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相关论文: Hierarchical Entropy Disruption for Ransomware Det…

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Ransomware poses a significant threat to individuals and organisations, compelling tools to investigate its behaviour and the effectiveness of mitigations. To answer this need, we present SAFARI, an open-source framework designed for safe…

密码学与安全 · 计算机科学 2025-04-11 Tommaso Compagnucci , Franco Callegati , Saverio Giallorenzo , Andrea Melis , Simone Melloni , Alessandro Vannini

Ransomware is a kind of malware using cryptographic mechanisms to prevent victims from normal use of their computers. As a result, victims lose the access to their files and desktops unless they pay the ransom to the attackers. By the end…

密码学与安全 · 计算机科学 2020-11-23 Tianrou Xia , Yuanyi Sun , Sencun Zhu , Zeeshan Rasheed , Khurram Shafique

Cybersecurity faces challenges in identifying and mitigating ransomware, which is important for protecting critical infrastructures. The absence of datasets for distinguishing normal versus abnormal network behaviour hinders the development…

密码学与安全 · 计算机科学 2024-04-22 Peace Azugo , Hein Venter , Mike Wa Nkongolo

Timely and accurate detection of anomalies in power electronics is becoming increasingly critical for maintaining complex production systems. Robust and explainable strategies help decrease system downtime and preempt or mitigate…

Accurate and timely detection of cyber threats is critical to keeping our online economy and data safe. A key technique in early detection is the classification of unusual patterns of network behaviour, often hidden as low-frequency events…

密码学与安全 · 计算机科学 2024-05-01 Anthony Kenyon , Lipika Deka , David Elizondo

The damage caused by crypto-ransomware, due to encryption, is difficult to revert and cause data losses. In this paper, a machine learning (ML) classifier was built to early detect ransomware (called crypto-ransomware) that uses…

密码学与安全 · 计算机科学 2020-03-17 Chih-Yuan Yang , Ravi Sahita

A survey of machine learning techniques trained to detect ransomware is presented. This work builds upon the efforts of Taylor et al. in using sensor-based methods that utilize data collected from built-in instruments like CPU power and…

机器学习 · 计算机科学 2021-10-18 Erik Larsen , David Noever , Korey MacVittie

Data breaches and ransomware attacks occur so often that they have become part of our daily news cycle. This is due to a myriad of factors, including the increasing number of internet-of-things devices, shift to remote work during the…

Ransomware, a type of malicious software that encrypts a victim's files and only releases the cryptographic key once a ransom is paid, has emerged as a potentially devastating class of cybercrimes in the past few years. In this paper, we…

密码学与安全 · 计算机科学 2018-03-06 Florian Quinkert , Thorsten Holz , KSM Tozammel Hossain , Emilio Ferrara , Kristina Lerman

Ransomware variants increasingly combine privilege escalation with sophisticated evasion strategies such as intermittent encryption, low-entropy encryption, and imitation attacks. Such powerful ransomware variants, privilege-escalated…

密码学与安全 · 计算机科学 2026-01-27 Beom Heyn Kim , Seok Min Hong , Mohammad Mannan

In response to the increasing ransomware threat, this study presents a novel detection system that integrates Convolutional Neural Networks (CNNs) and Long Short-Term Memory (LSTM) networks. By leveraging Sysmon logs, the system enables…

密码学与安全 · 计算机科学 2025-01-03 Jamil Ispahany , MD Rafiqul Islam , M. Arif Khan , MD Zahidul Islam

Ransomware attacks have caused billions of dollars in damages in recent years, and are expected to cause billions more in the future. Consequently, significant effort has been devoted to ransomware detection and mitigation. Behavioral-based…

密码学与安全 · 计算机科学 2025-07-14 Dorjan Hitaj , Giulio Pagnotta , Fabio De Gaspari , Lorenzo De Carli , Luigi V. Mancini

Anomaly detection is a critical task in cybersecurity, where identifying insider threats, access violations, and coordinated attacks is essential for ensuring system resilience. Graph-based approaches have become increasingly important for…

密码学与安全 · 计算机科学 2026-03-31 Laura Jiang , Reza Ryan , Qian Li , Nasim Ferdosian

Detection of malicious activities in corporate environments is a very complex task and much effort has been invested into research of its automation. However, vast majority of existing methods operate only in a narrow scope which limits…

密码学与安全 · 计算机科学 2021-11-11 Jan Kohout , Čeněk Škarda , Kyrylo Shcherbin , Martin Kopp , Jan Brabec

Recent statistics show that in 2015 more than 140 millions new malware samples have been found. Among these, a large portion is due to ransomware, the class of malware whose specific goal is to render the victim's system unusable, in…

密码学与安全 · 计算机科学 2016-09-13 Daniele Sgandurra , Luis Muñoz-González , Rabih Mohsen , Emil C. Lupu

Ransomware attacks are increasing at an alarming rate, leading to large financial losses, unrecoverable encrypted data, data leakage, and privacy concerns. The prompt detection of ransomware attacks is required to minimize further damage,…

密码学与安全 · 计算机科学 2022-05-31 Jurijs Nazarovs , Jack W. Stokes , Melissa Turcotte , Justin Carroll , Itai Grady

DNS tunneling techniques are often used for malicious purposes but network security mechanisms have struggled to detect these. Network forensic analysis has thus been used but has proved slow and effort intensive as Network Forensics…

密码学与安全 · 计算机科学 2017-09-20 Irvin Homem , Panagiotis Papapetrou , Spyridon Dosis

This paper introduces a numerical framework for establishing lower bounds on the conditional von-Neumann entropy in device-independent quantum cryptography and randomness extraction scenarios. Leveraging a hierarchy of semidefinite programs…

量子物理 · 物理学 2025-08-22 Gereon Koßmann , René Schwonnek

Linux-based cloud environments have become lucrative targets for ransomware attacks, employing various encryption schemes at unprecedented speeds. Addressing the urgency for real-time ransomware protection, we propose leveraging the…

Ransomware is a growing threat that typically operates by either encrypting a victim's files or locking a victim's computer until the victim pays a ransom. However, it is still challenging to detect such malware timely with existing…

密码学与安全 · 计算机科学 2021-02-01 Muhammad Ejaz Ahmed , Hyoungshick Kim , Seyit Camtepe , Surya Nepal