Skip to content

Search Ransomware Intelligence

Jump to a group, country, industry or search victims.

Listed on a ransomware leak site

Simon Property Group

business.simon.com

Simon Property Group was listed on the Medusa leak site on Oct 28, 2025. Information as of Oct 19, 2026.

Country: United StatesIndustry: Unknown
Updated continuously · figures as of Oct 19, 2026
Claimed by
Medusa
First listed
Oct 28, 2025
Claims recorded
1

Leak-Site Claim.

MedusaConfirmed claim
Posted on the leak site
Oct 28, 2025
Collected by Brandefense
Nov 7, 2025
Data claimed
Not stated
Leak-site post text, written by the group
Simon Property Group is a leading real estate investment trust (REIT) based in Indianapolis, Indiana. Founded in 1993, it owns, develops, and manages premier shopping malls, outlets, and lifestyle centers across the United States and internationally. The company’s well-known properties include Premium Outlets and The Mills centers. Led by CEO David E. Simon, it focuses on creating high-quality retail and entertainment destinations that attract millions of visitors each year. Despite challenges from online retail, Simon Property Group continues to innovate by combining shopping, dining, and…

Get alerted the moment your company or a supplier is posted on a leak site.

Alert me
Other confirmed victims claimed by the same group
VictimClaimed byCountryIndustryData claimedPosted
Walman Optical
walman.com
MedusaUSUnited StatesHealthcareNot stated
Northeast Missouri Rural Telephone
nemr.net
MedusaUSUnited StatesTelecommunicationsNot stated
TouchSource
touchsource.com
MedusaUSUnited StatesTechnologyNot stated
Big Thumb
bigthumb.com
MedusaUSUnited StatesTechnologyNot stated
Live! Casino
livecasinocomparer.com
MedusaGBUnited KingdomHospitality and TourismNot stated
University of Mississippi Medical Center (@ummcdata)MedusaAEUnited Arab EmiratesNon-profit and Civil SocietyNot stated

Get Real-Time Alerts, IOC Feeds And Takedowns.

The Brandefense platform watches every leak site for your company, vendors and executives, and acts on what it finds.

Figures as of Oct 19, 2026. Confirmed leak-site claims collected by Brandefense technologies and validated by Brandefense analysts.

Listed on a leak site means a ransomware group has claimed the company; it is not a confirmed breach. To request a correction or removal, contact Brandefense.