Halstead Property Company, Terra Holdings, LLC and Brown Harris Stevens: Terra Holdings Data Breach Lawsuit Investigation

Halstead Property Company, Terra Holdings, LLC and Brown Harris Stevens: Terra Holdings Data Breach Lawsuit Investigation

Terra Holdings Data Breach Exposes Sensitive Personal Information

Terra Holdings, LLC a parent company of luxury real estate brands including Brown Harris Stevens, Halstead Property Company, and The Vanderbilt Companies reported a data breach affecting an undisclosed number of individuals. The incident, discovered on February 13, 2025, involved unauthorized access to company systems between February 11 and 13, 2025.

A third-party forensic investigation determined that sensitive files were accessed or exfiltrated during the breach. It wasn’t until January 26, 2026, that the company identified the individuals whose data may have been compromised. Notifications were filed with the Massachusetts Office of Consumer Affairs and Business Regulation on February 12, 2026, and the Vermont Attorney General the following day. At least 143 Massachusetts residents were confirmed as affected, though the total number of impacted individuals remains undisclosed.

Exposed data includes:

  • Social Security numbers
  • Driver’s licenses
  • Financial account numbers

Shamis & Gentile P.A., a class action law firm specializing in data breach cases, is investigating potential legal claims for those affected. The firm has indicated that impacted individuals may be eligible for compensation.

Source: https://www.claimdepot.com/investigations/terra-holdings-data-breach-2026

Halstead Property Company TPRM report: https://www.rankiteo.com/company/halsteadrealestate

Terra Holdings, LLC TPRM report: https://www.rankiteo.com/company/terra-group

Brown Harris Stevens TPRM report: https://www.rankiteo.com/company/brown-harris-stevens-luxury-real-estate

"id": "brohalter1771015108",
"linkid": "brown-harris-stevens-luxury-real-estate, halsteadrealestate, terra-group",
"type": "Breach",
"date": "2/2025",
"severity": "85",
"impact": "4",
"explanation": "Attack with significant impact with customers data leaks"
{'affected_entities': [{'customers_affected': 'Undisclosed (at least 143 '
                                              'Massachusetts residents)',
                        'industry': 'Real Estate',
                        'name': 'Terra Holdings, LLC',
                        'type': 'Parent Company'},
                       {'industry': 'Real Estate',
                        'name': 'Brown Harris Stevens',
                        'type': 'Subsidiary'},
                       {'industry': 'Real Estate',
                        'name': 'Halstead Property Company',
                        'type': 'Subsidiary'},
                       {'industry': 'Real Estate',
                        'name': 'The Vanderbilt Companies',
                        'type': 'Subsidiary'}],
 'data_breach': {'data_exfiltration': 'Yes',
                 'personally_identifiable_information': 'Yes',
                 'sensitivity_of_data': 'High',
                 'type_of_data_compromised': ['Social Security numbers',
                                              'Driver’s licenses',
                                              'Financial account numbers']},
 'date_detected': '2025-02-13',
 'date_publicly_disclosed': '2026-02-12',
 'description': 'Terra Holdings, LLC reported a data breach affecting an '
                'undisclosed number of individuals. The incident involved '
                'unauthorized access to company systems between February 11 '
                'and 13, 2025, with sensitive files accessed or exfiltrated. '
                'Notifications were filed with regulatory bodies in February '
                '2026, and at least 143 Massachusetts residents were confirmed '
                'as affected.',
 'impact': {'data_compromised': 'Sensitive personal information including '
                                'Social Security numbers, driver’s licenses, '
                                'and financial account numbers',
            'identity_theft_risk': 'High',
            'legal_liabilities': 'Potential class action lawsuits',
            'payment_information_risk': 'High'},
 'investigation_status': 'Ongoing (class action investigation)',
 'references': [{'source': 'Massachusetts Office of Consumer Affairs and '
                           'Business Regulation'},
                {'source': 'Vermont Attorney General'},
                {'source': 'Shamis & Gentile P.A.'}],
 'regulatory_compliance': {'legal_actions': 'Class action investigation by '
                                            'Shamis & Gentile P.A.',
                           'regulatory_notifications': ['Massachusetts Office '
                                                        'of Consumer Affairs '
                                                        'and Business '
                                                        'Regulation',
                                                        'Vermont Attorney '
                                                        'General']},
 'response': {'communication_strategy': 'Regulatory notifications filed with '
                                        'Massachusetts and Vermont authorities',
              'third_party_assistance': 'Third-party forensic investigation'},
 'title': 'Terra Holdings Data Breach Exposes Sensitive Personal Information',
 'type': 'Data Breach'}
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