CMS Legal Services EEIG
bd_661ae2391ebac1af · schema v1 · pii pii-v1
Full breach record for CMS Legal Services EEIG →2 incidents on fileThreat-actor claim — not a regulatory filing
This row is a claim by the ransomware group Crypto24 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
We are in possession of highly confidential data belonging to CMS, one of the largest international law firms, including government and national infrastructure project files, sensitive contracts with multinational corporations, tax authority system access records, internal financial and legal documents, as well as payroll and personnel information. The complete dataset and its full file list will be publicly released in its entirety.
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Incident timeline — mostly unverified
? — ?
Breach window unknown
Dec 13, 2023
Claim posted
—
No filing yet · watching
Compliance clocks stay unassessable until a regulatory filing lands. Dashed segments fill in automatically when corroboration arrives.
Claim → filing
—
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.
crypto24
According to ransomware.live, Crypto24 is a double-extortion ransomware-as-a-service group that surfaced on the RAMP forum in mid-2024, targeting large organizations in financial services, healthcare, manufacturing, and technology across Asia, Europe, and North America, with notable victims including CMC Group, Vietnam's second-largest ICT conglomerate.