The California Attorney General reported that Interactive Brokers LLC experienced a data breach on April 14, 2025, potentially affecting personal information of customers. The breach was reported on May 22, 2025, and although there is no evidence of access to client accounts, certain customer information was inadvertently disclosed to an unauthorized third party.
Source: https://oag.ca.gov/ecrime/databreach/reports/sb24-603100
TPRM report: https://www.rankiteo.com/company/interactive-brokers
"id": "int609080525",
"linkid": "interactive-brokers",
"type": "Breach",
"date": "4/2025",
"severity": "85",
"impact": "4",
"explanation": "Attack with significant impact with customers data leaks"{'affected_entities': [{'industry': 'Finance',
'name': 'Interactive Brokers LLC',
'type': 'Financial Services'}],
'data_breach': {'type_of_data_compromised': ['Personal Information']},
'date_detected': '2025-04-14',
'date_publicly_disclosed': '2025-05-22',
'description': 'The California Attorney General reported that Interactive '
'Brokers LLC experienced a data breach on April 14, 2025, '
'potentially affecting personal information of customers. The '
'breach was reported on May 22, 2025, and although there is no '
'evidence of access to client accounts, certain customer '
'information was inadvertently disclosed to an unauthorized '
'third party.',
'impact': {'data_compromised': ['Personal Information']},
'references': [{'source': 'California Attorney General'}],
'title': 'Interactive Brokers LLC Data Breach',
'type': 'Data Breach'}