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high severity October 28, 2025 · scope unconfirmed

Simon Property Group Listed by medusa Ransomware 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 mix

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Severity High
Disclosed October 28, 2025
Affected Unconfirmed
Data exposed Internal files exfiltrated in ransomware attack
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