Alliance Residential Data Breach Exposes Personal and Financial Data

Alliance Residential Co., a residential real estate development and investment company headquartered in Scottsdale, Arizona, disclosed a data breach involving the personal information of consumers.

The breach was reported to the Massachusetts Office of Consumer Affairs and Business Regulation on Oct. 30, 2026.

Alliance Residential identified a cybersecurity incident that may have involved certain personal information. Upon discovery, the company took steps to contain the incident and then launched an investigation with the assistance of leading third-party experts to determine the nature and scope of what occurred.

Following the investigation and review, the company determined that certain information relating to affected individuals may have been involved in the incident.

The types of personal information that may have been exposed include names, dates of birth, Social Security numbers, driver's license numbers or other government-issued identifiers and financial account information.

Alliance Residential's response to the breach

Alliance Residential is offering 24 months of complimentary credit monitoring, identity protection and fraud assistance services through IDX.

Affected individuals can enroll by visiting the IDX enrollment page or by calling 1-800-939-4170. Each affected individual received a unique enrollment code in their written notification letter. The deadline to enroll in these services is Jan. 30, 2027.

The company has also established a dedicated toll-free call center to answer questions about the incident. Affected individuals can reach it by calling 1-833-788-9712. The call center is open Monday through Friday, from 9 a.m. to 9 p.m. Eastern Time, excluding holidays.