Marcus and Millichap

Marcus and Millichap

Data Breach on April 13, 2026
Data Breach Report
Victimmarcusmillichap.com
Threat ActorShinyHunters
Date DiscoveredApr 13, 2026
DescriptionMarcus & Millichap, Inc. is a commercial real estate brokerage company based in the USA (California), provides investment sales, financing, research, and advisory services.
Leak Size

Credential Exposure for marcusmillichap.com

We've indexed 4,209 @marcusmillichap.com accounts from external breaches, plus 103 credentials for marcusmillichap.com itself.

Last checked Aug 23, 2026

@marcusmillichap.com addresses from external breaches
Third-party breaches4,149 accounts · across 307 breaches · 3,676 with a plaintext password · most recent Feb 7, 2026
Combo lists1,312 accounts · most recent Aug 20, 2026
Passwords for marcusmillichap.com accounts
Combo lists59 logins · most recent Aug 21, 2026
Infostealer logs45 logins · 30 infected devices · most recent Aug 3, 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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