Search Results for author: Sebastian Garcia

Found 10 papers, 4 papers with code

The Power of MEME: Adversarial Malware Creation with Model-Based Reinforcement Learning

1 code implementation31 Aug 2023 Maria Rigaki, Sebastian Garcia

However, machine learning models are susceptible to adversarial attacks, requiring the testing of model and product robustness.

Adversarial Attack Malware Detection +3

Conti Inc.: Understanding the Internal Discussions of a large Ransomware-as-a-Service Operator with Machine Learning

no code implementations30 Aug 2023 Estelle Ruellan, Masarah Paquet-Clouston, Sebastian Garcia

Moreover, the distribution of topics among Conti members shows that only 4% of individuals have specialized discussions while almost all individuals (96%) are all-rounders, meaning that their discussions revolve around the five topics.

Management

Catch Me If You Can: Improving Adversaries in Cyber-Security With Q-Learning Algorithms

no code implementations7 Feb 2023 Arti Bandhana, Ondřej Lukáš, Sebastian Garcia, Tomáš Kroupa

The ongoing rise in cyberattacks and the lack of skilled professionals in the cybersecurity domain to combat these attacks show the need for automated tools capable of detecting an attack with good performance.

Q-Learning

Stealing and Evading Malware Classifiers and Antivirus at Low False Positive Conditions

1 code implementation13 Apr 2022 Maria Rigaki, Sebastian Garcia

We achieved good surrogates of the stand-alone classifiers with up to 99\% agreement with the target models, using less than 4% of the original training dataset.

Active Learning Malware Detection +1

Deep Generative Models to Extend Active Directory Graphs with Honeypot Users

no code implementations13 Sep 2021 Ondrej Lukas, Sebastian Garcia

The model was evaluated by the similarity of the generated AD with the original, by the positions of the new nodes, by the similarity with GraphRNN and finally by making real intruders attack the generated AD structure to see if they select the honeyusers.

A Survey of Privacy Attacks in Machine Learning

1 code implementation15 Jul 2020 Maria Rigaki, Sebastian Garcia

Our contribution in this research is an analysis of more than 40 papers related to privacy attacks against machine learning that have been published during the past seven years.

BIG-bench Machine Learning

DNS Tunneling: A Deep Learning based Lexicographical Detection Approach

no code implementations11 Jun 2020 Franco Palau, Carlos Catania, Jorge Guerra, Sebastian Garcia, Maria Rigaki

Domain Name Service is a trusted protocol made for name resolution, but during past years some approaches have been developed to use it for data transfer.

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