Toyota Motor Credit Corporation

On June 28, 2016, Toyota Financial Services (TFS) experienced a data breach when an associate inadvertently sent a spreadsheet containing sensitive customer information to a personal email account. The exposed data included customer account numbers and personal identifiers, though the exact number of affected individuals remains undisclosed. The incident was reported to the California Office of the Attorney General on August 26, 2016. The breach stemmed from human error, highlighting vulnerabilities in internal data-handling protocols. While no malicious intent was involved, the exposure of customer identifiers posed risks of identity theft or fraudulent activity. The company likely faced reputational damage and potential regulatory scrutiny due to the mishandling of confidential data. No evidence suggested further exploitation of the leaked information, but the incident underscored the need for stricter access controls and employee training to prevent similar occurrences in the future.

Source: https://oag.ca.gov/ecrime/databreach/reports/sb24-63586

TPRM report: https://www.rankiteo.com/company/toyota-financial-services-corporation

"id": "toy957091725",
"linkid": "toyota-financial-services-corporation",
"type": "Breach",
"date": "6/2016",
"severity": "85",
"impact": "4",
"explanation": "Attack with significant impact with customers data leaks"

{'affected_entities': [{'customers_affected': 'Unknown',
                        'industry': 'Automotive Financing',
                        'location': 'California, USA',
                        'name': 'Toyota Financial Services (TFS)',
                        'type': 'Financial Services'}],
 'attack_vector': 'Human Error (Misconfigured Email)',
 'data_breach': {'data_exfiltration': 'Yes (Emailed to Personal Account)',
                 'file_types_exposed': 'Spreadsheet',
                 'number_of_records_exposed': 'Unknown',
                 'personally_identifiable_information': True,
                 'sensitivity_of_data': 'High (PII & Financial Account Data)',
                 'type_of_data_compromised': ['Customer Account Numbers',
                                              'Personal Identifiers']},
 'date_detected': '2016-06-28',
 'date_publicly_disclosed': '2016-08-26',
 'description': 'The California Office of the Attorney General reported a data '
                'breach involving Toyota Financial Services (TFS) on August '
                '26, 2016. The breach occurred on June 28, 2016, when an '
                'associate mistakenly emailed a spreadsheet containing '
                'customer information to a personal email account. Specific '
                'details indicated that customer account numbers and personal '
                'identifiers were included, but the number of individuals '
                'affected is unknown.',
 'impact': {'brand_reputation_impact': 'Potential (Unknown Scale)',
            'data_compromised': True,
            'identity_theft_risk': 'Potential (Customer Account Numbers & '
                                   'Personal Identifiers Exposed)'},
 'investigation_status': 'Disclosed (No Further Updates)',
 'post_incident_analysis': {'root_causes': 'Human Error (Improper Handling of '
                                           'Sensitive Data via Email)'},
 'references': [{'source': 'California Office of the Attorney General'}],
 'regulatory_compliance': {'regulatory_notifications': 'California Office of '
                                                       'the Attorney General'},
 'response': {'communication_strategy': 'Public Disclosure via California '
                                        'Office of the Attorney General'},
 'title': 'Toyota Financial Services Data Breach (2016)',
 'type': 'Data Breach (Accidental Disclosure)'}