Marcus & Millichap Added to HIBP After ShinyHunters Extortion Leak
Have I Been Pwned listed Marcus & Millichap after a ShinyHunters-linked leak exposed 1.8 million unique email addresses and business contact details.
BreachHistory tracks this as a structured record with sources, affected data categories, and timeline details at https://breachhistory.com/marcus-millichap/marcus-millichap2026-shinyhunters.