Erwan CHEVALIER

Principal Threat Researcher

Articles by
Erwan CHEVALIER

Thank you! Your submission has been received!
Oops! Something went wrong while submitting the form.
Blurry black and white rippling surface.
Threat Research & Intelligence
TDR Team
Cybercrime
Ransomware
July 8, 2022

Vice Society: A discreet but steady double extortion ransomware group

Vice Society is a little-known double extortion group that exfiltrates its victims' data and threatens its victims to leak their information.

By
Erwan CHEVALIER
By
Narimane LAVAY
By
TDR Team
& more
View more
A screenshot of the Conti News page.
Detection Engineering
TDR Team
Cybercrime
Ransomware
August 19, 2021

An insider insight into Conti operations – Part Two

This is the second part of our blog post about Conti, here we'll see how to detect Conti Operations techniques and much more.

By
Quentin Bourgue
By
Erwan CHEVALIER
By
Guillaume COUCHARD
By
TDR Team
& more
View more
A preview of the conti news site.
Detection Engineering
TDR Team
Cybercrime
Ransomware
August 17, 2021

An insider insight into Conti operations - Part One

In part 1, we focus on the Conti ransomware group whose training material was recently leaked on a cybercrime forum.

By
Guillaume COUCHARD
By
Livia TIBIRNA
By
Erwan CHEVALIER
By
Narimane LAVAY
By
TDR Team
& more
View more
A diagram of Cobalt Strike in action
Threat Research & Intelligence
TDR Team
March 24, 2021

Hunting and detecting Cobalt Strike

In this blog post, we describe step by step how to ensure a proactive and defensive posture against Cobalt Strike.

By
Erwan CHEVALIER
By
Narimane LAVAY
By
TDR Team
& more
View more