RÉSO

Incident Overview

RÉSO, operating within the Technology sector, has been subject to a cybersecurity incident initially observed on 2026-10-07. Ground-truth telemetry indicates the threat activity is attributed to threat actor Dragonforce.

RÉSO was listed on the Dragonforce ransomware extortion leak portal. Threat actor claims exfiltration of 676 GB of internal data files.

Compromised Assets & Data Scope

The specific volume of affected customer or organizational records remains under active forensic investigation. Primary affected online infrastructure and perimeter domains include reso.fr.

Specific classes of compromised records, credentials, or proprietary information continue to be audited through ongoing forensic investigation.

Authoritative Directives & Vendor Disclosures

• Continuous Telemetry Monitoring: Formal statutory regulatory filings (SEC Form 8-K, State AG portals) and sovereign agency advisories (CISA, NCSC) are continuously monitored via automated ingestion pipeline.