UnknownProfessional ServicesProfessional ServicesCustomer Data InvolvedIdentity (basic)Government IDMedium

Tax-MT, PLLC

bd_a2b0e51eb9a6dc95 · schema v1 · pii pii-v2

Severity

Medium

Discovered

—

Filed

Oct 1, 2026

To disclose

—

Affected

3state residents only

Confidence

68%

Tax-MT, PLLC notified Massachusetts residents of a data security incident that may have involved personal information, including Social Security numbers. The company is offering 24 months of complimentary credit monitoring and identity theft protection services through Experian. The specific cause, date of discovery, and number of affected individuals were not disclosed in the notice.

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Incident timeline — partial

? — ?

Breach window unknown

Oct 1, 2026

Filed

No interval is drawn: no breach start or discovery date is on record for this filing.

Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed3 affectedView incident

Name: Tax-MT, PLLC
norm: tax mt

Name: Tax-MT, PLLC
norm: tax mt
Industry: Professional Servicesllm

Discovered: —
Materiality determined: —
Notification sent: Oct 20, 2026
Affected individuals: 3state-resident count only
Data types: Identity (basic)Government ID
Attack vector: Unknown

During the incident: Offering 24 months of complimentary credit monitoring through Experian
Providing a $1 million identity fraud loss reimbursement policy
Providing fully managed identity theft recovery services
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://www.mass.gov/doc/2026-1820-tax-mt-pllc/download
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Oct 1, 2026
Raw hash: b91f01121ec7bcb30af160bfce3c7cc16aceaec09cec34d392d50b8b96f0800b

Reporting entityTax-MT, PLLC

Victim entityTax-MT, PLLC

IncidentUnknown

Stated responseOffering 24 months of complimentary credit monitoring through Experian

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancewww.mass.gov