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We present an approach to identifying which ransomware adversaries are most likely to target specific entities, thereby assisting these entities in formulating better protection strategies. Ransomware poses a formidable cybersecurity threat…

密码学与安全 · 计算机科学 2025-02-10 Spencer Massengale , Philip Huff

Ransomware is a type of malware which encrypts user data and extorts payments in return for the decryption keys. This cyberthreat is one of the most serious challenges facing organizations today and has already caused immense financial…

密码学与安全 · 计算机科学 2023-11-15 Aldin Vehabovic , Hadi Zanddizari , Nasir Ghani , G. Javidi , S. Uluagac , M. Rahouti , E. Bou-Harb , M. Safaei Pour

Ransomware attacks have increased significantly in recent years, causing great destruction and damage to critical systems and business operations. Attackers are unfailingly finding innovative ways to bypass detection mechanisms,…

密码学与安全 · 计算机科学 2022-04-01 Avinash Singh , Richard Adeyemi Ikuesan , Hein Venter

Crypto-Ransomware has been increasing in sophistication since it first appeared in September 2013, leveraging new attack vectors, incorporating advanced encryption algorithms, and expanding the number of file types it targets. In this…

密码学与安全 · 计算机科学 2023-12-14 Vadim Kotov , Mantej Rajpal

Ransomware is a malicious class of software that utilises encryption to implement an attack on system availability. The target's data remains encrypted and is held captive by the attacker until a ransom demand is met. A common approach used…

密码学与安全 · 计算机科学 2022-10-25 Simon R Davies , Richard Macfarlane , William J. Buchanan

This article attempts to discover the surreptitious features of ransomware and to address it in information systems security research. It intends to elicit attention with regard to ransomware, a newly emerged cyber threat using such…

密码学与安全 · 计算机科学 2016-03-29 Akashdeep Bhardwaj , G. V. B. Subrahmanyam , Vinay Avasthi , Hanumat Sastry

Ransomware has emerged as an infamous malware that has not escaped a lot of myths and inaccuracies from media hype. Victims are not sure whether or not to pay a ransom demand without fully understanding the lurking consequences. In this…

密码学与安全 · 计算机科学 2021-02-23 Aaron Zimba , Mumbi Chishimba , Sipiwe Chihana

With the recent growth in the number of malicious activities on the internet, cybersecurity research has seen a boost in the past few years. However, as certain variants of malware can provide highly lucrative opportunities for bad actors,…

密码学与安全 · 计算机科学 2019-11-20 Amir Atapour-Abarghouei , Stephen Bonner , Andrew Stephen McGough

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

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

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 is still one of the most serious cybersecurity threats. Victims often pay but fail to regain access to their data, while also facing the danger of losing data privacy. These uncertainties heavily shape the attacker-victim…

密码学与安全 · 计算机科学 2026-01-13 Xinyu Hou , Yang Lu , Rabimba Karanjai , Lei Xu , Weidong Shi

In recent years, ransomware has been one of the most notorious malware targeting end users, governments, and business organizations. It has become a very profitable business for cybercriminals with revenues of millions of dollars, and a…

密码学与安全 · 计算机科学 2022-02-25 Harun Oz , Ahmet Aris , Albert Levi , A. Selcuk Uluagac

Due to the pseudo-anonymity of the Bitcoin network, users can hide behind their bitcoin addresses that can be generated in unlimited quantity, on the fly, without any formal links between them. Thus, it is being used for payment transfer by…

密码学与安全 · 计算机科学 2021-09-01 Siddhartha Dalal , Zihe Wang , Siddhanth Sabharwal

Cybercrime is one of the major digital threats of this century. In particular, ransomware attacks have significantly increased, resulting in global damage costs of tens of billion dollars. In this paper, we train and test different Machine…

密码学与安全 · 计算机科学 2022-11-29 Benjamin Marais , Tony Quertier , Stéphane Morucci

Newly emerging variants of ransomware pose an ever-growing threat to computer systems governing every aspect of modern life through the handling and analysis of big data. While various recent security-based approaches have focused on…

计算机视觉与模式识别 · 计算机科学 2019-08-20 Amir Atapour-Abarghouei , Stephen Bonner , Andrew Stephen McGough

Crypto-ransomware remains a significant threat to governments and companies alike, with high-profile cyber security incidents regularly making headlines. Many different detection systems have been proposed as solutions to the ever-changing…

密码学与安全 · 计算机科学 2023-05-31 Simon R Davies , Richard Macfarlane , William J Buchanan

The rise of ransomware attacks has necessitated the development of effective strategies for identifying and mitigating these threats. This research investigates the utilization of a feature selection algorithm for distinguishing…

密码学与安全 · 计算机科学 2024-02-08 Mike Nkongolo

The current pandemic situation has increased cyber-attacks drastically worldwide. The attackers are using malware like trojans, spyware, rootkits, worms, ransomware heavily. Ransomware is the most notorious malware, yet we did not have any…

密码学与安全 · 计算机科学 2022-06-07 Nanda Rani , Sunita Vikrant Dhavale

Ransomware has emerged as one of the most concerned cyber risks in recent years, which has caused millions of dollars monetary loss over the world. It typically demands a certain amount of ransom payment within a limited timeframe to…

综合经济学 · 经济学 2020-10-15 Rui Fang , Maochao Xu , Peng Zhao