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Related papers: Detection of ransomware attacks using federated le…

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Federated learning is a learning method for training models over multiple participants without directly sharing their raw data, and it has been expected to be a privacy protection method for training data. In contrast, attack methods have…

Cryptography and Security · Computer Science 2023-08-02 Rei Aso , Sayaka Shiota , Hitoshi Kiya

Insider threats are one of the most damaging risk factors for the IT systems and infrastructure of a company or an organization; identification of insider threats has prompted the interest of the world academic research community, with…

Cryptography and Security · Computer Science 2021-09-07 Vasileios Koutsouvelis , Stavros Shiaeles , Bogdan Ghita , Gueltoum Bendiab

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

Federated learning (FL), as a powerful learning paradigm, trains a shared model by aggregating model updates from distributed clients. However, the decoupling of model learning from local data makes FL highly vulnerable to backdoor attacks,…

Cryptography and Security · Computer Science 2025-03-07 Xiyue Zhang , Xiaoyong Xue , Xiaoning Du , Xiaofei Xie , Yang Liu , Meng Sun

Threats from the internet, particularly malicious software (i.e., malware) often use cryptographic algorithms to disguise their actions and even to take control of a victim's system (as in the case of ransomware). Malware and other threats…

Cryptography and Security · Computer Science 2015-03-05 Diane Duros Hosfelt

Cyber attacks continue to pose significant threats to individuals and organizations, stealing sensitive data such as personally identifiable information, financial information, and login credentials. Hence, detecting malicious websites…

Cryptography and Security · Computer Science 2024-04-16 Saroj Gopali , Akbar S. Namin , Faranak Abri , Keith S. Jones

The incremental diffusion of machine learning algorithms in supporting cybersecurity is creating novel defensive opportunities but also new types of risks. Multiple researches have shown that machine learning methods are vulnerable to…

Cryptography and Security · Computer Science 2021-06-18 Giovanni Apruzzese , Mauro Andreolini , Luca Ferretti , Mirco Marchetti , Michele Colajanni

Digital systems find it challenging to keep up with cybersecurity threats. The daily emergence of more than 560,000 new malware strains poses significant hazards to the digital ecosystem. The traditional malware detection methods fail to…

Cryptography and Security · Computer Science 2025-04-28 Abrar Fahim , Shamik Dey , Md. Nurul Absur , Md Kamrul Siam , Md. Tahmidul Huque , Jafreen Jafor Godhuli

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…

Encryption-based attacks have introduced significant challenges for detection mechanisms that rely on predefined signatures, heuristic indicators, or static rule-based classifications. Probabilistic Latent Encryption Mapping presents an…

Cryptography and Security · Computer Science 2025-03-26 Mohammad Eisa , Quentin Yardley , Rafael Witherspoon , Harriet Pendlebury , Clement Rutherford

Ransomware poses a serious and fast-acting threat to critical systems, often encrypting files within seconds of execution. Research indicates that ransomware is the most reported cybercrime in terms of financial damage, highlighting the…

Cryptography and Security · Computer Science 2026-04-13 Busra Caliskan , Ibrahim Gulatas , H. Hakan Kilinc , A. Halim Zaim

With the increasing extent of malware attacks in the present day along with the difficulty in detecting modern malware, it is necessary to evaluate the effectiveness and performance of Deep Neural Networks (DNNs) for malware classification.…

Cryptography and Security · Computer Science 2023-10-12 Akhil M R , Adithya Krishna V Sharma , Harivardhan Swamy , Pavan A , Ashray Shetty , Anirudh B Sathyanarayana

The agriculture sector is increasingly adopting innovative technologies to meet the growing food demands of the global population. To optimize resource utilization and minimize crop losses, farmers are joining cooperatives to share their…

Cryptography and Security · Computer Science 2024-11-25 Lopamudra Praharaj , Deepti Gupta , Maanak Gupta

Zero-day and ransomware attacks continue to challenge traditional Network Intrusion Detection Systems (NIDS), revealing their limitations in timely threat classification. Despite efforts to reduce false positives and negatives, significant…

Cryptography and Security · Computer Science 2024-08-13 Steven Jabulani Nhlapo , Mike Nkongolo Wa Nkongolo

In the current era of interconnected cyberspace, there is an adverse effect of ransomware on individuals, startups, and large companies. Cybercriminals hold digital assets till the demand for payment is made. The success of ransomware…

Cryptography and Security · Computer Science 2026-01-21 Sharmila S P

Among many prevailing malware, crypto-ransomware poses a significant threat as it financially extorts affected users by creating denial of access via unauthorized encryption of their documents as well as holding their documents hostage and…

Cryptography and Security · Computer Science 2020-11-25 Nitin Pundir , Mark Tehranipoor , Fahim Rahman

Ransomware, a type of malicious software that encrypts a victim's files and only releases the cryptographic key once a ransom is paid, has emerged as a potentially devastating class of cybercrimes in the past few years. In this paper, we…

Cryptography and Security · Computer Science 2018-03-06 Florian Quinkert , Thorsten Holz , KSM Tozammel Hossain , Emilio Ferrara , Kristina Lerman

This paper investigates the piracy problem of deep learning models. Designing and training a well-performing model is generally expensive. However, when releasing them, attackers may reverse engineer the models and pirate their design. This…

Cryptography and Security · Computer Science 2018-06-28 Hui Xu , Yuxin Su , Zirui Zhao , Yangfan Zhou , Michael R. Lyu , Irwin King

Android, being the most widespread mobile operating systems is increasingly becoming a target for malware. Malicious apps designed to turn mobile devices into bots that may form part of a larger botnet have become quite common, thus posing…

Cryptography and Security · Computer Science 2020-07-02 Suleiman Y. Yerima , Mohammed K. Alzaylaee

In this digital era, our lives highly depend on the internet and worldwide technology. Wide usage of technology and platforms of communication makes our lives better and easier. But on the other side it carries out some security issues and…

Cryptography and Security · Computer Science 2024-04-18 Muhammad Shoaib Farooq , Hina jabbar