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The challenge in engaging malware activities involves the correct identification and classification of different malware variants. Various malwares incorporate code obfuscation methods that alters their code signatures effectively…

Cryptography and Security · Computer Science 2016-09-27 Felan Carlo C. Garcia , Felix P. Muga

Cybersecurity solutions have shown promising performance when detecting ransomware samples that use fixed algorithms and encryption rates. However, due to the current explosion of Artificial Intelligence (AI), sooner than later, ransomware…

The damage caused by crypto-ransomware, due to encryption, is difficult to revert and cause data losses. In this paper, a machine learning (ML) classifier was built to early detect ransomware (called crypto-ransomware) that uses…

Cryptography and Security · Computer Science 2020-03-17 Chih-Yuan Yang , Ravi Sahita

Ransomware presents a significant and increasing threat to individuals and organizations by encrypting their systems and not releasing them until a large fee has been extracted. To bolster preparedness against potential attacks,…

Research shows that over the last decade, malware has been growing exponentially, causing substantial financial losses to various organizations. Different anti-malware companies have been proposing solutions to defend attacks from these…

Cryptography and Security · Computer Science 2019-04-05 Hemant Rathore , Swati Agarwal , Sanjay K. Sahay , Mohit Sewak

Malicious software is an integral part of cybercrime defense. Due to the growing number of malicious attacks and their target sources, detecting and preventing the attack becomes more challenging due to the assault's changing behavior. The…

Cryptography and Security · Computer Science 2023-08-10 Mohammad Aziz , Ali Saeed Alfoudi

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

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

Ransomware has remained one of the most notorious threats in the cybersecurity field. Moving Target Defense (MTD) has been proposed as a novel paradigm for proactive defense. Although various approaches leverage MTD, few of them rely on the…

Cryptography and Security · Computer Science 2023-11-17 Jan von der Assen , Alberto Huertas Celdrán , Rinor Sefa , Gérôme Bovet , Burkhard Stiller

The current pandemic situation has increased cyber-attacks drastically worldwide. The attackers are using malware like trojans, spyware, rootkits, worms, ransomware heavily. Ransomware is the most notorious malware, yet we did not have any…

Cryptography and Security · Computer Science 2022-06-07 Nanda Rani , Sunita Vikrant Dhavale

Machine learning models have been widely used in security applications such as intrusion detection, spam filtering, and virus or malware detection. However, it is well-known that adversaries are always trying to adapt their attacks to evade…

Cryptography and Security · Computer Science 2018-08-13 Fan Yang , Zhiyuan Chen

The continued evolution and diversity of malware constitutes a major threat in modern systems. It is well proven that security defenses currently available are ineffective to mitigate the skills and imagination of cyber-criminals…

Cryptography and Security · Computer Science 2019-04-02 Irina Baptista , Stavros Shiaeles , Nicholas Kolokotronis

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

Data privacy concerns often prevent the use of cloud-based machine learning services for sensitive personal data. While homomorphic encryption (HE) offers a potential solution by enabling computations on encrypted data, the challenge is to…

Cryptography and Security · Computer Science 2021-03-08 Kanthi Sarpatwar , Karthik Nandakumar , Nalini Ratha , James Rayfield , Karthikeyan Shanmugam , Sharath Pankanti , Roman Vaculin

The aim of this study is to propose and evaluate an advanced ransomware detection and classification method that combines a Stacked Autoencoder (SAE) for precise feature selection with a Long Short Term Memory (LSTM) classifier to enhance…

Machine Learning · Computer Science 2024-04-24 Mike Nkongolo , Mahmut Tokmak

Malicious software is abundant in a world of innumerable computer users, who are constantly faced with these threats from various sources like the internet, local networks and portable drives. Malware is potentially low to high risk and can…

Cryptography and Security · Computer Science 2012-05-15 Priyank Singhal , Nataasha Raul

Security operation centers (SOCs) typically use a variety of tools to collect large volumes of host logs for detection and forensic of intrusions. Our experience, supported by recent user studies on SOC operators, indicates that operators…

Cryptography and Security · Computer Science 2019-10-16 Qian Chen , Sheikh Rabiul Islam , Henry Haswell , Robert A. Bridges

In this paper, we present a general scheme for building reproducible and extensible datasets for website phishing detection. The aim is to (1) enable comparison of systems using different features, (2) overtake the short-lived nature of…

Cryptography and Security · Computer Science 2024-04-24 Abdelhakim Hannousse , Salima Yahiouche

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

Encryption-based cyber threats continue to evolve, leveraging increasingly sophisticated cryptographic techniques to evade detection and persist within compromised systems. A hierarchical classification framework designed to analyze…

Cryptography and Security · Computer Science 2025-08-11 Dominic Abernethy , Nathaniel Weatherstone , Tristan Ravensdale , Lafedi Svet