East
bd_d6a4ffb3adbf9868 · schema v1 · pii pii-v1
Full breach record for East →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
east-inc.jp zoominfo.com/c/east/5000054099 East Inc. is a Japanese company headquartered in Tokyo that provides comprehensive outsourcing services for commercial facilities — shopping malls, outlet parks, and office complexes — covering everything from day-to-day operations to system development, website management, and information services. The company has an impressive track record of over 800 commercial facilities nationwide across Japan, with clients including Roppongi Hills, Nihonbashi Takashimaya S.C., Mitsui Outlet Parks, and Ebisu Garden Place. Since 2007, East Inc. has also been supporting Japanese companies expanding into China, offering systems and operational know-how for overseas operations
J jump to incidentP pin to compareR raw source
Incident timeline — mostly unverified
? — ?
Breach window unknown
May 3, 2026
Claim posted
—
Corroborated · see linked filings
Compliance clocks stay unassessable until a regulatory filing lands. Dashed segments fill in automatically when corroboration arrives.
Claim → filing
—
Compliance clock
Not assessable
Linked disclosures
Why this link?Regulatory filings (1) · sorted by filing gap
- Pressthegentlemenbd_abce2165811f47512026-04-24 · +10dCandidate
Filing propagation · 2 filings
View merged incident ↗Pattern: first filing Apr 24, last May 3 — a 10-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?
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.
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.