Réso
bd_600a873750bd17e1 · schema v1 · pii pii-v2
Full breach record for Réso →Threat-actor claim — not a regulatory filing
This row is a claim by the ransomware group DragonForce 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
Réso specializes in secondary works, offering a wide range of products including ceilings, partitions, floors, technical floors, and facades. They provide modular and dry partitions, acoustic products, and various accessories, ensuring a comprehensive solution for construction needs. With numerous agencies across France and a team of specialists trained in the latest innovations, Réso serves a diverse clientele with thousands of available products. Their commitment to quality and service is reflected in their partnerships and significant projects. 676 GB of confidential information about their customers, partners, employees were stolen. The entire network was locked including nearly 8TB of Veeam backups. The company has failed to reach for an agreement.
J jump to incidentP pin to compareR raw source
Incident timeline — mostly unverified
? — ?
Breach window unknown
Oct 7, 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
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.
dragonforce
According to ransomware.live, DragonForce is a major ransomware-as-a-service operation first observed in August 2023 that launched a formal affiliate program offering 80% revenue share, then rebranded as a "ransomware cartel" in 2025, gaining notoriety for high-profile attacks on UK retailers Marks & Spencer, Co-op, and Harrods.