Image

French Attack Surge: Unpacking the Drivers Behind the Spike in Data Leak Claims Against French Targets

  Executive Summary Between October 2025 and March 2026 (Q4 2025 – Q1 2026), the analysis of activities observed within underground forums monitored by Yarix’s Cyber Threat Intelligence Team revealed a significant increase in publications related to alleged data leaks affecting French targets, with a peak recorded during Q1 2026. To further investigate this case, the analysis considered multiple perspectives in order to...

Image

Behind The Scenes: Yarix Approach to LLM Security

  Large Language Models are rapidly becoming load-bearing components of modern applications. This article takes you behind the scenes of how Yarix structures an LLM Security Assessment, from threat modeling to hands-on adversarial testing, combining international standards with the kind of methodical analysis that surfaces what automated tools and generic checklists consistently miss.   Introduction Large Language Models enrich business workflows, assist decision-making, summarize...

Image

Unusual Data Exfiltration Paths: RansomHouse leveraging Rclone for SharePoint Data Theft

Premise As Yarix’s Incident Response Team, our responsibilities are to manage critical issues related to cyber-attacks carried out by cybercriminals, intervening promptly in order to guarantee security to victim companies and to minimize latent risks, analyzing the systems within their infrastructures and indicating precise remediation actions capable of re-establishing a state of security sufficient for normal operational recovery. In the course of...

Image

The Secret Scriptorium: A Medieval Tale of the Shadow Shop that Forged Identities

The First Whisper – How the Quest Began It was a quiet evening in the citadel of cyber‑defence when a single alert flickered on the watch‑tower’s crystal screen. The Cyber Threat Intelligence Brotherhood, ever‑vigilant guardians of the kingdom’s data, spotted a match: a client’s official document template had slipped out of its sealed vault. What seemed at first a modest breach, a...