HackingProfessional ServicesProfessional ServicesData ExfiltratedCustomer Data InvolvedIdentity (basic)Government IDMediumContained

Midkiff, Muncie & Ross, P.C

bd_9e9ab44055555856 · schema v1 · pii pii-v2

Severity

Medium

Discovered

Dec 8, 2025

Filed

Sep 14, 2026

To disclose

40 weeks

Affected

13state residents only

Linked

4 records

Confidence

68%

Full breach record for Midkiff, Muncie & Ross, P.C →

Midkiff, Muncie & Ross PC notified the NH Attorney General that an unknown actor potentially acquired files containing names and Social Security numbers of 13 New Hampshire residents. The firm first became aware of unusual activity disrupting IT systems on December 8, 2025. The incident was contained, and a forensic investigation confirmed the scope of impact on August 18, 2026. Affected individuals were notified via mail on September 10, 2026, and offered complimentary credit monitoring and identity protection services.

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Leak gap clock✗ Leak >180d40 weeks discovery → filing

Incident timeline

discovery → filing · 40 weeks / 280 days

Dec 8, 2025

Discovered

Sep 14, 2026

Filed

vs. sector median

+20 wks slower

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

A leak claim by nightspire about this victim was first seen 258 days before this filing.View originating leak claim

Linked disclosures

Why this link?

Ransomware claims (1)

Leak Sitenightspirebd_ea4c79f00d2dd5cb2025-12-07 · +281dCandidate

Regulatory filings (2) · sorted by filing gap

Vermont State AGbd_1b49adf6e963075d2026-09-10 · +4dVerified by operator
Indiana State AGbd_b85a7a7fd23ae9702026-09-10 · +4dVerified

Name: Midkiff, Muncie & Ross, P.C
norm: midkiff muncie ross
Domain: midkifflaw.com

Name: Midkiff, Muncie & Ross, P.C
norm: midkiff muncie ross
Domain: midkifflaw.com
Industry: Professional Servicesllm

Discovered: Dec 8, 2025
Materiality determined: —
Notification sent: Sep 10, 2026
Affected individuals: 13state-resident count only
Data types: Identity (basic)Government ID
Attack vector: Unknown
MITRE ATT&CK: T1041 Exfiltration Over C2 Channel
Threat actor: External
Regulator citations: Reported this incident to federal law enforcement

During the incident: Retained cybersecurity experts and launched a forensics investigation to determine the source and scope of the compromise
Implemented additional security measures to further harden its environment in an effort to prevent a similar event from occurring in the future
Reported this incident to federal law enforcement and is cooperating with the investigation
Notifying the affected individuals and providing resources and steps individuals can take to help protect their information
Offering affected individuals complimentary monitoring and identity protection services through IDX
Changes made: Implemented additional security measures to further harden its environment in an effort to prevent a similar event from occurring in the future
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 40 weeks(280 days from discovery to filing)
Compliance flags: Leak >180d
Discovery-date grounding: letter-groundedThe discovery date is the detection date narrated in the notification letter — the defensible tier.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 3 filings · 3 states

View merged incident ↗

Vermont State AGSep 10 · first

Indiana State AGSep 10 · 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/midkiff-muncie-ross-20260914.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Sep 14, 2026
Raw hash: 4cb35e3744986993f37ddb579c8d2b53bfaff76af3e693e58b4790f310dc8069

Linked disclosures

Ransomware claims (1)

Regulatory filings (2) · sorted by filing gap

Reporting entityMidkiff, Muncie & Ross, P.C

Victim entityMidkiff, Muncie & Ross, P.C

Incidentdiscovered Dec 8, 2025

Stated responseRetained cybersecurity experts and launched a forensics investigation to determine the source and scope of the compromise

ComplianceLeak >180d

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov