HackingProfessional ServicesProfessional ServicesStolen CredentialsData ExfiltratedCustomer Data InvolvedIdentity (basic)Government IDMediumContained

McElroy, Quirk & Burch

bd_a03738952e0543da · schema v1 · pii pii-v2

Severity

Medium

Discovered

Oct 8, 2024

Filed

Dec 12, 2025

To disclose

—

Affected

Not disclosed

Confidence

65%

Full breach record for McElroy, Quirk & Burch →

McElroy, Quirk & Burch notified Nebraska residents of a data security incident discovered on October 8, 2024. Unauthorized access occurred between August 17 and October 2, 2024, potentially exposing names, Social Security numbers, dates of birth, and addresses. The firm engaged cybersecurity specialists and law enforcement, offering 12 months of credit monitoring.

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Incident timeline

undetected · 52 days

Aug 17, 2024

Begins

Oct 8, 2024

Discovered

Dec 12, 2025

Filed

Tracked as a single-filing incident — the only disclosure on record for this event so far.ConfirmedView incident

Name: McElroy, Quirk & Burch
norm: mcelroy quirk burch
Domain: mqb-cpa.com

Name: McElroy, Quirk & Burch
norm: mcelroy quirk burch
Domain: mqb-cpa.com
Industry: Professional Servicesllm

Discovered: Oct 8, 2024
Breach occurred: Aug 17, 2024 – Oct 2, 2024
Undetected for: 52 daysoccurrence → discovery
Materiality determined: —
Notification sent: Dec 12, 2025
Affected individuals: Not disclosed
Data types: Identity (basic)Government ID
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid Accounts
Threat actor: External
Initial access: valid_credentials

During the incident: Secured our systems
Implemented additional security safeguards
Engaged independent cybersecurity specialists
Notified law enforcement
Source: Quoted from the filing itself, not independently verified.

Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

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://nebraska.gov/ago/data-breach/documents/d0033157-f82b-4ade-bef7-c9748a7fe783.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Dec 12, 2025
Raw hash: a96e0654e43e73628330a0c9c46df3f9b3f338a6cba27afcde3ffcbfc8bc4184

Reporting entityMcElroy, Quirk & Burch

Victim entityMcElroy, Quirk & Burch

Incidentdiscovered Oct 8, 2024

Stated responseSecured our systems

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancenebraska.gov