LoneStar Truck Group/TAG Truck Center Data Breach Exposes Sensitive Personal Information
Shamis & Gentile P.A., a class action law firm specializing in data breach cases, is investigating a recent cybersecurity incident involving LoneStar Truck Group and TAG Truck Center, a network of Freightliner and Western Star dealerships operating across the southern U.S. The breach, disclosed on May 28, 2026, impacted at least 1,725 individuals in Texas, with affected parties notified via U.S. mail.
The exposed data includes names, addresses, and Social Security numbers, raising concerns over potential identity theft and financial fraud. LoneStar Truck Group and TAG Truck Center, which provide commercial truck sales, parts, and service in Texas, Tennessee, Arkansas, Mississippi, Missouri, Kentucky, Louisiana, and New Mexico, reported the incident to the Texas Attorney General as part of regulatory compliance.
Legal teams are now reviewing the breach to determine eligibility for compensation, with investigations ongoing to assess the full scope of the incident and its impact on affected individuals.
Source: https://www.claimdepot.com/investigations/lonestar-truck-group-data-breach-2026
LoneStar Truck Group TPRM report: https://www.rankiteo.com/company/lonestartruckgroup
"id": "lon1780000402",
"linkid": "lonestartruckgroup",
"type": "Breach",
"date": "5/2026",
"severity": "85",
"impact": "4",
"explanation": "Attack with significant impact with customers data leaks"{'affected_entities': [{'customers_affected': '1,725',
'industry': 'Automotive',
'location': 'Southern U.S. (Texas, Tennessee, '
'Arkansas, Mississippi, Missouri, '
'Kentucky, Louisiana, New Mexico)',
'name': 'LoneStar Truck Group',
'type': 'Commercial Truck Dealership'},
{'customers_affected': '1,725',
'industry': 'Automotive',
'location': 'Southern U.S. (Texas, Tennessee, '
'Arkansas, Mississippi, Missouri, '
'Kentucky, Louisiana, New Mexico)',
'name': 'TAG Truck Center',
'type': 'Commercial Truck Dealership'}],
'customer_advisories': 'U.S. mail notifications sent to affected individuals',
'data_breach': {'number_of_records_exposed': '1,725',
'personally_identifiable_information': 'Names, addresses, '
'Social Security '
'numbers',
'sensitivity_of_data': 'High (Social Security numbers, names, '
'addresses)',
'type_of_data_compromised': 'Personal Identifiable '
'Information (PII)'},
'date_publicly_disclosed': '2026-05-28',
'description': 'Shamis & Gentile P.A. is investigating a cybersecurity '
'incident involving LoneStar Truck Group and TAG Truck Center, '
'a network of Freightliner and Western Star dealerships. The '
'breach exposed sensitive personal information, including '
'names, addresses, and Social Security numbers, impacting at '
'least 1,725 individuals in Texas.',
'impact': {'data_compromised': 'Names, addresses, Social Security numbers',
'identity_theft_risk': 'High',
'legal_liabilities': 'Potential eligibility for compensation'},
'investigation_status': 'Ongoing',
'references': [{'source': 'Shamis & Gentile P.A. Press Release'}],
'regulatory_compliance': {'legal_actions': 'Reported to Texas Attorney '
'General',
'regulatory_notifications': 'Texas Attorney '
'General'},
'response': {'communication_strategy': 'U.S. mail notifications to affected '
'individuals',
'third_party_assistance': 'Shamis & Gentile P.A. (legal '
'investigation)'},
'title': 'LoneStar Truck Group/TAG Truck Center Data Breach Exposes Sensitive '
'Personal Information',
'type': 'Data Breach'}