HackingOtherData ExfiltratedCustomer Data InvolvedIdentity (basic)Government IDMediumContained

Priester Holdings LLC

bd_1d16d53b8db1fd61 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Oct 3, 2025

Filed

Nov 6, 2025

To disclose

5 weeks

Affected

2state residents only

Linked

2 filings

Confidence

66%

Full breach record for Priester Holdings LLC →

Priester Holdings, LLC notified the New Hampshire Attorney General of unauthorized network access occurring on September 6, 2025. The breach affected approximately two New Hampshire residents, exposing names and Social Security numbers. The company contained the network, engaged forensic investigators, and provided one year of complimentary credit monitoring to affected individuals.

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Incident timeline

undetected · 27 days

discovery → filing · 5 weeks / 34 days

Sep 6, 2025

Begins

Oct 3, 2025

Discovered

Nov 6, 2025

Filed

vs. sector median

3 wks faster

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

Indiana State AGbd_f244e347e62ada412025-11-03 · +3dCandidate

Name: Priester Holdings LLC
norm: priester holdings

Name: Priester Holdings LLC
norm: priester holdings
Industry: Otherllm

Discovered: Oct 3, 2025
Breach occurred: Sep 6, 2025
Undetected for: 27 daysoccurrence → discovery
Materiality determined: —
Notification sent: Nov 3, 2025
Affected individuals: 2state-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
Regulator citations: Notified New Hampshire Office of the Attorney General
Initial access: valid_credentials

During the incident: Launched an investigation in consultation with outside cybersecurity professionals
Contained and secured the network
Eradicated the threat
Provided the affected residents with written notification
Offering complimentary credit monitoring for one year
Changes made: Reviewed and revised our information security practices
Implemented additional security measures to mitigate the chance of a similar event in the future
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 5 weeks(34 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 2 filings · 2 states

View merged incident ↗

Indiana State AGNov 3 · first

New Hampshire State AG+3d · 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/priester-holdings-20251106.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Nov 6, 2025
Raw hash: 210f7832e81546bd1f3bcba3cbd0897de3d0d7ca42bd8a3ff2c592bb012b8b1e

Linked disclosures

Regulatory filings (1) · sorted by filing gap

Reporting entityPriester Holdings LLC

Victim entityPriester Holdings LLC

Incidentdiscovered Oct 3, 2025

Stated responseLaunched an investigation in consultation with outside cybersecurity professionals

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov