Master Millwork Data Breach Lawsuit Investigation
Master Millwork is notifying consumers that unauthorized actors accessed certain company systems between February 1 and February 5, 2026. If you received a breach letter dated March 30, 2026, you may be entitled to free identity-protection services and could qualify to pursue a legal claim. Contact our data-breach team for a free case evaluation today.
What Happened?
Full Legal Name (Short/Brand Name): Master Millwork, LLC (Master Millwork)
According to the company’s notice filed with the Maine Attorney General on April 1, 2026, Master Millwork detected suspicious activity within its network on February 4, 2026. An immediate investigation confirmed that an unauthorized party had access to certain systems from February 1 through February 5, 2026. The company completed a comprehensive data review on March 13, 2026 and began mailing written notifications to potentially affected individuals on March 30, 2026.
Information Exposed
The review determined that the following categories of information may have been exposed:
Names
Additional personal data elements referenced in the letter (exact elements were not specified in the public filing)
Master Millwork’s Response
Resetting employee passwords
Conducting a thorough forensic investigation
Reviewing and enhancing data-security policies and procedures
Offering complimentary credit-monitoring and identity-protection services through Cyberscout (a TransUnion company)
Free Credit Monitoring Details
Impacted individuals can enroll in 24 months of credit monitoring, credit-report, and credit-score services at no cost:
Provider: Cyberscout (TransUnion)
Enrollment portal: bfs.cyberscout.com/activate
Enrollment deadline: 90 days from the date on your letter
Key Dates
Breach window: February 1 – February 5, 2026
Breach discovered: February 4, 2026
Review completed: March 13, 2026
Consumer notices mailed: March 30, 2026
Maine AG filing: April 1, 2026
Next Steps for Impacted Individuals
Enroll in the free Cyberscout services before the 90-day deadline.
Retrieve a free annual credit report at annualcreditreport.com and review for unfamiliar activity.
Consider placing a fraud alert or credit freeze with Equifax, Experian, or TransUnion.
Maintain copies of any correspondence related to the breach for potential legal claims.
Company Overview
Master Millwork is an architectural millwork manufacturer headquartered in West Wareham, Massachusetts.
Website: mastermillwork.com
Industry: Architectural Millwork
Headquarters: 55 Charlotte Furnace Rd, West Wareham, MA, United States
Year Founded: 2003
Employee Count: Approximately 165
Sources
Impacted Entities
Frequently Asked Questions
I received a data breach letter from Master Millwork — what should I do?
Follow the enrollment instructions in the letter to activate your complimentary Cyberscout credit-monitoring services within 90 days, monitor your accounts, and consider legal options.
How do I submit a claim related to the Master Millwork data breach?
Preserve your letter, any proof of identity theft, and receipts for out-of-pocket losses. Then contact our firm for a free review of your eligibility to join a data-breach lawsuit or settlement.
Am I eligible to join a lawsuit against Master Millwork?
Eligibility generally depends on whether your personal information was involved and if you suffered economic or time losses. A free legal consultation can confirm your rights.
What information did the Master Millwork breach expose?
The notice states that names and additional unspecified personal data elements may have been impacted.
Did Master Millwork offer credit monitoring, and for how long?
Yes. The company is providing 24 months of no-cost credit monitoring, credit reports, and identity-protection services through Cyberscout.
How many people were affected by the Master Millwork breach?
The public filing did not disclose the total number of impacted individuals.
How can I get the official breach notice (PDF) for Master Millwork?
You can download it directly from the Maine Attorney General’s website using the button above or this link.
Attorney Advertising. Prior results do not guarantee a similar outcome.
