Thornburg Investment Management, Inc.

On February 3, 2022, the Maine Office of the Attorney General reported that Thornburg Investment Management, Inc. experienced a data breach due to external system hacking, occurring between March 29, 2021, and April 30, 2021. The breach potentially affected 3,996 individuals, including 10 Maine residents, involving unauthorized access to financial account information and Social Security numbers. Written notifications were sent to affected individuals on January 7, 2022, and additional notifications were planned.

Source: https://www.maine.gov/agviewer/content/ag/985235c7-cb95-4be2-8792-a1252b4f8318/3d3aaa61-c5d8-4415-bc2a-6adef35a89d1.shtml

TPRM report: https://www.rankiteo.com/company/thornburg-investment-management

"id": "tho946072625",
"linkid": "thornburg-investment-management",
"type": "Breach",
"date": "3/2021",
"severity": "50",
"impact": "2",
"explanation": "Attack limited on finance or reputation"

{'affected_entities': [{'customers_affected': 3996,
                        'industry': 'Financial Services',
                        'name': 'Thornburg Investment Management, Inc.',
                        'type': 'Company'}],
 'attack_vector': 'External System Hacking',
 'data_breach': {'number_of_records_exposed': 3996,
                 'personally_identifiable_information': 'Social Security '
                                                        'numbers',
                 'sensitivity_of_data': 'High',
                 'type_of_data_compromised': ['financial account information',
                                              'Social Security numbers']},
 'date_detected': '2022-02-03',
 'date_publicly_disclosed': '2022-02-03',
 'description': 'Thornburg Investment Management, Inc. experienced a data '
                'breach due to external system hacking, potentially affecting '
                '3,996 individuals, including 10 Maine residents, involving '
                'unauthorized access to financial account information and '
                'Social Security numbers.',
 'impact': {'data_compromised': ['financial account information',
                                 'Social Security numbers']},
 'references': [{'date_accessed': '2022-02-03',
                 'source': 'Maine Office of the Attorney General'}],
 'response': {'communication_strategy': 'Written notifications sent to '
                                        'affected individuals on January 7, '
                                        '2022, and additional notifications '
                                        'planned.'},
 'title': 'Thornburg Investment Management Data Breach',
 'type': 'Data Breach'}