Mayer Brown
Data breach claim reported August 10, 2026
| Data Breach Report | |||
|---|---|---|---|
| Victim | mayerbrown.com | ||
| Claimed By | BusinessDataLeaks | ||
| Date Discovered | Aug 10, 2026 | ||
| Description | Mayer Brown is a global law firm based in the USA (Illinois), providing legal services to major corporations, financial institutions, and investment funds worldwide, specializing in corporate, financial, transactional, and commercial legal matters. | ||
| Leak Size | Unknown |
Breach claims on this page are published by threat actors and haven't been verified by Breachsense.
Credential Exposure for mayerbrown.com
We've indexed 2,272 @mayerbrown.com accounts from external breaches, plus 26 credentials for mayerbrown.com itself.
Last checked Nov 8, 2026
| @mayerbrown.com addresses from external breaches | |
|---|---|
| Third-party breaches | 2,233 accounts · across 313 breaches · 2,078 with a plaintext password · most recent Feb 26, 2026 |
| Combo lists | 1,053 accounts · most recent Nov 7, 2026 |
| Passwords for mayerbrown.com accounts | |
|---|---|
| Combo lists | 23 logins · most recent Nov 7, 2026 |
| Infostealer logs | 8 logins · 7 infected devices · most recent Aug 26, 2026 |
Logins may belong to customers or to staff, and the data doesn't say which. None of this is necessarily connected to the ransomware attack above.
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