Hyatt Hotels Corporation

The Washington State Office of the Attorney General reported a data breach involving Hyatt Hotels Corporation on October 12, 2017. The breach occurred between March 18, 2017 and July 2, 2017, potentially affecting 640 Washington residents with unauthorized access to payment card information, including cardholder names, card numbers, expiration dates, and internal verification codes.

Source: https://www.atg.wa.gov/data-breach-notifications | https://data.wa.gov/resource/sb4j-ca4h.json?id=10499

TPRM report: https://scoringcyber.rankiteo.com/company/hyatt

"id": "hya456072525",
"linkid": "hyatt",
"type": "Breach",
"date": "3/2017",
"severity": "50",
"impact": "2",
"explanation": "Attack limited on finance or reputation"

{'affected_entities': [{'customers_affected': 640,
                        'industry': 'Hospitality',
                        'location': 'Washington',
                        'name': 'Hyatt Hotels Corporation',
                        'type': 'Hospitality'}],
 'data_breach': {'data_exfiltration': True,
                 'number_of_records_exposed': 640,
                 'personally_identifiable_information': True,
                 'sensitivity_of_data': 'High',
                 'type_of_data_compromised': ['payment card information']},
 'date_detected': '2017-10-12',
 'date_publicly_disclosed': '2017-10-12',
 'description': 'The Washington State Office of the Attorney General reported '
                'a data breach involving Hyatt Hotels Corporation on October '
                '12, 2017. The breach occurred between March 18, 2017 and July '
                '2, 2017, potentially affecting 640 Washington residents with '
                'unauthorized access to payment card information, including '
                'cardholder names, card numbers, expiration dates, and '
                'internal verification codes.',
 'impact': {'data_compromised': ['cardholder names',
                                 'card numbers',
                                 'expiration dates',
                                 'internal verification codes'],
            'payment_information_risk': True},
 'references': [{'date_accessed': '2017-10-12',
                 'source': 'Washington State Office of the Attorney General'}],
 'title': 'Hyatt Hotels Corporation Data Breach',
 'type': 'Data Breach'}