Social EngineeringFinancial ServicesFinancePhishingStolen CredentialsCustomer Data InvolvedTargetedPIIIdentity (basic)CredentialsMediumResolved

HawaiiUSA Federal Credit Union

bd_6ac1c4bbe692f91f · schema v1 · pii pii-v1

Severity

Medium

Discovered

Dec 12, 2022

Filed

Apr 7, 2023

To disclose

17 weeks

Affected

18,651state residents only

Linked

6 filings

Confidence

65%

Full breach record for HawaiiUSA Federal Credit Union →2 incidents on file

HawaiiUSA Federal Credit Union notified members of unauthorized access to an employee's email account on December 12, 2022. The incident involved phishing leading to credential compromise. The Credit Union engaged cybersecurity and law enforcement. Affected individuals were offered one year of Experian IdentityWorks credit monitoring.

J jump to incidentP pin to compareR raw source

Hawaii clock✓ HI CRA notice due17 weeks discovery → filing

⚠ occurrence dateThe stored discovery date equals the breach OCCURRENCE date. Detection is normally later, so this OVERSTATES the delay — a 'late' verdict here may not be real.

Incident timeline

discovery → filing · 17 weeks / 116 days

Dec 12, 2022

Begins

Dec 12, 2022

Discovered

Apr 7, 2023

Filed

vs. sector median

+8 wks slower

This filing is one of 6 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (5) · sorted by filing gap

California State AGbd_18a16aff9e95f0ae2023-04-07Candidate
Massachusetts State AGbd_5e40abd60d82253b2023-04-07Verified
Indiana State AGbd_8935a9f01cbc840e2023-04-07Verified
Maine State AGbd_e135c11dc67688de2023-04-07Verified

Show 1 more filing ↓

Montana State AGbd_f5f10922706de3d12023-04-07Verified

Name: HawaiiUSA Federal Credit Union
norm: hawaiiusa federal credit union

Name: HawaiiUSA Federal Credit Union
norm: hawaiiusa federal credit union
Industry: Financial Servicesllm

Discovered: Dec 12, 2022
Breach occurred: Dec 12, 2022
Undetected for: 0 daysoccurrence → discovery
Materiality determined: —
Notification sent: Mar 6, 2023
Affected individuals: 18,651state-resident count only
Data types: PIIIdentity (basic)Credentials
Attack vector: Phishing
MITRE ATT&CK: T1566.002 Spearphishing LinkT1078 Valid AccountsT1114 Email Collection
Threat actor: ExternalFinancial
Regulator citations: worked closely with law enforcement
Initial access: phishing_link

During the incident: Secured the account
Engaged a cybersecurity firm
Conducted an investigation
Worked closely with law enforcement
Enhanced existing security measures
Changes made: Enhanced existing security measures
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 17 weeks(116 days from discovery to filing)
Compliance flags: HI CRA notice due
Discovery-date grounding: occurrence dateThe stored discovery date equals the breach OCCURRENCE date. Detection is normally later, so this OVERSTATES the delay — a 'late' verdict here may not be real.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 6 filings · 6 states

View merged incident ↗

California State AGApr 7 · first

Massachusetts State AGApr 7 · first

Indiana State AGApr 7 · first

Maine State AGApr 7 · first

Montana State AGApr 7 · first

Hawaii State AGApr 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://cca.hawaii.gov/wp-content/uploads/2026/05/2023-0440.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Apr 7, 2023
Raw hash: 3f717160412e1c7573f0b66e64c22b1c29144132d308946b20e9d441b5807109

Linked disclosures

Regulatory filings (5) · sorted by filing gap

Reporting entityHawaiiUSA Federal Credit Union

Victim entityHawaiiUSA Federal Credit Union

Incidentdiscovered Dec 12, 2022

Stated responseSecured the account

ComplianceHI CRA notice due

Extraction provenanceno artifact recorded

Source provenancecca.hawaii.gov