M. Green and Company LLP
bd_169c938d4ab7098a · schema v1 · pii pii-v1
Full breach record for M. Green and Company LLP →Threat-actor claim — not a regulatory filing
This row is a claim by the ransomware group Quantum 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
Certified Public Accountants
J jump to incidentP pin to compareR raw source
Incident timeline — mostly unverified
? — ?
Breach window unknown
Jun 14, 2022
Claim posted
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Corroborated · see linked filings
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
Linked disclosures
Why this link?Regulatory filings (4) · sorted by filing gap
- Indiana State AGbd_15f69d3303268d582022-10-12 · +119dVerified by operator
- Massachusetts State AGbd_57c4339d1ce498ab2022-10-13 · +120dVerified by operator
- California State AGbd_a8912d3286b44cca2022-10-13 · +120dVerified
- Montana State AGbd_b27e46fa3bee140c2022-10-13 · +120dVerified by operator
Filing propagation · 5 filings · 4 states
View merged incident ↗Pattern: first filing Jun 14, last Oct 13 (MT) — a 120-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.
quantum
According to ransomware.live, Quantum ransomware, active from mid-2021 through 2022, was a rebrand of the MountLocker/AstroLocker/XingLocker lineage that operated as RaaS, known for extremely fast attack timelines (under four hours from initial access to encryption) and ransom demands ranging from $150,000 to multi-million dollars.