HackingStolen CredentialsCustomer Data InvolvedIDENTITY_BASICFINANCIAL_ACCOUNTLowContained

Marble Harbor Investment Counsel

bd_c8714f176ae0295d · schema v1 · pii pii-v1

Full breach record for Marble Harbor Investment Counsel →

Marble Harbor Investment Counsel, LLC reported to the New Hampshire Attorney General that an unauthorized actor accessed a brokerage platform between April 13 and April 23, 2026. The incident affected 3 New Hampshire residents, exposing names and financial account information. MHIC notified law enforcement, provided 24 months of credit monitoring, and issued notices to affected individuals on May 21, 2026.

This filing is one of 2 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (1) · sorted by filing gap

bd_bf068749598f5e68Massachusetts State AGfiled 2026-05-01(20d gap)Candidate

Source provenance

Source URL: https://mm.nh.gov/files/uploads/doj/remote-docs/marble-harbor-investment-counsel-20260521.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: May 21, 2026
Raw hash: 607a7e997c6b5633e69ce50579e8fb76e169e3d9a03a0562d563f5f2bca1b16b

Reporting entity

Name: Mullen Coughlin LLC
norm: mullen coughlin

Victim entity

Name: Marble Harbor Investment Counsel
norm: marble harbor investment counsel
Domain: marbleharboric.com

Incident

Discovered: Apr 23, 2026
Materiality determined: —
Notification sent: May 21, 2026
Affected individuals: 3
Data types: IDENTITY_BASICFINANCIAL_ACCOUNT
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid Accounts
Threat actor: ExternalFinancial
Regulator citations: Notified New Hampshire Attorney General Consumer Protection & Antitrust Bureau
Initial access: valid_credentials

Compliance

Time to disclose: 28 days(28 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Extraction provenance

Status: No extraction artifact recorded for this disclosure.