PSB Sementi
bd_1ffb3b42d2c23fca · schema v1 · pii pii-v1
Full breach record for PSB Sementi →Threat-actor claim — not a regulatory filing
This row is a claim by the ransomware group M3rx 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
+39 051 890 421. Società Produttori Sementi S.p.A. (PSB) is one of Italy’s oldest and most prestigious agricultural enterprises, specializing in the research, genetic improvement, multiplication, and distribution of certified seeds. For over a century, PSB has been a cornerstone of the Mediterranean agricultural supply chain, bridging the gap between scientific field research and the industrial food sector. Stolen: 364gb 280k files
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Incident timeline — mostly unverified
? — ?
Breach window unknown
May 17, 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.
m3rx
According to ransomware.live, M3rx is a small ransomware group first observed in 2025, using AES-CTR/AES-GCM encryption and targeting organizations in England, the US, Australia, Germany, Italy, and Switzerland, with around eight claimed victims including a Sydney-based property firm.