HackingTechnologyInformationData ExfiltratedCustomer Data InvolvedIdentity (basic)Government IDMediumContained

Arrowhead Regional Computing Consortium

bd_41134782d8d036d9 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Feb 6, 2023

Filed

Jan 17, 2024

To disclose

49 weeks

Affected

25state residents only

Linked

4 filings

Confidence

66%

Full breach record for Arrowhead Regional Computing Consortium →2 incidents on file

Arrowhead Regional Computing Consortium (ARCC) notified the New Hampshire Attorney General of unauthorized network access detected on February 6, 2023. Forensic investigation confirmed on December 7, 2023, that personal information of approximately 25 NH residents was acquired. ARCC notified affected individuals on January 11, 2024, offering one year of identity theft protection services. Data included names and government IDs. No identity theft reported.

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Incident timeline

discovery → filing · 49 weeks / 345 days

Feb 6, 2023

Begins

Feb 6, 2023

Discovered

Jan 17, 2024

Filed

vs. sector median

+31 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

Indiana State AGbd_12e604bea05152982024-01-11 · +6dVerified
Vermont State AGbd_77a534482ec7673c2024-01-11 · +6dVerified
Maine State AGbd_8d70dd619f4f18a62024-01-11 · +6dCandidate

Name: MCDONALD HOPKINS LLC
norm: mcdonald hopkins

Name: Arrowhead Regional Computing Consortium
norm: arrowhead regional computing consortium
Industry: Technologyllm

Discovered: Feb 6, 2023
Breach occurred: Feb 6, 2023 – Dec 7, 2023
Undetected for: 0 daysoccurrence → discovery
Materiality determined: —
Notification sent: Jan 11, 2024
Affected individuals: 25state-resident count only
Data types: Identity (basic)Government ID
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing Application
Threat actor: External
Regulator citations: Notified New Hampshire Attorney General John Formella
Initial access: exploit_public_facing

During the incident: Commenced a prompt and thorough investigation with external cybersecurity professionals
Worked to identify what personal information, if any, might have been present in the accessed and acquired systems
Conducted a thorough forensic investigation and extensive manual review
Notified the affected residents
Provided best practices to protect their information
Advised affected residents to review financial account statements
Advised affected residents about the process for placing a fraud alert and/or security freeze
Provided contact information for consumer reporting agencies and the Federal Trade Commission
Changes made: Offered a complimentary one-year membership in identity theft protection services through IDX, a ZeroFox Company
IDX identity protection services includes 12 months of credit and CyberScan monitoring
$1,000,000 Insurance reimbursement policy
Fully managed id theft recovery services
Continually evaluates and modifies its practices to enhance the security and privacy of the personal information it maintains
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 49 weeks(345 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 ↗

Indiana State AGJan 11 · first

Vermont State AGJan 11 · first

Maine State AGJan 11 · first

New Hampshire State AG+6d · this page

Pattern: first filing Jan 11 (IN), last Jan 17 (NH) — a 6-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

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/arrowhead-regional-computing-consortium-20240117.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jan 17, 2024
Raw hash: c0422c8157a75ebee42f31451bb47d330a267504cbfc767fb95172b2310694cd

Linked disclosures

Regulatory filings (3) · sorted by filing gap

Reporting entityMCDONALD HOPKINS LLC

Victim entityArrowhead Regional Computing Consortium

Incidentdiscovered Feb 6, 2023

Stated responseCommenced a prompt and thorough investigation with external cybersecurity professionals

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov