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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

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…

Cryptography and Security · Computer Science 2022-11-29 Benjamin Marais , Tony Quertier , Stéphane Morucci

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

The increasing sophistication of encryption-based ransomware has demanded innovative approaches to detection and mitigation, prompting the development of a hierarchical framework grounded in probabilistic cryptographic analysis. By focusing…

Cryptography and Security · Computer Science 2025-08-11 Kevin Pekepok , Persephone Kirkwood , Esme Christopolous , Florence Braithwaite , Oliver Nightingale

Ransomware, a fearsome and rapidly evolving cybersecurity threat, continues to inflict severe consequences on individuals and organizations worldwide. Traditional detection methods, reliant on static signatures and application behavioral…

Cryptography and Security · Computer Science 2024-06-13 Dionysios Diamantopoulos , Roman Pletka , Slavisa Sarafijanovic , A. L. Narasimha Reddy , Haris Pozidis

Organizations use data lakes to store and analyze sensitive data. But hackers may compromise data lake storage to bypass access controls and access sensitive data. To address this, we propose Membrane, a system that (1) cryptographically…

Cryptography and Security · Computer Science 2025-09-11 Sam Kumar , Samyukta Yagati , Conor Power , David E. Culler , Raluca Ada Popa

DNS dynamic updates represent an inherently vulnerable mechanism deliberately granting the potential for any host to dynamically modify DNS zone files. Consequently, this feature exposes domains to various security risks such as domain…

Cryptography and Security · Computer Science 2024-06-06 Yevheniya Nosyk , Maciej Korczyński , Carlos H. Gañán , Michał Król , Qasim Lone , Andrzej Duda

In this work, we propose a two-phased approach for real-time detection and deterrence of ransomware. To achieve this, we leverage the capabilities of eBPF (Extended Berkeley Packet Filter) and artificial intelligence to develop both…

Cryptography and Security · Computer Science 2024-06-21 Arjun Sekar , Sameer G. Kulkarni , Joy Kuri

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

This study introduces ROFBS$\alpha$, a new defense architecture that addresses delays in detection in ransomware detectors based on machine learning. It builds on our earlier Real Time Open File Backup System, ROFBS, by adopting an…

Cryptography and Security · Computer Science 2025-04-22 Kosuke Higuchi , Ryotaro Kobayashi

Ransomware attacks are among the most severe cyber threats. They have made headlines in recent years by threatening the operation of governments, critical infrastructure, and corporations. Collecting and analyzing ransomware data is an…

Cryptography and Security · Computer Science 2022-05-11 Kris Oosthoek , Jack Cable , Georgios Smaragdakis

Among the many types of malicious codes, ransomware poses a major threat. Ransomware encrypts data and demands a ransom in exchange for decryption. As data recovery is impossible if the encryption key is not obtained, some companies suffer…

Cryptography and Security · Computer Science 2022-02-18 Giyoon Kim , Soram Kim , Soojin Kang , Jongsung Kim

Ransomware can prevent a user from accessing a device and its files until a ransom is paid to the attacker, most frequently in Bitcoin. With over 500 known ransomware families, it has become one of the dominant cybercrime threats for law…

Cryptography and Security · Computer Science 2018-04-12 Masarah Paquet-Clouston , Bernhard Haslhofer , Benoit Dupont

Encryption-based cyber threats continue to evolve, employing increasingly sophisticated techniques to bypass traditional detection mechanisms. Many existing classification strategies depend on static rule sets, signature-based matching, or…

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…

Systems and Control · Electrical Eng. & Systems 2021-04-16 Manoj Basnet , Subash Poudyal , Mohd. Hasan Ali , Dipankar Dasgupta

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…

Cryptography and Security · Computer Science 2016-03-29 Akashdeep Bhardwaj , G. V. B. Subrahmanyam , Vinay Avasthi , Hanumat Sastry

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

Distributed denial of service (DDoS) attacks are a constant threat for services in the Internet. This year, the record for the largest DDoS attack ever observed was set at 1.7 Tbps. Meanwhile, detection and mitigation mechanisms are still…

Cryptography and Security · Computer Science 2018-08-17 Thomas Lukaseder , Shreya Ghosh , Frank Kargl

Denial-of-Service (DoS) attacks are one of the most common and consequential cyber attacks in computer networks. While existing research offers a plethora of detection methods, the issue of achieving both scalability and high detection…

Cryptography and Security · Computer Science 2023-12-05 Omer Subasi , Joseph Manzano , Kevin Barker

Blockchain networks are critical for safeguarding digital transactions and assets, but they are increasingly targeted by ransomware attacks exploiting zero-day vulnerabilities. Traditional detection techniques struggle due to the complexity…

Cryptography and Security · Computer Science 2024-07-25 Elodie Ngoie Mutombo , Mike Wa Nkongolo