UnknownConstructionConstructionCustomer Data InvolvedFinancial accountIdentity (basic)Government IDMedium

Builders FirstSource, Inc.

bd_cb93fcbba5e1243a · schema v1 · pii pii-v1

Severity

Medium

Discovered

—

Filed

Aug 7, 2026

To disclose

—

Affected

8state residents only

Confidence

66%

Full breach record for Builders FirstSource, Inc. →

Builders FirstSource, Inc. notified Massachusetts residents of a data security incident involving their names and other data elements. The company offered two years of complimentary credit monitoring through Epiq’s Privacy Solutions ID and stated it has taken additional steps to enhance security measures. Specific dates, attack vectors, and affected counts were not disclosed in the provided notice.

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Incident timeline — partial

? — ?

Breach window unknown

Aug 7, 2026

Filed

—

No filing yet · watching

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

Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed8 affectedView incident

Name: Builders FirstSource, Inc.
norm: builders firstsource

Name: Builders FirstSource, Inc.
norm: builders firstsource
Industry: Constructionllm

Discovered: —
Materiality determined: —
Notification sent: —
Affected individuals: 8state-resident count only
Data types: Financial accountIdentity (basic)Government ID
Data elements: Social Security number
Attack vector: Unknown

During the incident: Arranged for two years of complimentary access to Epiq’s Privacy Solutions ID credit monitoring
Taken additional steps to enhance existing security measures
Changes made: Taken additional steps to enhance existing security measures
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/2026-1311-builders-firstsource-inc/download
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Aug 7, 2026
Raw hash: c3245311ad84e1f03631ba53e9f562b2b7016af6b6ac5450c26e64754fae8afb

Reporting entityBuilders FirstSource, Inc.

Victim entityBuilders FirstSource, Inc.

IncidentUnknown

Stated responseArranged for two years of complimentary access to Epiq’s Privacy Solutions ID credit monitoring

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancewww.mass.gov