17 citations · 46 across the 9 of their papers we have counts for
6 papers · 1 filter
Identifying Key Expert Actors in Cybercrime Forums Based on their Technical Expertise
Estelle Ruellan, Francois Labreche, Masarah Paquet-Clouston
The advent of Big Data has made the collection and analysis of cyber threat intelligence challenging due to its volume, leading research to focus on identifying key threat actors;…
The Use of Large Language Models (LLM) for Cyber Threat Intelligence (CTI) in Cybercrime Forums
Vanessa Clairoux-Trepanier, Isa-May Beauchamp, Estelle Ruellan +3
Large language models (LLMs) can be used to analyze cyber threat intelligence (CTI) data from cybercrime forums, which contain extensive information and key discussions about emerg…
Mapping the DeFi crime landscape: an evidence-based picture
Catherine Carpentier-Desjardins, Masarah Paquet-Clouston, Stefan Kitzler +1
Decentralized finance (DeFi) has been the target of numerous profit-driven crimes, but the prevalence and cumulative impact of these crimes have not yet been assessed. This study p…
Conti Inc.: Understanding the Internal Discussions of a large Ransomware-as-a-Service Operator with Machine Learning
Estelle Ruellan, Masarah Paquet-Clouston, Sebastian Garcia
Ransomware-as-a-service (RaaS) is increasing the scale and complexity of ransomware attacks. Understanding the internal operations behind RaaS has been a challenge due to the illeg…
Spams meet Cryptocurrencies: Sextortion in the Bitcoin Ecosystem
Masarah Paquet-Clouston, Matteo Romiti, Bernhard Haslhofer +1
In the past year, a new spamming scheme has emerged: sexual extortion messages requiring payments in the cryptocurrency Bitcoin, also known as sextortion. This scheme represents a…
Ransomware Payments in the Bitcoin Ecosystem
Masarah Paquet-Clouston, Bernhard Haslhofer, Benoit Dupont
Ransomware can prevent a user from accessing a device and its files until a ransom is paid to the attacker, most frequently in Bitcoin. With over 500 known ransomware families, it…