Millennium Partners
bd_cf40aa1493befa68 · schema v1 · pii pii-v1
Full breach record for Millennium Partners →Threat-actor claim — not a regulatory filing
This row is a claim by the ransomware group Thegentlemen on its public extortion blog. It has not been validated by the victim or any regulator. Treat attribution and counts as the threat actor's assertion until a regulatory filing or victim disclosure corroborates them.
Source: Ransomware.live
Post text · scraped from the leak site
millenniumptrs.com zoominfo.com/c/millennium-partners-inc/483051874 Millennium Partners is a premier luxury real estate developer founded in 1991 and headquartered in New York City, with over three decades of transforming urban neighborhoods through landmark mixed-use developments in gateway cities such as New York, Boston, San Francisco, and Washington D.C.. The company has pioneered the luxury branded residential experience by forging first-of-their-kind partnerships with Ritz-Carlton and Four Seasons, and today owns a portfolio worth over $5 billion encompassing 3,200+ condominiums, 10 hotels, 2 million sq ft of office space, and 1 million sq ft of retail. In 2023, Millennium Partners opened Winthrop Center in Boston — the world's largest Passive House office building — setting a new global benchmark for sustainability and human-centered design
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Incident timeline — mostly unverified
? — ?
Breach window unknown
May 3, 2026
Claim posted
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No filing yet · watching
Compliance clocks stay unassessable until a regulatory filing lands. Dashed segments fill in automatically when corroboration arrives.
Claim → filing
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Compliance clock
Not assessable
Evidence ladder
Attacker assertion only. Establishes: claim date, group, alleged victim.
Unlocks: incident narrative, operational impact. Still no compliance clock.
Unlocks: discovery date, data types, affected count, compliance clock.
Unlocks: materiality, stated response, full audit trail. Ceiling removed.
No regulatory filing corroborates this yet — it is the attacker's own assertion. Watch this entity to be notified the moment a filing corroborates or contradicts it.
Source ceiling
- actor name
- victim claim
- ransom/leak status
- discovery date
- materiality
- notification
- affected count
- confirmed data types
- compliance clock
The ✕ fields stay blank until a regulatory filing or victim disclosure lands.
thegentlemen
According to ransomware.live, The Gentlemen is a RaaS group that emerged in July–August 2025, rapidly claiming over 320 victims across 17+ countries by offering affiliates a 90% revenue share, deploying a Go-based locker against Windows, Linux, NAS, and BSD systems; a compromised C2 server in 2026 revealed more than 1,570 linked victims.