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Neural network-based anomaly detection methods have shown to achieve high performance. However, they require a large amount of training data for each task. We propose a neural network-based meta-learning method for supervised anomaly…

机器学习 · 统计学 2021-03-02 Tomoharu Iwata , Atsutoshi Kumagai

Ransomware is considered as a significant threat for most enterprises since the past few years. In scenarios wherein users can access all files on a shared server, one infected host can lock the access to all shared files. We propose a tool…

密码学与安全 · 计算机科学 2022-02-16 Eduardo Berrueta , Daniel Morato , Eduardo Magaña , Mikel Izal

Emergence of crypto-ransomware has significantly changed the cyber threat landscape. A crypto ransomware removes data custodian access by encrypting valuable data on victims' computers and requests a ransom payment to reinstantiate…

密码学与安全 · 计算机科学 2018-08-07 Sajad Homayoun , Ali Dehghantanha , Marzieh Ahmadzadeh , Sattar Hashemi , Raouf Khayami

File encrypting ransomware increasingly employs intermittent encryption techniques, encrypting only parts of files to evade classical detection methods. These strategies, exemplified by ransomware families like BlackCat, complicate file…

密码学与安全 · 计算机科学 2026-02-24 Ynes Ineza , Gerald Jackson , Prince Niyonkuru , Jaden Kevil , Abdul Serwadda

Behavior of a malware varies with respect to malware types. Therefore,knowing type of a malware affects strategies of system protection softwares. Many malware type classification models empowered by machine and deep learning achieve…

密码学与安全 · 计算机科学 2020-08-25 Aykut Çayır , Uğur Ünal , Hasan Dağ

Few-shot image classification aims to classify unseen classes with limited labelled samples. Recent works benefit from the meta-learning process with episodic tasks and can fast adapt to class from training to testing. Due to the limited…

计算机视觉与模式识别 · 计算机科学 2021-02-24 Da Chen , Yuefeng Chen , Yuhong Li , Feng Mao , Yuan He , Hui Xue

Gathering cyber threat intelligence from open sources is becoming increasingly important for maintaining and achieving a high level of security as systems become larger and more complex. However, these open sources are often subject to…

密码学与安全 · 计算机科学 2022-07-25 Markus Bayer , Tobias Frey , Christian Reuter

Neural network models that are not conditioned on class identities were shown to facilitate knowledge transfer between classes and to be well-suited for one-shot learning tasks. Following this motivation, we further explore and establish…

机器学习 · 统计学 2018-06-28 Gil Keren , Maximilian Schmitt , Thomas Kehrenberg , Björn Schuller

Modern threat landscapes continue to evolve with increasing sophistication, challenging traditional detection methodologies and necessitating innovative solutions capable of addressing complex adversarial tactics. A novel framework was…

密码学与安全 · 计算机科学 2025-03-27 Levi Gareth , Maximilian Fairbrother , Peregrine Blackwood , Lucasta Underhill , Benedict Ruthermore

Achieving state-of-the-art results in face verification systems typically hinges on the availability of labeled face training data, a resource that often proves challenging to acquire in substantial quantities. In this research endeavor, we…

计算机视觉与模式识别 · 计算机科学 2024-02-12 Enoch Solomon , Abraham Woubie , Eyael Solomon Emiru

This research recasts ransomware detection using performance monitoring and statistical machine learning. The work builds a test environment with 41 input variables to label and compares three computing states: idle, encryption and…

密码学与安全 · 计算机科学 2021-09-28 David Noever , Samantha Miller Noever

Cyber security can be enhanced through application of machine learning by recasting network attack data into an image format, then applying supervised computer vision and other machine learning techniques to detect malicious specimens.…

机器学习 · 计算机科学 2021-11-04 Erik Larsen , Korey MacVittie , John Lilly

This study provides a comprehensive synthesis of Artificial Intelligence (AI), especially Machine Learning (ML) and Deep Learning (DL), in ransomware defense. Using a "review of reviews" methodology based on PRISMA, this paper gathers…

Malicious activities in cyberspace have gone further than simply hacking machines and spreading viruses. It has become a challenge for a nations survival and hence has evolved to cyber warfare. Malware is a key component of cyber-crime, and…

密码学与安全 · 计算机科学 2021-07-09 Muhammad Asam , Saddam Hussain Khan , Tauseef Jamal , Umme Zahoora , Asifullah Khan

The growing scale and sophistication of cyberattacks pose critical challenges to network security, particularly in detecting diverse intrusion types within imbalanced datasets. Traditional intrusion detection systems (IDS) often struggle to…

密码学与安全 · 计算机科学 2025-11-25 Nisith Dissanayake , Uthayasanker Thayasivam

Ransomware is a significant global threat, with easy deployment due to the prevalent ransomware-as-a-service model. Machine learning algorithms incorporating the use of opcode characteristics and Support Vector Machine have been…

密码学与安全 · 计算机科学 2018-07-30 James Baldwin , Ali Dehghantanha

Convolutional neural networks (CNN) have been shown to provide a good solution for classification problems that utilize data obtained from vibrational spectroscopy. Moreover, CNNs are capable of identification from noisy spectra without the…

信号处理 · 电气工程与系统科学 2018-06-27 Jinchao Liu , Stuart J. Gibson , James Mills , Margarita Osadchy

This study investigates the performance of various classification models for a malware classification task using different feature sets and data configurations. Six models-Logistic Regression, K-Nearest Neighbors (KNN), Support Vector…

机器学习 · 计算机科学 2025-03-05 Areej Dweib , Montaser Tanina , Shehab Alawi , Mohammad Dyab , Huthaifa I. Ashqar

Crypto-ransomware attacks have been a growing threat over the last few years. The goal of every ransomware strain is encrypting user data, such that attackers can later demand users a ransom for unlocking their data. To maximise their…

密码学与安全 · 计算机科学 2025-01-23 Marco Venturini , Francesco Freda , Emanuele Miotto , Mauro Conti , Alberto Giaretta

The continued evolution and diversity of malware constitutes a major threat in modern systems. It is well proven that security defenses currently available are ineffective to mitigate the skills and imagination of cyber-criminals…

密码学与安全 · 计算机科学 2019-04-02 Irina Baptista , Stavros Shiaeles , Nicholas Kolokotronis