On September 11, 2025, The Moinian Group appeared on the leak site of the Abyss ransomware group. The New York City-based real estate investment firm, founded in 1982, is claimed to have had internal files exfiltrated during a ransomware attack. While the exact number of people whose information may have been exposed remains unknown, anyone whose personal data was stored in the company’s systems — tenants, vendors, employees, or business partners — may now be at risk.
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What Public Reporting Shows
Public reporting indicates that Abyss operators posted a notice listing moinian.com on their leak site. The Moinian Group specializes in commercial, residential, and hospitality properties across New York City. Available reporting describes the incident as a ransomware attack in which internal files were allegedly exfiltrated. No confirmed total of affected records or specific data fields has been released by the company or the threat actors. The listing appeared without an immediate public statement from The Moinian Group detailing the breach timeline or scope.
Why This Matters for You and Your Family
When a real estate company’s internal files are stolen, the information inside often includes names, addresses, phone numbers, email accounts, dates of birth, Social Security numbers, lease agreements, payment records, and correspondence. If your family has ever rented from, bought from, worked with, or done business with The Moinian Group, some of your personal details could be in those files. Once that information reaches criminal marketplaces, it can be used for identity theft, tax fraud, loan applications in your name, or targeted phishing attacks against you and your children. Real estate records are especially valuable because they tie physical addresses to financial and family details that persist for years.
The Doxxing and Identity-Chain Implications
Stolen internal files frequently contain email addresses, usernames, and notes that link multiple online handles to a single person or household. Threat actors can combine this data with information from other breaches to build detailed profiles. A single exposed email can lead to account takeovers on shopping sites, social media, or gaming platforms. For families, this risk extends to children: a parent’s work email tied to a child’s gaming username can open the door to harassment, swatting, or further doxxing. Credential leaks like this one routinely cascade into account takeovers precisely because one reused password or linked identity creates a chain that reaches far beyond the original breach.