Social EngineeringProfessional ServicesProfessional ServicesPhishingStolen CredentialsData ExfiltratedCustomer Data InvolvedMulti-Stage ChainPIIIdentity (basic)LowContained

McGivney, Kluger, Clark & Intoccia, P.C.

bd_0ccaf36ef44971d8 · schema v1 · pii pii-v1

Severity

Low

Discovered

Jan 30, 2023

Filed

May 31, 2023

To disclose

17 weeks

Affected

11state residents only

Linked

4 filings

Confidence

66%

Full breach record for McGivney, Kluger, Clark & Intoccia, P.C. →

McGivney, Kluger, Clark & Intoccia, P.C. (MKCI) notified the NH Attorney General of a cyber incident affecting 11 NH residents. On Jan 30, 2023, employees received an email from an unidentified sender claiming to have taken MKCI data. Investigation revealed data was copied in Nov 2022. Personal information was impacted. MKCI engaged cybersecurity professionals, reported to law enforcement, and offered 12 months of credit monitoring.

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Incident timeline

undetected · 90 days

discovery → filing · 17 weeks / 121 days

Nov 1, 2022

Begins

Jan 30, 2023

Discovered

May 1, 2023

Scope determined

May 31, 2023

Filed

vs. sector median

1 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

Maine State AGbd_7b0d9d723a6a8a822023-05-26 · +5dCandidate
Massachusetts State AGbd_7c843ae2e8c62d2a2023-05-26 · +5dVerified
Indiana State AGbd_86106ee843a475c52023-05-26 · +5dVerified

Name: MCDONALD HOPKINS LLC
norm: mcdonald hopkins

Name: McGivney, Kluger, Clark & Intoccia, P.C.
norm: mcgivney kluger clark intoccia
Industry: Professional Servicesllm

Discovered: Jan 30, 2023
Breach occurred: Nov 1, 2022
Undetected for: 90 daysoccurrence → discovery
Materiality determined: May 1, 2023
Notification sent: May 26, 2023
Affected individuals: 11state-resident count only
Data types: PIIIdentity (basic)
Attack vector: Phishing
MITRE ATT&CK: T1566.002 Spearphishing LinkT1041 Exfiltration Over C2 Channel
Threat actor: ExternalFinancial
Regulator citations: reported the incident to law enforcement
Initial access: phishing_link

During the incident: Launched an investigation in consultation with outside cybersecurity professionals
Reported the incident to law enforcement
Conducted comprehensive investigation and manual document review
Providing the affected residents with 12 months of credit monitoring
Advising the residents about the process for placing a fraud alert and/or security freeze on their credit files
Changes made: Continually evaluates and modifies its practices and internal controls to enhance the security and privacy of the personal information
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 17 weeks(121 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 ↗

Maine State AGMay 26 · first

Massachusetts State AGMay 26 · first

Indiana State AGMay 26 · first

New Hampshire State AG+5d · this page

Pattern: first filing May 26 (ME), last May 31 (NH) — a 5-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/mcgivney-kluger-clark-intoccia-20230531.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: May 31, 2023
Raw hash: a83aaac05de44acf23cca4ed7230417690886417adeed7b228edc47c6db343a6

Linked disclosures

Regulatory filings (3) · sorted by filing gap

Reporting entityMCDONALD HOPKINS LLC

Victim entityMcGivney, Kluger, Clark & Intoccia, P.C.

Incidentdiscovered Jan 30, 2023

Stated responseLaunched an investigation in consultation with outside cybersecurity professionals

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov