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Listed on a ransomware leak site

WESTERNALLIANCEBANK.COM

westernalliancebank.com

WESTERNALLIANCEBANK.COM was listed on the Clop leak site on Jan 24, 2025. Information as of Oct 19, 2026.

Updated continuously · figures as of Oct 19, 2026
Claimed by
Clop
First listed
Jan 24, 2025
Claims recorded
1

Leak-Site Claim.

ClopConfirmed claim
Posted on the leak site
Jan 24, 2025
Collected by Brandefense
Jul 12, 2025
Data claimed
Not stated
Leak-site post text, written by the group
Western Alliance Bancorporation is a leading bank holding company in the US offering retail, commercial, and real estate banking services. Established in 1995, it operates through various divisions and subsidiaries across the nation. Western Alliance Bank provides lending, deposit, treasury management, and online banking solutions to consumers, small to larger businesses, and professional communities.

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Figures as of Oct 19, 2026. Confirmed leak-site claims collected by Brandefense technologies and validated by Brandefense analysts.

Listed on a leak site means a ransomware group has claimed the company; it is not a confirmed breach. To request a correction or removal, contact Brandefense.