The California Office of the Attorney General reported that Discover Financial Services experienced a data breach on January 2, 2016, with the breach notification reported on February 20, 2017. The breach involved Discover card account information, although the specific data compromised is unknown at this time.
Source: https://oag.ca.gov/ecrime/databreach/reports/sb24-66425
TPRM report: https://www.rankiteo.com/company/discover-financial-services
"id": "dis818080425",
"linkid": "discover-financial-services",
"type": "Breach",
"date": "1/2016",
"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': '2016-01-02',
'date_publicly_disclosed': '2017-02-20',
'description': 'The California Office of the Attorney General reported that '
'Discover Financial Services experienced a data breach on '
'January 2, 2016, with the breach notification reported on '
'February 20, 2017. The breach involved Discover card account '
'information, although the specific data compromised is '
'unknown at this time.',
'impact': {'data_compromised': 'Discover card account information'},
'references': [{'source': 'California Office of the Attorney General'}],
'title': 'Discover Financial Services Data Breach',
'type': 'Data Breach'}