On January 2, 2018, **Discover Financial Services** experienced a data breach reported by the California Office of the Attorney General on July 18, 2018. The incident involved unauthorized access to **Discover card account information**, though the exact scope of the compromised data—such as whether it included card numbers, expiration dates, CVV codes, or customer identities—was not publicly disclosed. The breach raised concerns over potential financial fraud, identity theft, or misuse of payment details, as card-related data is a prime target for cybercriminals. While no immediate evidence suggested large-scale exploitation, the exposure of such sensitive financial information posed risks to both the company’s reputation and its customers’ trust. Discover likely faced regulatory scrutiny, potential fines, and the need for enhanced security measures to mitigate future risks. Customers may have been advised to monitor their accounts for suspicious activity, though the long-term impact on affected individuals remained uncertain due to the lack of transparency regarding the breach’s specifics.
Source: https://oag.ca.gov/ecrime/databreach/reports/sb24-138035
TPRM report: https://www.rankiteo.com/company/discover-financial-services
"id": "dis027091825",
"linkid": "discover-financial-services",
"type": "Breach",
"date": "1/2018",
"severity": "60",
"impact": "2",
"explanation": "Attack limited on finance or reputation"{'affected_entities': [{'industry': 'Banking/Financial',
'location': 'United States (California)',
'name': 'Discover Financial Services',
'type': 'Financial Services'}],
'data_breach': {'sensitivity_of_data': 'High (financial)',
'type_of_data_compromised': 'Card account information'},
'date_detected': '2018-01-02',
'date_publicly_disclosed': '2018-07-18',
'description': 'The California Office of the Attorney General reported a data '
'breach involving Discover Financial Services on July 18, '
'2018, which occurred on January 2, 2018. The breach involved '
'Discover card account information, though the specific '
'details of which data were compromised remain unclear.',
'impact': {'data_compromised': ['Discover card account information'],
'payment_information_risk': 'Potential (details unclear)'},
'references': [{'date_accessed': '2018-07-18',
'source': 'California Office of the Attorney General'}],
'regulatory_compliance': {'regulatory_notifications': 'California Office of '
'the Attorney General'},
'response': {'law_enforcement_notified': 'Yes (California Office of the '
'Attorney General)'},
'title': 'Data Breach at Discover Financial Services (2018)',
'type': 'Data Breach'}