Efficy
bd_e6ef8a901c4b0fb7 · schema v1 · pii pii-v1
Full breach record for Efficy →Threat-actor claim — not a regulatory filing
This row is a claim by the ransomware group Coinbasecartel 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
Company description · AI-generated by the aggregator, not the leak post
Efficy is a Belgian company that specializes in developing CRM (Customer Relationship Management) software solutions for businesses to improve customer service and streamline sales processes. They offer tools for managing contacts, sales, customer support, etc. However, the term "43gb leaked" seems to reference a cyber attack or data breach incident, implying there could have been a significant leak of data from the company.
J jump to incidentP pin to compareR raw source
Incident timeline — mostly unverified
? — ?
Breach window unknown
Mar 30, 2026
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
Linked disclosures
Why this link?Ransomware claims (1)
- Leak Sitecoinbasecartelbd_c47d815b41b01a482026-02-16 · +42dCandidate
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.
coinbasecartel
According to ransomware.live, CoinbaseCartel specializes in data acquisition through system access and strategic partnerships. It focus exclusively on data exfiltration—our operations never involve system encryption or operational disruption.