Alpine Lumber Company Data Breach: What the Indiana Filing Shows

Alpine Lumber Company, a supplier of lumber and building materials, recently reported a data security incident that affected its digital network. The breach, which occurred on December 14, 2025, was officially filed with the Indiana Attorney General on February 18, 2026. This report confirms that an unauthorized actor gained access to the company's systems.

The breach involved sensitive personal information, including Full Name, Social Security Number, Date of Birth, Home Address, Wage and Compensation Information, Direct Deposit Account Details, Tax Return Information, Commercial Credit Application Data, Phone Number, and Email Address. These details were part of the extensive data Alpine Lumber Company processes for its operations, which include personnel records, commercial credit applications, and B2B vendor transactions.

Upon discovering the compromise, Alpine Lumber Company initiated an investigation. The company is currently monitoring the situation to understand the full scope of the incident and to secure its systems against future threats. Details of this incident are based on public filings submitted to state regulators.

Individuals who received a notification letter from Alpine Lumber Company should remain vigilant. It is recommended to monitor financial accounts and credit reports for any suspicious activity. Consider placing a fraud alert or security freeze on your credit files to help prevent unauthorized access to your credit.

Reviewing statements from banks and other financial institutions regularly can help detect any unusual transactions promptly. Additionally, be cautious of unsolicited communications, especially those requesting personal information, as data breaches can sometimes lead to increased phishing attempts.