Company: WAL-PA
Filing Date: 2025-02-25
Form Type: 10-K
Source: 0001212545-25-000090
Chunk: 17

Company: WESTERN ALLIANCE BANCORPORATION
Filing Date: 2025-02-25
Form: 10-K
Item: Item 9B
Chunk 17
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 Company and its information security consultants found no evidence of any unlawful infiltration or exfiltration of any Company or customer data until January 27, 2025, when the Company’s surveillance process identified files related to the Vendor Incident published by the threat actor. The files included data flowing through the file transfer software between October 12-24, 2024, prior to notification of the Vendor Incident. The Company will work with clients who may have been impacted and will make appropriate notifications to impacted individuals. Although the Company continues to investigate and has not determined the full impact of this incident, at this time the incident has not had a material impact on the Company’s business or operations. The Company does not anticipate any material impact on the Company’s financial condition or results of operations.