HackingProfessional ServicesProfessional ServicesData ExfiltratedIdentity (basic)Government IDMediumContained

Martin, Disiere, Jefferson & Wisdom LLP

bd_13e40959fc7771bc · schema v1 · pii pii-v1

Severity

Medium

Discovered

Jan 28, 2024

Filed

Mar 26, 2024

To disclose

8 weeks

Affected

Not disclosed

Confidence

66%

Full breach record for Martin, Disiere, Jefferson & Wisdom LLP →

Martin, Disiere, Jefferson & Wisdom LLP notified Vermont residents of a cybersecurity incident in late January 2024 where unauthorized parties accessed the firm's network and copied files containing names and Social Security numbers. The firm implemented supplemental technical security measures and offered 12 months of complimentary identity monitoring via Experian.

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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 · 13 days

discovery → filing · 8 weeks / 58 days

Jan 15, 2024

Begins

Jan 28, 2024

Discovered

Mar 26, 2024

Filed

vs. sector median

10 wks faster

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

Name: Martin, Disiere, Jefferson & Wisdom LLP
norm: martin disiere jefferson wisdom

Name: Martin, Disiere, Jefferson & Wisdom LLP
norm: martin disiere jefferson wisdom
Industry: Professional Servicesllm

Discovered: Jan 28, 2024
Breach occurred: Jan 15, 2024 – Jan 20, 2024
Undetected for: 13 daysoccurrence → discovery
Materiality determined: —
Notification sent: Mar 26, 2024
Affected individuals: Not disclosed
Data types: Identity (basic)Government ID
Data elements: Social Security number
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid AccountsT1119 Automated Collection
Threat actor: External
Regulator citations: Filed notice with Vermont Attorney General

During the incident: Began a review of the matter to determine what occurred
Took steps to confirm the security of the network
Undertook a review of the files to identify sensitive information
Notifying individuals about this matter
Providing complimentary identity monitoring services
Implemented supplemental technical security measures and practices
Changes made: Implemented supplemental technical security measures and practices to reduce the risk of an event like this occurring
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 8 weeks(58 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.

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/2024-03-26-martin-disiere-jefferson-wisdom-data-breach-notice-consumers
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Mar 26, 2024
Raw hash: b848598624c4a2565ebdc0a20d69a728edfe2b27ad8a1dee9217f9fec705a057

Reporting entityMartin, Disiere, Jefferson & Wisdom LLP

Victim entityMartin, Disiere, Jefferson & Wisdom LLP

Incidentdiscovered Jan 28, 2024

Stated responseBegan a review of the matter to determine what occurred

ComplianceVT AG >14 bday

Extraction provenanceno artifact recorded

Source provenanceago.vermont.gov