Candidate
Nebraska State AGbd_ffb640149c5431722026-05-06Verified

Name: Mullen Coughlin LLC
norm: mullen coughlin

Name: FIRST HARVEST Federal Credit Union
norm: first harvest federal credit union
Domain: firstharvestcu.com
Industry: Financial Servicesllm

Discovered: Feb 3, 2026
Breach occurred: Jan 14, 2026
Undetected for: 20 daysoccurrence → discovery
Materiality determined: —
Notification sent: May 6, 2026
Affected individuals: 16state-resident count only
Data types: Identity (basic)Government IDFinancial accountFinancial credentials
Attack vector: Phishing
MITRE ATT&CK: T1566.002 Spearphishing LinkT1078 Valid Accounts
Threat actor: External
Regulator citations: Notified New Hampshire Attorney General Consumer Protection & Antitrust Bureau
Initial access: phishing_link

During the incident: Launched an investigation into the nature and scope of the activity
Working with a third-party to perform a thorough and time-intensive review of the potentially accessed data
Working to implement additional safeguards and training to its employees
Providing access to credit monitoring services for twelve (12) months, through Kroll
Providing written notice of this incident to relevant state and federal regulators
Providing written notice... to the three major credit reporting agencies, Equifax, Experian, and TransUnion
Changes made: Implementing additional technical security measures
Reviewing and enhancing existing policies and procedures
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 13 weeks(92 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 5 filings · 5 states

View merged incident ↗

Vermont State AGMay 6 · first

Maine State AGMay 6 · first

Massachusetts State AGMay 6 · first

Nebraska State AGMay 6 · first

New Hampshire State AGMay 6 · 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/first-harvest-federal-credit-union-20260506.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: May 6, 2026
Raw hash: 47c95150e587205f3db8889cc3e9c9d5ce0129504a9db84c9c06094ae29a4706

Linked disclosures

Regulatory filings (4) · sorted by filing gap

Reporting entityMullen Coughlin LLC

Victim entityFIRST HARVEST Federal Credit Union

Incidentdiscovered Feb 3, 2026

Stated responseLaunched an investigation into the nature and scope of the activity

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov