The Arizona Attorney General's Office reported a data breach involving Western Alliance Bank on January 27, 2025. The breach occurred between October 12, 2024, and October 24, 2024, when a third-party vendor's secure file transfer software was exploited, potentially exposing personal information including names and Social Security numbers. The number of affected individuals is currently unknown.
TPRM report: https://www.rankiteo.com/company/western-alliance-bank
"id": "wes726072525",
"linkid": "western-alliance-bank",
"type": "Breach",
"date": "10/2024",
"severity": "85",
"impact": "4",
"explanation": "Attack with significant impact with customers data leaks"
{'affected_entities': [{'industry': 'Financial Services',
'location': 'Arizona',
'name': 'Western Alliance Bank',
'type': 'Bank'}],
'attack_vector': "Exploitation of third-party vendor's secure file transfer "
'software',
'data_breach': {'personally_identifiable_information': True,
'sensitivity_of_data': 'High',
'type_of_data_compromised': ['Names',
'Social Security numbers']},
'date_detected': '2025-01-27',
'date_publicly_disclosed': '2025-01-27',
'description': "The Arizona Attorney General's Office reported a data breach "
'involving Western Alliance Bank on January 27, 2025. The '
'breach occurred between October 12, 2024, and October 24, '
"2024, when a third-party vendor's secure file transfer "
'software was exploited, potentially exposing personal '
'information including names and Social Security numbers. The '
'number of affected individuals is currently unknown.',
'impact': {'data_compromised': ['Names', 'Social Security numbers']},
'references': [{'date_accessed': '2025-01-27',
'source': "Arizona Attorney General's Office"}],
'title': 'Data Breach at Western Alliance Bank',
'type': 'Data Breach',
'vulnerability_exploited': 'Secure file transfer software'}