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Law Firm Data Breaches

Law firms hold the most sensitive corporate data outside the client itself — M&A, IP, litigation, settlements. They are systematically targeted by both criminal and state actors. Below is every law-firm breach LeakTrace has indexed.

98B+
Records Exposed
256
Incidents
94+
Countries
+104%
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Law Firm Data Breaches (256 indexed)

high · legal · Jul 15, 2026

Alex Ebert

Alex Ebert reports: Wilmer Cutler Pickering Hale & Dorr should pay millions of dollars in damages for loss of clients’ personal information in a May data breach, a putative class action claims. The lawsuit, filed Tue

View incident → Original disclosure Indexed 21 hours, 31 minutes ago
critical · legal · Jul 11, 2026

Brandon Richards

Brandon Richards reports: California resident Sean Mortazi filed a class action lawsuit against TikTok Inc. on June 11, 2026, alleging a data breach exposed the personal data of more than 2.4 billion users worldwide. The

View incident → Original disclosure Indexed 4 days, 21 hours ago
critical · legal · Jul 6, 2026

Carrie Tait

Carrie Tait reports: A retired lawyer is suing Alberta, its Chief Electoral Officer and two organizations that support secession for their respective roles in an alleged data breach affecting 2.9 million residents in the

View incident → Original disclosure Indexed 1 week, 2 days ago
critical · legal · Apr 28, 2023

HWL Ebsworth (Law Firm)

ALPHV/BlackCat stole 4TB from top-tier Australian law firm — client legal data published

View incident → Indexed 3 years, 2 months ago
high · legal · Apr 28, 2023

HWL Ebsworth

65K client and case files stolen in ALPHV/BlackCat ransomware

View incident → Indexed 3 years, 2 months ago