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Dvir Sason

Dvir Sason

Dvir manages the Varonis Research Team. He has ~10 years of Offensive & Defensive security experience, focusing on red teaming, IR, SecOps, governance, security research, threat intel, and cloud security. Certified CISSP and OSCP, Dvir loves to solve problems, coding automations (PowerShell ❤, Python), and breaking stuff.

Latest articles

BlackMatter Ransomware: In-Depth Analysis & Recommendations
Dvir Sason

Dvir Sason

Nov 02, 2021

CISA has issued a security bulletin regarding the BlackMatter 'big game hunter' ransomware group following a sharp increase in cases targeting U.S. businesses. To mitigate these attacks, it is recommended...

REvil Ransomware Attack on Kaseya VSA: What You Need to Know
Dvir Sason

Dvir Sason

Jul 06, 2021

A malicious hotfix was released by Kaseya VSA servers resulting in the compromise and encryption of thousands of nodes at hundreds of businesses by REvil.

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