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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…

Cryptography and Security · Computer Science 2025-02-10 Spencer Massengale , Philip Huff

In recent years, there has been a noticeable increase in cyberattacks using ransomware. Attackers use this malicious software to break into networks and harm computer systems. This has caused significant and lasting damage to various…

Cryptography and Security · Computer Science 2024-02-06 Ali Mehrban , Shirin Karimi Geransayeh

Enterprises are constantly under attack from sophisticated adversaries. These adversaries use a variety of techniques to first gain access to the enterprise, then spread laterally inside its networks, establish persistence, and finally…

Cryptography and Security · Computer Science 2024-06-14 Sumanth Rao

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…

Cryptography and Security · Computer Science 2024-09-17 Pranjal Sharma

Ransomware has grown to become one of the most damaging types of cybercrime, affecting private and public organizations in any sector. While early types of ransomware targeted many victims via automated attacks, ransomware groups have…

Cryptography and Security · Computer Science 2026-05-26 Lea Müller , York Yannikos

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,…

Cryptography and Security · Computer Science 2019-11-20 Amir Atapour-Abarghouei , Stephen Bonner , Andrew Stephen McGough

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…

Cryptography and Security · Computer Science 2023-07-07 Nandita Pattnaik , Jason R. C. Nurse , Sarah Turner , Gareth Mott , Jamie MacColl , Pia Huesch , James Sullivan

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…

Cryptography and Security · Computer Science 2018-03-06 Florian Quinkert , Thorsten Holz , KSM Tozammel Hossain , Emilio Ferrara , Kristina Lerman

Ransomware uses encryption methods to make data inaccessible to legitimate users. To date a wide range of ransomware families have been developed and deployed, causing immense damage to governments, corporations, and private users. As these…

Cryptography and Security · Computer Science 2023-05-23 Aldin Vehabovic , Nasir Ghani , Elias Bou-Harb , Jorge Crichigno , Aysegul Yayimli

Ransomware attacks have become a pervasive and costly form of cybercrime, causing tens of millions of dollars in losses as organizations increasingly pay ransoms to mitigate operational disruptions and financial risks. While prior research…

Computer Science and Game Theory · Computer Science 2025-08-25 Haohui Zhang , Sirui Shen , Xinyu Hu , Chenglu Jin

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…

Cryptography and Security · Computer Science 2020-11-23 Tianrou Xia , Yuanyi Sun , Sencun Zhu , Zeeshan Rasheed , Khurram Shafique

While recognized as a theoretical and practical concept for over 20 years, only now ransomware has taken centerstage as one of the most prevalent cybercrimes. Various reports demonstrate the enormous burden placed on companies, which have…

Cryptography and Security · Computer Science 2017-08-23 Aron Laszka , Sadegh Farhang , Jens Grossklags

Computing is still under a significant threat from ransomware, which necessitates prompt action to prevent it. Ransomware attacks can have a negative impact on how smart grids, particularly digital substations. In addition to examining a…

Cryptography and Security · Computer Science 2024-05-02 Hong-Nhung Nguyen , Ha-Thanh Nguyen , Damien Lescos

Ransomware constitutes a significant threat to the Android operating system. It can either lock or encrypt the target devices, and victims are forced to pay ransoms to restore their data. Hence, the prompt detection of such attacks has a…

Cryptography and Security · Computer Science 2019-07-03 Michele Scalas , Davide Maiorca , Francesco Mercaldo , Corrado Aaron Visaggio , Fabio Martinelli , Giorgio Giacinto

The ransomware threat has loomed over our digital life since 1989. Criminals use this type of cyber attack to lock or encrypt victims' data, often coercing them to pay exorbitant amounts in ransom. The damage ransomware causes ranges from…

Cryptography and Security · Computer Science 2023-06-22 Kenan Begovic , Abdulaziz Al-Ali , Qutaibah Malluhi

Ransomware is a growing threat to individuals and enterprises alike, constituting a major factor in cyber insurance and in the security planning of every organization. Although the game theoretic lens often frames the game as a competition…

Cryptography and Security · Computer Science 2022-06-28 Erick Galinkin

Nowadays security is major concern for any user connected to the internet. Various types of attacks are to be performed by intruders to obtaining user information as manin-middle attack, denial of service, malware attacks etc. Malware…

Cryptography and Security · Computer Science 2020-01-22 Jaspreet Kaur

Over the past three years, especially following WannaCry malware, ransomware has become one of the biggest concerns for private businesses, state, and local government agencies. According to Homeland Security statistics, 1.5 million…

Cryptography and Security · Computer Science 2020-03-18 Murat Ozer , Said Varlioglu , Bilal Gonen , Mehmet F. Bastug

In this paper, we consider how the development of targeted ransomware has affected the dynamics of ransomware negotiations to better understand how to respond to ransomware attacks. We construct a model of ransomware negotiations as an…

Dynamical Systems · Mathematics 2022-04-14 Pierce Ryan , John Fokker , Sorcha Healy , Andreas Amann

Vicious assaults, malware, and various ransomware pose a cybersecurity threat, causing considerable damage to computer structures, servers, and mobile and web apps across various industries and businesses. These safety concerns are…

Cryptography and Security · Computer Science 2023-11-29 Kavitha Kunku , ANK Zaman , Kaushik Roy
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