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Data breach

Marcus & Millichapmarcusmillichap.com

1 837 078 accounts exposed in a breach dated 2026-04-12.

Breached2026-04-12Added to HIBP2026-05-03 UTCUpdated by HIBP2026-05-03 UTCAccounts1 837 078Domainmarcusmillichap.com
Verified

What happened in Have I Been Pwned’s words

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".

Exposed data as HIBP classifies it

  • Email addresses
  • Employers
  • Job titles
  • Names
  • Phone numbers
  • Physical addresses

How HIBP qualifies it

  • HIBP verified that the data came from this service.

Source: Have I Been Pwned (CC BY 4.0)

Copied from HIBP 2026-11-05 03:50 UTC