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Machine learning algorithms are effective in several applications, but they are not as much successful when applied to intrusion detection in cyber security. Due to the high sensitivity to their training data, cyber detectors based on…

Cryptography and Security · Computer Science 2021-06-15 Giovanni Apruzzese , Mauro Andreolini , Michele Colajanni , Mirco Marchetti

We present a novel framework for kernel learning with sequential data of any kind, such as time series, sequences of graphs, or strings. Our approach is based on signature features which can be seen as an ordered variant of sample…

Machine Learning · Statistics 2016-02-01 Franz J Király , Harald Oberhauser

The power grid is a critical infrastructure essential for public safety and welfare. As its reliance on digital technologies grows, so do its vulnerabilities to sophisticated cyber threats, which could severely disrupt operations. Effective…

Cryptography and Security · Computer Science 2024-12-10 Omer Sen , Bozhidar Ivanov , Christian Kloos , Christoph Zol_ , Philipp Lutat , Martin Henze , Andreas Ulbig

In today's digital world most of the anti-malware tools are signature based which is ineffective to detect advanced unknown malware viz. metamorphic malware. In this paper, we study the frequency of opcode occurrence to detect unknown…

Cryptography and Security · Computer Science 2019-03-08 Sanjay Sharma , C. Rama Krishna , Sanjay K. Sahay

This technical report presents a comprehensive analysis of malware classification using OpCode sequences. Two distinct approaches are evaluated: traditional machine learning using n-gram analysis with Support Vector Machine (SVM), K-Nearest…

Cryptography and Security · Computer Science 2025-04-21 Varij Saini , Rudraksh Gupta , Neel Soni

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

In the faceless world of the Internet,online fraud is one of the greatest reasons of loss for web merchants.Advanced solutions are needed to protect e businesses from the constant problems of fraud.Many popular fraud detection algorithms…

Networking and Internet Architecture · Computer Science 2010-06-15 P. Srinivasulu , J. Ranga Rao , I. Ramesh Babu

Machine learning is gaining popularity in the network security domain as many more network-enabled devices get connected, as malicious activities become stealthier, and as new technologies like Software Defined Networking emerge.…

Cryptography and Security · Computer Science 2018-04-10 Tam N. Nguyen

Distributed Denial of Service (DDoS) attacks are getting increasingly harmful to the Internet, showing no signs of slowing down. Developing an accurate detection mechanism to thwart DDoS attacks is still a big challenge due to the rich…

Cryptography and Security · Computer Science 2024-05-14 Raja Giryes , Lior Shafir , Avishai Wool

Most existing Secure Multi-Party Computation (MPC) protocols for privacy-preserving training of decision trees over distributed data assume that the features are categorical. In real-life applications, features are often numerical. The…

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

Cybercrime has grown exponentially in both scale and sophistication, posing significant threats. As attack methods evolve rapidly, traditional classification schemes often fail to capture the complexity and diversity of modern threats. To…

Cryptography and Security · Computer Science 2026-05-19 Melissa Pappy , Linh Nguyen , Suman Kumar , Byungkwan Jung , Bernard Chen

Data collection at a massive scale is becoming ubiquitous in a wide variety of settings, from vast offline databases to streaming real-time information. Learning algorithms deployed in such contexts must rely on single-pass inference, where…

Methodology · Statistics 2012-01-27 Christoforos Anagnostopoulos , Robert B. Gramacy

Attack Trees are a graphical model of security used to study threat scenarios. While visually appealing and supported by solid theories and effective tools, one of their main drawbacks remains the amount of effort required by security…

Cryptography and Security · Computer Science 2024-09-13 Alyzia-Maria Konsta , Gemma Di Federico , Alberto Lluch Lafuente , Andrea Burattin

We propose a novel solution combining supervised and unsupervised machine learning models for intrusion detection at kernel level in cloud containers. In particular, the proposed solution is built over an ensemble of random and isolation…

Cryptography and Security · Computer Science 2023-06-27 Alfonso Iacovazzi , Shahid Raza

As businesses increasingly adopt cloud technologies, they also need to be aware of new security challenges, such as server-side script attacks, to ensure the integrity of their systems and data. These scripts can steal data, compromise…

Cryptography and Security · Computer Science 2024-11-14 Ecenaz Erdemir , Kyuhong Park , Michael J. Morais , Vianne R. Gao , Marion Marschalek , Yi Fan

Machine Learning (ML)-based detectors are becoming essential to counter the proliferation of malware. However, common ML algorithms are not designed to cope with the dynamic nature of real-world settings, where both legitimate and malicious…

In today's rapidly evolving technological landscape and advanced software development, the rise in cyber security attacks has become a pressing concern. The integration of robust cyber security defenses has become essential across all…

Software Engineering · Computer Science 2023-11-02 Mounika Vanamala , Keith Bryant , Alex Caravella

The emerging wide area monitoring systems (WAMS) have brought significant improvements in electric grids' situational awareness. However, the newly introduced system can potentially increase the risk of cyber-attacks, which may be disguised…

Cryptography and Security · Computer Science 2021-08-26 Gabriel Intriago , Yu Zhang

Improvements in diffusion models have boosted the quality of image generation, which has led researchers, companies, and creators to focus on improving watermarking algorithms. This provision would make it possible to clearly identify the…

Machine Learning · Computer Science 2024-08-19 Alexander Varlamov , Daria Diatlova , Egor Spirin