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As command-line interfaces remain integral to high-performance computing environments, the risk of exploitation through stealthy and complex command-line abuse grows. Conventional security solutions struggle to detect these anomalies due to…

Cryptography and Security · Computer Science 2024-12-10 Vaishali Vinay , Anjali Mangal

Ransomware poses a significant threat to individuals and organisations, compelling tools to investigate its behaviour and the effectiveness of mitigations. To answer this need, we present SAFARI, an open-source framework designed for safe…

Cryptography and Security · Computer Science 2025-04-11 Tommaso Compagnucci , Franco Callegati , Saverio Giallorenzo , Andrea Melis , Simone Melloni , Alessandro Vannini

Ransomware defense solutions that can quickly detect and classify different ransomware classes to formulate rapid response plans have been in high demand in recent years. Though the applicability of adopting deep learning techniques to…

Cryptography and Security · Computer Science 2022-04-12 Jinting Zhu , Julian Jang-Jaccard , Amardeep Singh , Ian Welch , Harith AI-Sahaf , Seyit Camtepe

Rootkits are among the most elusive types of malware, capable of bypassing traditional static analysis methods due to their metamorphic behavior. Signature-based detection techniques struggle against these threats, necessitating a shift…

Cryptography and Security · Computer Science 2026-04-28 Paras Ghodeshwar , Sandeep K Shukla , Anand Handa , Nitesh Kumar

Recent statistics show that in 2015 more than 140 millions new malware samples have been found. Among these, a large portion is due to ransomware, the class of malware whose specific goal is to render the victim's system unusable, in…

Cryptography and Security · Computer Science 2016-09-13 Daniele Sgandurra , Luis Muñoz-González , Rabih Mohsen , Emil C. Lupu

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,…

Cryptography and Security · Computer Science 2022-04-01 Avinash Singh , Richard Adeyemi Ikuesan , Hein Venter

Research has proven that end-to-end malware detectors are vulnerable to adversarial attacks. In response, the research community has proposed defenses based on randomized and (de)randomized smoothing. However, these techniques remain…

Cryptography and Security · Computer Science 2025-12-11 Daniel Gibert , Felip Manyà

The threat from ransomware continues to grow both in the number of affected victims as well as the cost incurred by the people and organisations impacted in a successful attack. In the majority of cases, once a victim has been attacked…

Cryptography and Security · Computer Science 2021-06-29 Simon R Davies , Richard Macfarlane , William J Buchanan

The growing sophistication of modern malware and phishing campaigns has diminished the effectiveness of traditional signature-based intrusion detection systems. This work presents SecureScan, an AI-driven, triple-layer detection framework…

Cryptography and Security · Computer Science 2026-04-29 Rumman Firdos , Aman Dangi

Spear Phishing is a harmful cyber-attack facing business and individuals worldwide. Considerable research has been conducted recently into the use of Machine Learning (ML) techniques to detect spear-phishing emails. ML-based solutions may…

Cryptography and Security · Computer Science 2023-01-04 Keelan Evans , Alsharif Abuadbba , Tingmin Wu , Kristen Moore , Mohiuddin Ahmed , Ganna Pogrebna , Surya Nepal , Mike Johnstone

Ransomware detection systems increasingly rely on behavior-based machine learning to address evolving attack strategies. However, emerging privacy compliance, data governance, and responsible AI deployment demand not only accurate detection…

Cryptography and Security · Computer Science 2026-04-21 Jannatul Ferdous , Rafiqul Islam , Md Zahidul Islam

The increasing sophistication of cyber threats has necessitated the development of advanced detection mechanisms capable of identifying malicious activities with high precision and efficiency. A novel approach, termed Autonomous Feature…

Cryptography and Security · Computer Science 2025-03-27 Barnaby Quince , Levi Gareth , Sophie Larkspur , Thaddeus Wobblethorn , Thomas Quibble

Multimodal large language models (MLLMs) have demonstrated strong capabilities in vision-related tasks, capitalizing on their visual semantic comprehension and reasoning capabilities. However, their ability to detect subtle visual spoofing…

Computer Vision and Pattern Recognition · Computer Science 2025-04-22 Yichen Shi , Yuhao Gao , Yingxin Lai , Hongyang Wang , Jun Feng , Lei He , Jun Wan , Changsheng Chen , Zitong Yu , Xiaochun Cao

Ransomware has emerged as one of the major global threats in recent days. The alarming increasing rate of ransomware attacks and new ransomware variants intrigue the researchers in this domain to constantly examine the distinguishing traits…

Cryptography and Security · Computer Science 2022-12-12 Rawshan Ara Mowri , Madhuri Siddula , Kaushik Roy

Spotting encryption loops in binary-only ransomware is a critical reverse engineering task. Since the existence of avalanche effect, an intrinsic characteristic of any secure encryption algorithms, is unavoidable during a victim data…

Cryptography and Security · Computer Science 2026-04-28 Nanqing Luo , Xusheng Li , Haizhou Wang , Shuangyi Zhu , Yuan Ma , Peng Liu

This research recasts ransomware detection using performance monitoring and statistical machine learning. The work builds a test environment with 41 input variables to label and compares three computing states: idle, encryption and…

Cryptography and Security · Computer Science 2021-09-28 David Noever , Samantha Miller Noever

We present a novel evaluation paradigm for AI text detectors that prioritizes real-world and equitable assessment. Current approaches predominantly report conventional metrics like AUROC, overlooking that even modest false positive rates…

Computation and Language · Computer Science 2025-07-22 Navid Ayoobi , Sadat Shahriar , Arjun Mukherjee

De-identification of clinical text remains essential for secondary use of electronic health records (EHRs), yet public benchmarks such as i2b2 2006/2014 are over a decade old and lack the semantic and demographic diversity of modern…

Computation and Language · Computer Science 2026-05-06 Jose D. Posada , David Love , Somalee Datta , Priya Desai

This work focuses on a specific front of the malware detection arms-race, namely the detection of persistent, disk-resident malware. We exploit normalised compression distance (NCD), an information theoretic measure, applied directly to…

Cryptography and Security · Computer Science 2015-02-27 Nadia Alshahwan , Earl T. Barr , David Clark , George Danezis

With the increasing reliance of smart grids on correctly functioning SCADA systems and their vulnerability to cyberattacks, there is a pressing need for effective security measures. SCADA systems are prone to cyberattacks, posing risks to…

Cryptography and Security · Computer Science 2024-02-23 Omer Sen , Tarek Hassan , Andreas Ulbig , Martin Henze