HackingPIIIdentity (basic)Government IDMediumContained

HEMIC - Hawaii Employers' Mutual Insurance Co

bd_e9fc9f6fb6ec08d7 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Feb 3, 2026

Filed

May 13, 2026

To disclose

—

Affected

2state residents only

Linked

6 filings

Confidence

66%

Full breach record for HEMIC - Hawaii Employers' Mutual Insurance Co →

Hawaii Employers Mutual Insurance Company (HEMIC) disclosed a cybersecurity incident to Nebraska regulators affecting 2 Nebraska residents. Unauthorized access occurred on February 2, 2026, resulting in the copying of files containing names and Social Security numbers. HEMIC notified law enforcement, implemented enhanced controls, and provided 12 months of credit monitoring via Experian to affected individuals. Written notice was sent on May 13, 2026.

J jump to incidentP pin to compareR raw source

Leak gap clock⏱ Leak >30d

Incident timeline

undetected · 1 days

Feb 2, 2026

Begins

Feb 3, 2026

Discovered

May 13, 2026

Filed

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

A leak claim by silentransomgroup about this victim predates this filing by 74 days.View originating leak claim

Linked disclosures

Why this link?

Ransomware claims (1)

Leak Sitesilentransomgroupbd_781b2f01597bfdd02026-02-27 · +74dVerified

Regulatory filings (4) · sorted by filing gap

Indiana State AGbd_043ff8fe353f8f012026-05-13Verified
Maine State AGbd_4933aa90030759572026-05-13Verified by operator
Vermont State AGbd_69da8c4acab7ecea2026-05-13Verified by operator
Massachusetts State AGbd_86b675e4cc736b532026-05-13Verified by operator

Name: HEMIC - Hawaii Employers' Mutual Insurance Co
norm: hemic hawaii employers mutual insurance
Domain: hemic.com

Name: HEMIC - Hawaii Employers' Mutual Insurance Co
norm: hemic hawaii employers mutual insurance
Domain: hemic.com

Discovered: Feb 3, 2026
Breach occurred: Feb 2, 2026
Undetected for: 1 dayoccurrence → discovery
Materiality determined: —
Notification sent: May 13, 2026
Affected individuals: 2state-resident count only
Data types: PIIIdentity (basic)Government ID
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid AccountsT1041 Exfiltration Over C2 Channel
Threat actor: External
Regulator citations: Providing written notice of this incident to relevant state regulators, as necessary

During the incident: Notified federal law enforcement regarding the event
Implemented additional administrative and technical controls
Providing access to credit monitoring services for twelve (12) months, through Experian IdentityWorks, to individuals whose personal information was potentially affected by this incident, at no cost to these individuals
Providing written notice of this incident to relevant state regulators, as necessary, and to the three major credit reporting agencies, Equifax, Experian, and TransUnion
Changes made: Reviewed existing policies and procedures and implemented enhanced administrative and technical controls
Source: Quoted from the filing itself, not independently verified.

Compliance flags: Leak >30d
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 · 5 filings · 5 states

View merged incident ↗

Indiana State AGMay 13 · first

Maine State AGMay 13 · first

Vermont State AGMay 13 · first

Massachusetts State AGMay 13 · first

Nebraska State AGMay 13 · 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://nebraska.gov/ago/data-breach/documents/6217960a-ab71-4e07-b61c-aa5a3bd49710.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: May 13, 2026
Raw hash: 4c7b3cadbf8e7f00d05be61d2eec2847cbd2f38fca2112183b15f8384cdc4678

Linked disclosures

Ransomware claims (1)

Regulatory filings (4) · sorted by filing gap

Reporting entityHEMIC - Hawaii Employers' Mutual Insurance Co

Victim entityHEMIC - Hawaii Employers' Mutual Insurance Co

Incidentdiscovered Feb 3, 2026

Stated responseNotified federal law enforcement regarding the event

ComplianceLeak >30d

Extraction provenanceno artifact recorded

Source provenancenebraska.gov