MalwareProfessional ServicesProfessional ServicesRansomwareData ExfiltratedData EncryptedIdentity (basic)MediumContained

Hardin, Kundla, McKeon, & Poletto

bd_3384163120222ac2 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Mar 31, 2025

Filed

May 29, 2025

To disclose

8 weeks

Affected

12,063

Linked

7 filings

Confidence

67%

Full breach record for Hardin, Kundla, McKeon, & Poletto →

Hardin, Kundla, McKeon & Poletto, P.C. notified consumers of a data security incident involving a malicious encryption attack in January 2024. The incident resulted in unauthorized copying of files containing names and Social Security numbers. Approximately 12,063 individuals were notified. The firm engaged cybersecurity experts and is offering complimentary identity protection services.

J jump to incidentP pin to compareR raw source

Vermont clock⏱ VT AG >14 bday8 weeks discovery → filing

⚠ unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.

Incident timeline

undetected · 455 days

discovery → filing · 8 weeks / 59 days

Jan 1, 2024

Begins

Mar 31, 2025

Discovered

May 29, 2025

Filed

vs. sector median

10 wks faster

This filing is one of 7 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (6) · sorted by filing gap

Nebraska State AGbd_31bd922ce64278f62025-05-29Verified
Indiana State AGbd_61268bce7bc619bc2025-05-29Verified
Massachusetts State AGbd_7f4125e0370194672025-05-29Verified
Maine State AGbd_9b170ee0854137832025-05-29Candidate

Show 2 more filings ↓up to 1d gap

New Hampshire State AGbd_e88fc6018d962b262025-05-29Verified
Texas State AGbd_063a3404d03530c32025-05-30 · +1dVerified

Name: Hardin, Kundla, McKeon, & Poletto
norm: hardin kundla mckeon poletto

Name: Hardin, Kundla, McKeon, & Poletto
norm: hardin kundla mckeon poletto
Industry: Professional Servicesllm

Discovered: Mar 31, 2025
Breach occurred: Jan 1, 2024 – Jan 31, 2024
Undetected for: 455 daysoccurrence → discovery
Materiality determined: May 29, 2025
Notification sent: May 29, 2025
Affected individuals: 12,063nationwide
Data types: Identity (basic)
Attack vector: Ransomware
MITRE ATT&CK: T1486 Data Encrypted for ImpactT1041 Exfiltration Over C2 Channel
Threat actor: ExternalFinancial

During the incident: Engaged a team of leading cybersecurity experts to investigate the matter
Offering months of complimentary identity protection services through Cyberscout, a Transunion company
Changes made: Implemented measures to enhance the security of our computer environment
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 8 weeks(59 days from discovery to filing)
Compliance flags: VT AG >14 bday
Discovery-date grounding: unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 7 filings · 7 states

View merged incident ↗

Nebraska State AGMay 29 · first

Indiana State AGMay 29 · first

Massachusetts State AGMay 29 · first

Maine State AGMay 29 · first

New Hampshire State AGMay 29 · first

Vermont State AGMay 29 · first · this page

Texas State AG+1d

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://ago.vermont.gov/document/2025-05-29-hardin-kundla-mckeon-poletto-data-breach-notice-consumers
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: May 29, 2025
Raw hash: 5696563c35b9df01e516667f59f6bacc24b902333cfd2d370407d4244234f7cc

Linked disclosures

Regulatory filings (6) · sorted by filing gap

Reporting entityHardin, Kundla, McKeon, & Poletto

Victim entityHardin, Kundla, McKeon, & Poletto

Incidentdiscovered Mar 31, 2025

Stated responseEngaged a team of leading cybersecurity experts to investigate the matter

ComplianceVT AG >14 bday

Extraction provenanceno artifact recorded

Source provenanceago.vermont.gov