HackingManufacturingManufacturingStolen CredentialsData ExfiltratedTargetedIdentity (basic)Government IDMediumContained

Hawaiian Dredging Construction Company

bd_09ab6dc1d5d70009 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Apr 17, 2021

Filed

Sep 7, 2021

To disclose

20 weeks

Affected

1state residents only

Linked

4 filings

Confidence

64%

Full breach record for Hawaiian Dredging Construction Company →

Hawaiian Dredging Construction Company (HDCC) notified the NH Attorney General of a security incident where an unauthorized person accessed systems between April 10-17, 2021, exfiltrating files containing one NH resident's name and SSN. HDCC secured the network, contacted law enforcement, and engaged a cybersecurity firm. Notification was sent on Sept 3, 2021, offering 1 year of credit monitoring.

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Incident timeline

undetected · 7 days

discovery → filing · 20 weeks / 143 days

Apr 10, 2021

Begins

Apr 17, 2021

Discovered

Sep 7, 2021

Filed

vs. sector median

+10 wks slower

This filing is one of 4 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (3) · sorted by filing gap

Massachusetts State AGbd_5e7f1ab670ab95b12021-09-03 · +4dVerified
Maine State AGbd_d7290a55a9a168452021-09-03 · +4dCandidate
Hawaii State AGbd_eff7a5fc0740c4182021-09-03 · +4dVerified

Name: BAKER & HOSTETLER LLP
norm: baker hostetler

Name: Hawaiian Dredging Construction Company
norm: hawaiian dredging construction
Industry: Manufacturingllm

Discovered: Apr 17, 2021
Breach occurred: Apr 10, 2021 – Apr 17, 2021
Undetected for: 7 daysoccurrence → discovery
Materiality determined: —
Notification sent: Sep 3, 2021
Affected individuals: 1state-resident count only
Data types: Identity (basic)Government ID
Data elements: Social Security number
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid AccountsT1041 Exfiltration Over C2 Channel
Threat actor: External
Regulator citations: Notified New Hampshire Attorney General

During the incident: Took steps to secure its network
Contacted law enforcement
Began an investigation with the assistance of a cybersecurity firm
Changes made: Implemented additional safeguards and technical security measures
Advanced device and network monitoring
Restrictions of administrative rights
Ongoing education for all users
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 20 weeks(143 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 4 filings · 4 states

View merged incident ↗

Massachusetts State AGSep 3 · first

Maine State AGSep 3 · first

Hawaii State AGSep 3 · first

New Hampshire State AG+4d · 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/hawaiian-dredging-20210907.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Sep 7, 2021
Raw hash: 5026d0bcb7e80d7db90e5d4bc50f916c1eb4a1f5897f5ace526dd67e144cab91

Linked disclosures

Regulatory filings (3) · sorted by filing gap

Reporting entityBAKER & HOSTETLER LLP

Victim entityHawaiian Dredging Construction Company

Incidentdiscovered Apr 17, 2021

Stated responseTook steps to secure its network

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov