UnknownGovernment IDFinancial accountMedium

Timberline Construction Corporation

bd_d5bc00c9a6225588 · schema v1 · pii pii-v1

Severity

Medium

Discovered

—

Filed

Oct 21, 2025

To disclose

—

Affected

266state residents only

Linked

4 filings

Confidence

95%

Full breach record for Timberline Construction Corporation →

Timberline Construction reported a data breach to the Massachusetts Office of Consumer Affairs and Business Regulation. The breach was reported on 2025-10-21. 266 Massachusetts residents were affected.

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Massachusetts clock✓ MA credit monitoring due

⚠ no discovery dateNo discovery date was extracted, so no notification clock can be evaluated.

Incident timeline — partial

? — ?

Breach window unknown

Oct 21, 2025

Filed

—

Corroborated · see linked filings

Compliance clocks stay unassessable until a regulatory filing lands. Dashed segments fill in automatically when corroboration arrives.

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

New Hampshire State AGbd_59446d7c22d9720f2025-10-21Verified
Vermont State AGbd_e7c9c4277b952d6d2025-10-21Verified
Maine State AGbd_e95b5da2980419662025-10-21Candidate

Name: Timberline Construction Corporation
norm: timberline construction
Domain: timberlineconstruction.com

Name: Timberline Construction Corporation
norm: timberline construction
Domain: timberlineconstruction.com

Discovered: —
Materiality determined: —
Notification sent: —
Affected individuals: 266state-resident count only
Data types: Government IDFinancial account
Data elements: Social Security numberFinancial account numberDriver's licence number
Stated not affected: Medical informationPayment card number
The filing states these were not involved. Categories absent from both lists were not addressed either way.
Attack vector: Unknown
Threat actor: External

Compliance flags: MA credit monitoring due
Discovery-date grounding: no discovery dateNo discovery date was extracted, so no notification clock can be evaluated.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 4 filings · 4 states

View merged incident ↗

New Hampshire State AGOct 21 · first

Vermont State AGOct 21 · first

Maine State AGOct 21 · first

Massachusetts State AGOct 21 · first · this page

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/data-breach-report-2025/download
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Oct 21, 2025
Raw hash: c0f6aac77790ef71a471ec0c286d870d90707ab6e0987cf8ba43b2e68f159a4f

Linked disclosures

Regulatory filings (3) · sorted by filing gap

Reporting entityTimberline Construction Corporation

Victim entityTimberline Construction Corporation

IncidentUnknown

ComplianceMA credit monitoring due

Extraction provenanceno artifact recorded

Source provenancewww.mass.gov