Exposed in this breach? Do this now
Change the password
On the breached site and everywhere else you reused it. Make every password unique.
Enable 2FA
A second factor keeps a leaked password from becoming a hijacked account.
Set up monitoring
and get notified the moment your data appears in a new leak.
Marcusmillichap.com breach: questions and answers
When did the Marcusmillichap.com data breach happen?
The Marcusmillichap.com breach dates to April 2026.
How many records were leaked in the Marcusmillichap.com breach?
LeakCheck has indexed 1,359,963 records from the Marcusmillichap.com breach.
What data was exposed in the Marcusmillichap.com breach?
The leaked records include email addresses, names, phone numbers, physical addresses and geographic locations.
Were passwords exposed in the Marcusmillichap.com breach?
No. The records indexed from Marcusmillichap.com do not include passwords — but the other details they hold can still be used for phishing.
How do I check if my data was in the Marcusmillichap.com breach?
Enter your email address, username or phone number in the search form on this page. The free check shows whether your data appears in the Marcusmillichap.com breach — and in any of the other 1,469 sources LeakCheck indexes.
What should I do if my data was in the Marcusmillichap.com breach?
Change the password you used on Marcusmillichap.com and everywhere you reused it, turn on two-factor authentication, and watch for phishing that quotes details from the leak. To hear about the next breach first, set up breach monitoring.