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Related papers: Studying Ransomware Attacks Using Web Search Logs

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Proliferation of cryptocurrencies (e.g., Bitcoin) that allow pseudo-anonymous transactions, has made it easier for ransomware developers to demand ransom by encrypting sensitive user data. The recently revealed strikes of ransomware attacks…

Cryptography and Security · Computer Science 2019-06-20 Cuneyt Gurcan Akcora , Yitao Li , Yulia R. Gel , Murat Kantarcioglu

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…

Cryptography and Security · Computer Science 2022-02-16 Eduardo Berrueta , Daniel Morato , Eduardo Magaña , Mikel Izal

Cybersecurity attacks are growing both in frequency and sophistication over the years. This increasing sophistication and complexity call for more advancement and continuous innovation in defensive strategies. Traditional methods of…

Machine Learning · Computer Science 2020-01-20 Antoine Delplace , Sheryl Hermoso , Kristofer Anandita

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…

Cryptography and Security · Computer Science 2023-11-15 Aldin Vehabovic , Hadi Zanddizari , Nasir Ghani , G. Javidi , S. Uluagac , M. Rahouti , E. Bou-Harb , M. Safaei Pour

Phishing is a well-known cybersecurity attack that has rapidly increased in recent years. It poses legitimate risks to businesses, government agencies, and all users due to sensitive data breaches, subsequent financial and productivity…

Cryptography and Security · Computer Science 2019-08-19 Sanchari Das , Andrew Kim , Zachary Tingle , Christena Nippert-Eng

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

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…

Cryptography and Security · Computer Science 2021-02-23 Aaron Zimba , Mumbi Chishimba , Sipiwe Chihana

Phishing is the combination of social engineering and technical exploits designed to convince a victim to provide personal information, usually for the monetary gain of the attacker. Phishing has become the most popular practice among the…

Cryptography and Security · Computer Science 2011-10-04 Aanchal Jain , Vineet Richariya

Bitcoin cryptocurrency system enables users to transact securely and pseudo-anonymously by using an arbitrary number of aliases (Bitcoin addresses). Cybercriminals exploit these characteristics to commit immutable and presumably untraceable…

Cryptography and Security · Computer Science 2018-11-27 Mauro Conti , Ankit Gangwal , Sushmita Ruj

As a consequence of the growing popularity of smart mobile devices, mobile malware is clearly on the rise, with attackers targeting valuable user information and exploiting vulnerabilities of the mobile ecosystems. With the emergence of…

Networking and Internet Architecture · Computer Science 2014-05-12 Erol Gelenbe , Gokce Gorbil , Dimitrios Tzovaras , Steffen Liebergeld , David Garcia , Madalina Baltatu , George Lyberopoulos

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…

Cryptography and Security · Computer Science 2023-04-25 Ian W. Gray , Jack Cable , Benjamin Brown , Vlad Cuiujuclu , Damon McCoy

With rise in security breaches over the past few years, there has been an increasing need to mine insights from social media platforms to raise alerts of possible attacks in an attempt to defend conflict during competition. We use…

Social and Information Networks · Computer Science 2018-11-16 Soumajyoti Sarkar , Mohammad Almukaynizi , Jana Shakarian , Paulo Shakarian

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…

Cryptography and Security · Computer Science 2024-09-11 Adrian Brodzik , Tomasz Malec-Kruszyński , Wojciech Niewolski , Mikołaj Tkaczyk , Krzysztof Bocianiak , Sok-Yen Loui

Malware proliferation and sophistication have drastically increased and evolved continuously. Recent indiscriminate ransomware victimizations have imposed critical needs of effective detection techniques to prevent damages. Therefore,…

Computers and Society · Computer Science 2020-05-13 Abdulrahman Alzahrani , Ali Alshehri , Hani Alshahrani , Huirong Fu

In the realm of cybersecurity, phishing stands as a prevalent cyber attack, where attackers employ various tactics to deceive users into gathering their sensitive information, potentially leading to identity theft or financial gain.…

Cryptography and Security · Computer Science 2025-09-11 Aditya Kulkarni , Vivek Balachandran , Tamal Das

In the wake of the arrival of digital media, the Internet, the web, and online social media, a flood of new cyber security research questions have emerged. There is a lot of money being lost around the world because of cyber-attacks. As a…

Cryptography and Security · Computer Science 2023-08-29 Kashif Ishaq , Sidra Fareed

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

URLs are central to a myriad of cyber-security threats, from phishing to the distribution of malware. Their inherent ease of use and familiarity is continuously abused by attackers to evade defences and deceive end-users. Seemingly…

Cryptography and Security · Computer Science 2021-08-31 Mahathir Almashor , Ejaz Ahmed , Benjamin Pick , Sharif Abuadbba , Raj Gaire , Seyit Camtepe , Surya Nepal

The explosive growth of cyber attacks nowadays, such as malware, spam, and intrusions, caused severe consequences on society. Securing cyberspace has become an utmost concern for organizations and governments. Traditional Machine Learning…

Cryptography and Security · Computer Science 2024-02-20 Bo Yan , Cheng Yang , Chuan Shi , Yong Fang , Qi Li , Yanfang Ye , Junping Du

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…

Cryptography and Security · Computer Science 2025-07-14 Dorjan Hitaj , Giulio Pagnotta , Fabio De Gaspari , Lorenzo De Carli , Luigi V. Mancini