20 citations · 33 across the 6 of their papers we have counts for
5 papers · 1 filter
Towards Automated Homomorphic Encryption Parameter Selection with Fuzzy Logic and Linear Programming
José Cabrero-Holgueras, Sergio Pastrana
Homomorphic Encryption (HE) is a set of powerful properties of certain cryptosystems that allow for privacy-preserving operation over the encrypted text. Still, HE is not widesprea…
Avaddon ransomware: an in-depth analysis and decryption of infected systems
Javier Yuste, Sergio Pastrana
The commoditization of Malware-as-a-Service (MaaS) allows criminals to obtain financial benefits at a low risk and with little technical background. One such popular product in the…
Understanding eWhoring
Alice Hutchings, Sergio Pastrana
In this paper, we describe a new type of online fraud, referred to as 'eWhoring' by offenders. This crime script analysis provides an overview of the 'eWhoring' business model, dra…
A First Look at the Crypto-Mining Malware Ecosystem: A Decade of Unrestricted Wealth
Sergio Pastrana, Guillermo Suarez-Tangil
Illicit crypto-mining leverages resources stolen from victims to mine cryptocurrencies on behalf of criminals. While recent works have analyzed one side of this threat, i.e.: web-b…
Shall we collaborate? A model to analyse the benefits of information sharing
Roberto Garrido-Pelaz, Lorena Gozalez-Manzano, Sergio Pastrana
Nowadays, both the amount of cyberattacks and their sophistication have considerably increased, and their prevention is of concern of most of organizations. Cooperation by means of…