MarcusMillichap
Medium Impact•
1,837,078 records affected
•
HaveIBeenPwned
Description
In April 2026, the commercial real estate brokerage firm Marcus & Millichap was named as one of multiple alleged victims of the ShinyHunters hacking and extortion group. Data alleged to have been obtained from the company was subsequently released publicly and included 1.8M unique email addresses, along with names, phone numbers and employment-related information including employer, job title and physical company address. In their disclosure notice, Marcus & Millichap advised that data which may have been accessed appeared limited to "company forms, templates, marketing materials, and general contact information".
What to do if you're affected
- 1.Change your password immediately if you have an account with this service
- 2.Enable two-factor authentication (2FA) wherever possible
- 3.Check if your email appears in the breach using Have I Been Pwned
- 4.Monitor your accounts for suspicious activity
- 5.Consider using a password manager to generate unique passwords