Quest Builders Group Data Breach Exposes SSNs

Quest Builders Group Inc. (QBG), a privately held construction company based in New York City, disclosed a data breach.

The breach was disclosed to the Massachusetts Office of Consumer Affairs and Business Regulation on Aug. 14, 2026. The company began mailing notification letters to affected consumers on Aug. 12, 2026.

At this time, the company letter did not publicly disclose details about how the breach occurred, what type of cyberattack was involved, when the incident took place, or when the breach was discovered.

Quest Builders Group did not indicate whether the incident involved unauthorized access to its computer systems, a phishing attack, ransomware or another type of security event.

The type of personal information exposed in the breach included Social Security numbers.

Quest Builders Group's response to the breach

Quest Builders Group is offering 24 months of free single-bureau credit monitoring, credit report and credit score services through Cyberscout, a TransUnion company. The company is also providing proactive fraud assistance to help individuals with questions or in the event they become a victim of fraud.

Affected individuals who wish to enroll in the complimentary credit monitoring can do so by visiting Cyberscout's activation page and entering the unique code provided in their notification letter. Enrollment must be completed within 90 days of the letter's date.

Quest Builders Group has also set up a dedicated call center for people with questions about the breach. The call center is available Monday through Friday from 8 a.m. to 8 p.m. Eastern time, excluding major U.S. holidays and can be reached by dialing the number specified on the individual's notification letter.

Individuals can also contact the company by writing to 49 W. 45th St., 3rd Floor, New York, NY 10036.