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Ransomware operations have evolved from relatively unsophisticated threat actors into highly coordinated cybercrime syndicates that regularly extort millions of dollars in a single attack. Despite dominating headlines and crippling…

密码学与安全 · 计算机科学 2023-04-25 Ian W. Gray , Jack Cable , Benjamin Brown , Vlad Cuiujuclu , Damon McCoy

Detecting encryption-driven cyber threats remains a large challenge due to the evolving techniques employed to evade traditional detection mechanisms. An entropy-based computational framework was introduced to analyze multi-domain system…

密码学与安全 · 计算机科学 2025-03-27 Michael Mannon , Evan Statham , Quentin Featherstone , Sebastian Arkwright , Clive Fenwick , Gareth Willoughby

In the banking industry, ransomware is a well-known threat, but since the beginning of 2022, cryptojacking, an emerging threat is posing a considerable challenge to the banking industry. Ransomware has variants, and the attackers keep…

密码学与安全 · 计算机科学 2023-11-28 Naresh Kshetri , Mir Mehedi Rahman , Sayed Abu Sayeed , Irin Sultana

The Supervisory control and data acquisition (SCADA) systems have been continuously leveraging the evolution of network architecture, communication protocols, next-generation communication techniques (5G, 6G, Wi-Fi 6), and the internet of…

系统与控制 · 电气工程与系统科学 2021-04-16 Manoj Basnet , Subash Poudyal , Mohd. Hasan Ali , Dipankar Dasgupta

The LockBit 3.0 ransomware variant is arguably the most threatening of malware in recent times. With no regard for a victim's industry, the ransomware has undergone several evolutions to arrive at an adaptable and evasive variant which has…

密码学与安全 · 计算机科学 2023-08-11 Oladipupo Akinyemi , Rejwan Sulaiman , Nasr Abosata

As cyber-attacks continue to increase in frequency and sophistication, organisations must be better prepared to face the reality of an incident. Any organisational plan that intends to be successful at managing security risks must clearly…

密码学与安全 · 计算机科学 2023-07-07 Nandita Pattnaik , Jason R. C. Nurse , Sarah Turner , Gareth Mott , Jamie MacColl , Pia Huesch , James Sullivan

Ransomware has remained one of the most notorious threats in the cybersecurity field. Moving Target Defense (MTD) has been proposed as a novel paradigm for proactive defense. Although various approaches leverage MTD, few of them rely on the…

密码学与安全 · 计算机科学 2023-11-17 Jan von der Assen , Alberto Huertas Celdrán , Rinor Sefa , Gérôme Bovet , Burkhard Stiller

The malware and botnet phenomenon is among the most significant threats to cybersecurity today. Consequently, law enforcement agencies, security companies, and researchers are constantly seeking to disrupt these malicious operations through…

密码学与安全 · 计算机科学 2021-07-08 Colin C. Ife , Yun Shen , Steven J. Murdoch , Gianluca Stringhini

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

The financial industry relies on deep learning models for making important decisions. This adoption brings new danger, as deep black-box models are known to be vulnerable to adversarial attacks. In computer vision, one can shape the output…

机器学习 · 计算机科学 2024-08-27 Alina Ermilova , Elizaveta Kovtun , Dmitry Berestnev , Alexey Zaytsev

Backdoor Malware are installed by an attacker on the victim's server(s) for authorized access. A customized backdoor is weaponized to execute unauthorized system, database and application commands to access the user credentials and…

密码学与安全 · 计算机科学 2025-02-07 Anthony Cheuk Tung Lai , Vitaly Kamluk , Alan Ho , Ping Fan Ke , Byron Wai

Day by day, the frequency of ransomware attacks on organizations is experiencing a significant surge. High-profile incidents involving major entities like Las Vegas giants MGM Resorts, Caesar Entertainment, and Boeing underscore the…

密码学与安全 · 计算机科学 2024-09-17 Pranjal Sharma

With the number of new mobile malware instances increasing by over 50\% annually since 2012 [24], malware embedding in mobile apps is arguably one of the most serious security issues mobile platforms are exposed to. While obfuscation…

密码学与安全 · 计算机科学 2019-08-23 Muhammad Ikram , Pierrick Beaume , Mohamed Ali Kaafar

Over the last decade, malicious software (or malware, for short) has shown an increasing sophistication and proliferation, fueled by a flourishing underground economy, in response to the increasing complexity of modern defense mechanisms.…

密码学与安全 · 计算机科学 2017-07-18 Davide Maiorca , Battista Biggio

Ransomware represents a pervasive threat, traditionally countered at the operating system, file-system, or network levels. However, these approaches often introduce significant overhead and remain susceptible to circumvention by attackers.…

密码学与安全 · 计算机科学 2024-12-31 Nicolas Reategui , Roman Pletka , Dionysios Diamantopoulos

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

Ransomware has become a significant global threat with the ransomware-as-a-service model enabling easy availability and deployment, and the potential for high revenues creating a viable criminal business model. Individuals, private…

密码学与安全 · 计算机科学 2018-07-30 Omar M. K. Alhawi , James Baldwin , Ali Dehghantanha

As our professional, social, and financial existences become increasingly digitized and as our government, healthcare, and military infrastructures rely more on computer technologies, they present larger and more lucrative targets for…

密码学与安全 · 计算机科学 2016-12-05 Ethan M. Rudd , Andras Rozsa , Manuel Günther , Terrance E. Boult

Adversarial Training is a proven defense strategy against adversarial malware. However, generating adversarial malware samples for this type of training presents a challenge because the resulting adversarial malware needs to remain evasive…

密码学与安全 · 计算机科学 2024-05-22 Daniel Commey , Benjamin Appiah , Bill K. Frimpong , Isaac Osei , Ebenezer N. A. Hammond , Garth V. Crosby

We present in this work an economic analysis of ransomware, with relevant data from Cryptolocker, CryptoWall, TeslaCrypt and other major strands. We include a detailed study of the impact that different price discrimination strategies can…

密码学与安全 · 计算机科学 2017-03-21 Julio Hernandez-Castro , Edward Cartwright , Anna Stepanova