On June 4, 2016, Discover Financial Services suffered a data breach reported by the California Attorney General on July 21, 2017. The incident involved unauthorized access to **Discover card account information**, though the exact scope of compromised data—such as whether full payment details, cardholder names, or additional personal identifiers were exposed—remained undisclosed. The breach raised concerns over potential financial fraud, identity theft, or misuse of customer payment data, given the sensitivity of credit card-related information. While no immediate evidence suggested large-scale exploitation, the exposure of such data inherently poses risks to customers’ financial security and the company’s reputation. Discover likely faced regulatory scrutiny, customer notifications, and potential remediation costs, including credit monitoring or fraud mitigation measures. The lack of transparency regarding the specific data types compromised further complicated risk assessments for affected individuals.
Source: https://oag.ca.gov/ecrime/databreach/reports/sb24-100475
TPRM report: https://www.rankiteo.com/company/discover-financial-services
"id": "dis016091825",
"linkid": "discover-financial-services",
"type": "Breach",
"date": "6/2016",
"severity": "85",
"impact": "4",
"explanation": "Attack with significant impact with customers data leaks"
{'affected_entities': [{'industry': 'Financial Services',
'location': 'United States (California)',
'name': 'Discover Financial Services',
'type': 'Financial Institution'}],
'data_breach': {'sensitivity_of_data': 'High (financial)',
'type_of_data_compromised': ['Discover card account '
'information']},
'date_publicly_disclosed': '2017-07-21',
'description': 'The California Attorney General reported that Discover '
'Financial Services experienced a data breach involving '
'Discover card account information. Specific details on the '
'types of data compromised remain unclear.',
'impact': {'data_compromised': ['Discover card account information'],
'payment_information_risk': 'Potential (unclear specifics)'},
'references': [{'date_accessed': '2017-07-21',
'source': 'California Attorney General Report'}],
'regulatory_compliance': {'regulatory_notifications': ['California Attorney '
'General '
'(2017-07-21)']},
'title': 'Discover Financial Services Data Breach (2016)',
'type': 'Data Breach'}