The California Attorney General reported a data breach involving Discover Financial Services on July 21, 2017. The breach occurred on September 4, 2016, and involved Discover card account information, although specific details about the data compromised are unclear.
Source: https://oag.ca.gov/ecrime/databreach/reports/sb24-100471
TPRM report: https://www.rankiteo.com/company/discover-financial-services
"id": "dis822072825",
"linkid": "discover-financial-services",
"type": "Breach",
"date": "9/2016",
"severity": "50",
"impact": "2",
"explanation": "Attack limited on finance or reputation"{'affected_entities': [{'industry': 'Finance',
'name': 'Discover Financial Services',
'type': 'Financial Services'}],
'data_breach': {'type_of_data_compromised': ['Discover card account '
'information']},
'date_detected': '2017-07-21',
'date_publicly_disclosed': '2017-07-21',
'description': 'The California Attorney General reported a data breach '
'involving Discover Financial Services on July 21, 2017. The '
'breach occurred on September 4, 2016, and involved Discover '
'card account information, although specific details about the '
'data compromised are unclear.',
'impact': {'data_compromised': ['Discover card account information']},
'references': [{'date_accessed': '2017-07-21',
'source': 'California Attorney General'}],
'title': 'Data Breach at Discover Financial Services',
'type': 'Data Breach'}