American Express National Bank

American Express National Bank experienced a data breach on **February 19, 2025**, resulting in the **inadvertent exposure of personal information** to an unauthorized third party. While the exact nature of the compromised data remains undisclosed, the incident suggests a failure in security protocols that allowed sensitive customer or employee information to be accessed without authorization. Such breaches typically raise concerns over **identity theft, financial fraud, or reputational damage**, depending on the scope of the exposed data. The lack of clarity on the specific types of information leaked (e.g., financial records, personally identifiable information, or internal documents) complicates risk assessment, but the breach inherently signals **operational vulnerabilities** within the bank’s cybersecurity framework. Customers may face heightened scrutiny over potential misuse of their data, while the bank could encounter **regulatory penalties, loss of trust, and financial liabilities** tied to remediation efforts. The incident underscores the critical need for robust data protection measures, particularly in financial institutions handling high volumes of sensitive transactions.

Source: https://oag.ca.gov/ecrime/databreach/reports/sb24-601790

TPRM report: https://www.rankiteo.com/company/american-express

"id": "ame038090625",
"linkid": "american-express",
"type": "Breach",
"date": "2/2025",
"severity": "85",
"impact": "4",
"explanation": "Attack with significant impact with customers data leaks"

{'affected_entities': [{'industry': 'Banking/Financial Services',
                        'location': 'United States',
                        'name': 'American Express National Bank',
                        'type': 'Financial Institution'}],
 'data_breach': {'data_exfiltration': 'Yes (inadvertent disclosure to '
                                      'unauthorized third party)',
                 'personally_identifiable_information': 'Yes (unspecified)',
                 'type_of_data_compromised': 'Personal information (specific '
                                             'types unknown)'},
 'description': 'The American Express National Bank reported a data breach '
                'involving a security incident that occurred on February 19, '
                '2025, which resulted in the inadvertent disclosure of '
                'personal information to an unauthorized third party. The '
                'specific types of information compromised are currently '
                'unknown.',
 'impact': {'data_compromised': 'Unknown (personal information)',
            'identity_theft_risk': 'Potential (due to personal information '
                                   'exposure)'},
 'investigation_status': 'Ongoing (specific types of compromised information '
                         'unknown)',
 'title': 'American Express National Bank Data Breach - February 2025',
 'type': 'Data Breach'}