Where does the Builders FirstSource, Inc. case file come from?

Every entry is taken from the breach report Builders FirstSource, Inc. lodged with the Massachusetts Attorney General. Nothing here is estimated.

Why do the incident date and the report date differ?

Companies usually investigate before they report. The gap between the two dates shows how long that took.

What does the records-affected figure count?

It is the number the company gave the state. It can cover residents of that state only, so the national total may be higher.

Does this case file change over time?

Yes. When a company files an update or a new state publishes its copy of the report, the dates and counts here are refreshed.

Case file

Case File: Builders FirstSource, Inc. Data Breach

This file collects the dated facts on record for the Builders FirstSource, Inc. incident. The state report is dated August 7, 2026.

Timeline

August 7, 2026Report filed in MassachusettsDate the notice was lodged with the Massachusetts Attorney General.

Case facts

Filing state: Massachusetts
Date reported: August 7, 2026
Receiving office: Massachusetts Attorney General

Case notes

Builders FirstSource, Inc. reported a data security incident to the Massachusetts Attorney General's office on August 7, 2026. The company serves as a major supplier and manufacturer of structural building materials and components across the United States. This official filing acknowledges a compromise of data held by the organization.

The specifics of how the breach occurred and the exact date it began remain undisclosed in the public record. Builders FirstSource has indicated that the incident is currently under investigation. This means details about the scope and nature of the compromise are still being assessed.

While the specific categories of information exposed were not detailed in the filing, the incident involved personal information maintained by Builders FirstSource. Given the company's operations, this data could relate to employees, contractors, or business partners. It is crucial to remember that the exact types of data have not been publicly specified.

Individuals who receive a direct notification from Builders FirstSource should understand that their personal information was part of the compromised data. Such exposure can lead to an increased risk of various forms of misuse, including attempts at identity theft or unauthorized access to accounts.

To mitigate potential risks, affected individuals should remain vigilant. Regularly monitor financial statements and credit reports for any suspicious activity. Consider placing a fraud alert or security freeze on credit files as a proactive measure. Be cautious of unsolicited communications requesting personal details.

Questions about this case file

Where does the Builders FirstSource, Inc. case file come from?: Every entry is taken from the breach report Builders FirstSource, Inc. lodged with the Massachusetts Attorney General. Nothing here is estimated.
Why do the incident date and the report date differ?: Companies usually investigate before they report. The gap between the two dates shows how long that took.
What does the records-affected figure count?: It is the number the company gave the state. It can cover residents of that state only, so the national total may be higher.
Does this case file change over time?: Yes. When a company files an update or a new state publishes its copy of the report, the dates and counts here are refreshed.

Massachusetts data breaches

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Timeline

Case facts

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