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Related papers: RAPPER: Ransomware Prevention via Performance Coun…

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With the rapid technological advancement, security has become a major issue due to the increase in malware activity that poses a serious threat to the security and safety of both computer systems and stakeholders. To maintain stakeholders,…

Recommender systems are an integral part of online platforms that recommend new content to users with similar interests. However, they demand a considerable amount of user activity data where, if the data is not adequately protected,…

Cryptography and Security · Computer Science 2024-06-03 Shibam Mukherjee , Roman Walch , Fredrik Meisingseth , Elisabeth Lex , Christian Rechberger

Memory was captured from a system infected by ransomware and its contents was examined using live forensic tools, with the intent of identifying the symmetric encryption keys being used. NotPetya, Bad Rabbit and Phobos hybrid ransomware…

Cryptography and Security · Computer Science 2020-12-22 Simon R. Davies , Richard Macfarlane , William J. Buchanan

Cybercriminals have been exploiting cryptocurrencies to commit various unique financial frauds. Covert cryptomining - which is defined as an unauthorized harnessing of victims' computational resources to mine cryptocurrencies - is one of…

Cryptography and Security · Computer Science 2020-12-16 Ankit Gangwal , Samuele Giuliano Piazzetta , Gianluca Lain , Mauro Conti

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 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…

Cryptography and Security · Computer Science 2022-02-25 Harun Oz , Ahmet Aris , Albert Levi , A. Selcuk Uluagac

Detecting malware, especially ransomware, is essential to securing today's interconnected ecosystems, including cloud storage, enterprise file-sharing, and database services. Training high-performing artificial intelligence (AI) detectors…

Cryptography and Security · Computer Science 2025-11-04 Daniel M. Jimenez-Gutierrez , Enrique Zuazua , Joaquin Del Rio , Oleksii Sliusarenko , Xabi Uribe-Etxebarria

Advanced persistent threats (APT) are stealthy cyber-attacks that are aimed at stealing valuable information from target organizations and tend to extend in time. Blocking all APTs is impossible, security experts caution, hence the…

Cryptography and Security · Computer Science 2021-05-24 Sidahmed Benabderrahmane , Ghita Berrada , James Cheney , Petko Valtchev

Malwares are big threat to digital world and evolving with high complexity. It can penetrate networks, steal confidential information from computers, bring down servers and can cripple infrastructures etc. To combat the threat/attacks from…

Cryptography and Security · Computer Science 2015-12-03 Ashu Sharma , S. K. Sahay

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…

Cryptography and Security · Computer Science 2025-01-03 Jamil Ispahany , MD Rafiqul Islam , M. Arif Khan , MD Zahidul Islam

This study focuses on the creation and implementation of ransomware for educational purposes that leverages Python's native cryptographic APIs in a controlled environment. Additionally, an Android version of the framework is implemented…

Cryptography and Security · Computer Science 2025-08-19 James Gu , Ahmed Sartaj , Mohammed Akram Taher Khan , Rashid Hussain Khokhar

Malware detection is increasingly challenged by evolving techniques like obfuscation and polymorphism, limiting the effectiveness of traditional methods. Meanwhile, the widespread adoption of software containers has introduced new security…

Protecting state-of-the-art AI-based cybersecurity defense systems from cyber attacks is crucial. Attackers create adversarial examples by adding small changes (i.e., perturbations) to the attack features to evade or fool the deep learning…

Cryptography and Security · Computer Science 2025-08-28 Manabu Hirano , Ryotaro Kobayashi

Traditional techniques to prevent damage from ransomware attacks are to detect and block attacks by monitoring the known behaviors such as frequent name changes, recurring access to cryptographic libraries and exchange keys with remote…

Cryptography and Security · Computer Science 2019-04-11 Jinwoo Ahn , Donggyu Park , Chang-Gyu Lee , Donghyun Min , Junghee Lee , Sungyong Park , Qian Chen , Youngjae Kim

Modern enterprise networks comprise diverse and heterogeneous systems that support a wide range of services, making it challenging for administrators to track and analyze sophisticated attacks such as advanced persistent threats (APTs),…

Cryptography and Security · Computer Science 2025-11-13 Seunghyeon Lee , Hyunmin Seo , Hwanjo Heo , Anduo Wang , Seungwon Shin , Jinwoo Kim

Cryptomining poses significant security risks, yet traditional detection methods like blacklists and Deep Packet Inspection (DPI) are often ineffective against encrypted mining traffic and suffer from high false positive rates. In this…

Cryptography and Security · Computer Science 2026-02-12 Ruisheng Shi , Ziding Lin , Haoran Sun , Qin Wang , Shihan Zhang , Lina Lan , Zhiyuan Peng , Chenfeng Wang

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…

Cryptography and Security · Computer Science 2017-03-21 Julio Hernandez-Castro , Edward Cartwright , Anna Stepanova

Malicious encryption techniques continue to evolve, bypassing conventional detection mechanisms that rely on static signatures or predefined behavioral rules. Spectral analysis presents an alternative approach that transforms system…

Cryptography and Security · Computer Science 2025-03-26 Dominica Ayanara , Atticus Hillingworth , Jonathan Casselbury , Dominic Montague

A popular approach to detect cyberattacks is to monitor systems in real-time to identify malicious activities as they occur. While these solutions aim to detect threats early, minimizing damage, they suffer from a significant challenge due…

Cryptography and Security · Computer Science 2025-04-23 Nikhilesh Singh , Chester Rebeiro

Host-based cryptomining malware, commonly known as cryptojackers, have gained notoriety for their stealth and the significant financial losses they cause in Linux-based cloud environments. Existing solutions often struggle with scalability…

Cryptography and Security · Computer Science 2025-10-22 Gyeonghoon Park , Jaehan Kim , Jinu Choi , Jinwoo Kim