HackingProfessional ServicesProfessional ServicesCustomer Data InvolvedIdentity (basic)Government IDMediumContained

Harrison Design Associates Inc

bd_ef6c8b3ccac1d32d · schema v1 · pii pii-v1

Severity

Medium

Discovered

Dec 16, 2025

Filed

Jan 16, 2026

To disclose

4 weeks

Affected

1state residents only

Linked

4 filings

Confidence

66%

Full breach record for Harrison Design Associates Inc →

Harrison Design Associates, Inc. notified the New Hampshire Attorney General of a cybersecurity event occurring between December 14 and 16, 2025. The breach potentially exposed the name and Social Security Number of one New Hampshire resident. Harrison Design retained forensic specialists, reviewed the data scope, and offered 24 months of complimentary credit monitoring and identity theft restoration services to the affected individual.

J jump to incidentP pin to compareR raw source

Incident timeline

undetected · 2 days

discovery → filing · 4 weeks / 31 days

Dec 14, 2025

Begins

Dec 16, 2025

Discovered

Jan 16, 2026

Filed

vs. sector median

14 wks faster

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_7318ef04209cf37c2026-01-16Candidate
Nebraska State AGbd_77aef9d0571b34582026-02-23 · +38dVerified
Massachusetts State AGbd_8cfb6ecd0b1286f32026-02-24 · +39dVerified

Name: Harrison Design Associates Inc
norm: harrison design associates

Name: Harrison Design Associates Inc
norm: harrison design associates
Industry: Professional Servicesllm

Discovered: Dec 16, 2025
Breach occurred: Dec 14, 2025 – Dec 16, 2025
Undetected for: 2 daysoccurrence → discovery
Materiality determined: —
Notification sent: Jan 16, 2026
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 Accounts
Threat actor: External
Initial access: valid_credentials

During the incident: Retained legal counsel and third-party forensic specialists to investigate the unusual activity
Began a comprehensive review of the data set to determine what sensitive and/or personal information was potentially impacted
Offered 24 months of complimentary credit monitoring and identity theft restoration services
Changes made: Amending and updating administrative and technological safeguards
Ongoing review and upgrades of security measures
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 4 weeks(31 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 16 · first

New Hampshire State AGJan 16 · first · this page

Nebraska State AG+38d

Massachusetts State AG+39d

Pattern: first filing Jan 16 (IN), last Feb 24 (MA) — a 39-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/harrison-design-associates-20260116.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jan 16, 2026
Raw hash: 1b8f80b4f0e38cfd61bb9230199eb5902f442a02abef7d311df349881a10632f

Linked disclosures

Regulatory filings (3) · sorted by filing gap

Reporting entityHarrison Design Associates Inc

Victim entityHarrison Design Associates Inc

Incidentdiscovered Dec 16, 2025

Stated responseRetained legal counsel and third-party forensic specialists to investigate the unusual activity

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov