Ransomware victim disclosure

Windsor Management Corporation

Claimed by beast · listed 2 days ago

$23.83

Ransom

demanded

Age

since listed · listed for ransom

Status timeline

Listed
May 30, 2026

Current state: Listed for ransom

At a glance

Group: beast
Status: Listed for ransom
Country: US
Sector: Real Estate
Listed on leak site: May 30, 2026
Ransom demanded: $23.83

What the group claims

A privately held, full-service commercial real estate company serving New York and Connecticut since 1944. Focuses on commercial property management with a hands-on approach, creating value for tenants, employees, and communities through property upgrades and tenant services.

The leak post

captured from the group's site

Real Estate Windsor Management Corporation is a privately held, full-service commercial real estate company serving New York and Connecticut since 1944. Our operational and ownership philosophy is centered on creating value for our tenants, our employees, and the communities within which we conduct our business through reinvesting in property upgrades and providing top level tenant services. We employ a comprehensive hands-on approach to property management maximizing results and fine tuning efficiency. Our viewpoint is one of personal attention, open communication and strategic insight. Windsor Management focuses on cultivating associations and through our extensive network of professional contacts we have formed long term and mutually beneficial relationships with tenants and colleagues while maintaining dynamic and fluid environments.

Screenshot of the leak post

Leak screenshot for Windsor Management Corporation

Sources

Leak posthttp://beast6azu4f7fxjakiayhnssybibsgjnmy77a6duufqw5afjzfjhzuqd.onion/card/windsor_realty_and_management

Source

Indexed 2 days ago

This page surfaces a public ransomware disclosure indexed by Darkfield. Original posts come from the operator's own leak site; we cross-check against ransomware.live, RansomLook and RansomWatch where applicable. Share this URL freely.

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Disclosure context

About beast

The Beast ransomware group is a relatively new threat actor that emerged in July 2025, operating with apparent financial motivations through their ransomware campaigns. With limited public documentation available from major security agencies, the group has demonstrated activity primarily targeting victims across the United States, United Kingdom, Brazil, South Korea, and Argentina, accumulating approximately 65 known victims since their emergence. Their targeting pattern shows a focus on healthcare organizations, manufacturing companies, educational institutions, and construction firms, suggesting an opportunistic approach rather than highly specialized sector expertise. The group's recent emergence means there is insufficient public intelligence from CISA, FBI, Mandiant, or other established security researchers regarding their specific attack methodologies, initial access vectors, or technical capabilities. Given the timeline of their first observation in mid-2025, Beast represents an active and emerging threat with their current operational status remaining unclear due to limited threat intelligence reporting from authoritative sources. The group has been linked to 93 public disclosures across our corpus. First observed on a leak site on July 29, 2025; most recent post May 31, 2026. The operation is currently active.

Timeline of this disclosure

May 30, 2026Windsor Management Corporation listed by beaston the group's public leak site

Ransom demanded: $23.83

Sector and geography

This disclosure adds to ransomware activity in the Real Estate sector. Geographically, Windsor Management Corporation is reported in US, a country with 2,714 ransomware disclosures in our corpus.

How we know this. Darkfield monitors public ransomware leak sites continuously, archiving every new disclosure and the data later released against the victim. Each entry on this page is sourced from the operator's own publication and cross-checked against complementary OSINT feeds (RansomLook, ransomware.live, RansomWatch). We do not collect or host stolen data — only the metadata, timestamps and screenshots needed to make the public disclosure searchable and accountable. Records here are corrected when the original post is edited, retracted, or merged with another disclosure.