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Cybersecurity risk analysis plays an essential role in supporting organizations make effective decision about how to manage and control cybersecurity risk. Cybersecurity risk is a function of the interplay between the defender, i.e., the…

Computer Science and Game Theory · Computer Science 2021-06-02 Jiali Wang , Martin Neil

Cyber threats affect all kinds of organisations. Risk analysis is an essential methodology for cybersecurity as it allows organisations to deal with the cyber threats potentially affecting them, prioritise the defence of their assets and…

Cryptography and Security · Computer Science 2019-03-20 David Rios Insua , Aitor Couce Vieira , Jose Antonio Rubio , Wolter Pieters , Katsiaryna Labunets , Daniel Garcia Rasines

Cyber-physical control systems are critical infrastructures designed around highly responsive feedback loops that are measured and manipulated by hundreds of sensors and controllers. Anomalous data, such as from cyber-attacks, greatly risk…

Quantum Physics · Physics 2024-09-10 Tyler Cultice , Md. Saif Hassan Onim , Annarita Giani , Himanshu Thapliyal

In an era where data underpins decision-making across science, politics, and economics, ensuring high data quality is of paramount importance. Conventional computing algorithms for enhancing data quality, including anomaly detection, demand…

Quantum Physics · Physics 2025-12-02 Sven Groppe , Valter Uotila , Jinghua Groppe

In recent times, neural networks have become a powerful tool for the analysis of complex and abstract data models. However, their introduction intrinsically increases our uncertainty about which features of the analysis are model-related…

Machine Learning · Statistics 2020-11-09 Tom Charnock , Laurence Perreault-Levasseur , François Lanusse

The number of cyber attacks has increased tremendously in the last few years. This resulted into both human and financial losses at the individual and organization levels. Recently, cyber-criminals are leveraging new skills and capabilities…

Cryptography and Security · Computer Science 2021-04-01 Jean-Paul A. Yaacoub , Hassan N. Noura , Ola Salman , Ali Chehab

In today's digital age, cyberspace has become integral to daily life, however it has also led to an increase in cybercriminal activities. This paper explores cybercrime trends and highlights the need for cybercrime awareness…

Cryptography and Security · Computer Science 2024-10-15 S. Tamang , G. S. Chandana , B. K. Roy

The explosive growth of cyber attacks nowadays, such as malware, spam, and intrusions, caused severe consequences on society. Securing cyberspace has become an utmost concern for organizations and governments. Traditional Machine Learning…

Cryptography and Security · Computer Science 2024-02-20 Bo Yan , Cheng Yang , Chuan Shi , Yong Fang , Qi Li , Yanfang Ye , Junping Du

In modern world the importance of cybersecurity of various systems is increasing from year to year. The number of information security events generated by information security tools grows up with the development of the IT infrastructure. At…

Cryptography and Security · Computer Science 2025-06-17 Evgeniy Eremin

This paper presents a tutorial for network anomaly detection, focusing on non-signature-based approaches. Network traffic anomalies are unusual and significant changes in the traffic of a network. Networks play an important role in today's…

Cryptography and Security · Computer Science 2014-02-05 Hong Huang , Hussein Al-Azzawi , Hajar Brani

Anomaly detection is a crucial task in machine learning that involves identifying unusual patterns or events in data. It has numerous applications in various domains such as finance, healthcare, and cybersecurity. With the advent of quantum…

Quantum Physics · Physics 2023-11-07 Julien Mellaerts

With computing now ubiquitous across government, industry, and education, cybersecurity has become a critical component for every organization on the planet. Due to this ubiquity of computing, cyber threats have continued to grow year over…

Cryptography and Security · Computer Science 2024-12-03 Erick Galinkin , Emmanouil Pountrourakis , Spiros Mancoridis

The number of people accessing online services is increasing day by day, and with new users, comes a greater need for effective and responsive cyber-security. Our goal in this study was to find out if there are common patterns within the…

Cryptography and Security · Computer Science 2024-05-15 Gábor Antal , Balázs Mosolygó , Norbert Vándor , Péter Hegedüs

Anomaly detection methods can be very useful in identifying interesting or concerning events. In this work, we develop and examine new probabilistic anomaly detection methods that let us evaluate management decisions for a specific patient…

Machine Learning · Computer Science 2026-05-07 Milos Hauskrecht , Michal Valko , Branislav Kveton , Shyam Visweswaran , Gregory Cooper

Botnets (networks of compromised computers) are often used for malicious activities such as spam, click fraud, identity theft, phishing, and distributed denial of service (DDoS) attacks. Most of previous researches have introduced fully or…

Cryptography and Security · Computer Science 2018-11-05 Sajjad Arshad , Maghsoud Abbaspour , Mehdi Kharrazi , Hooman Sanatkar

Anomaly detection is a method for discovering unusual and suspicious behavior. In many real-world scenarios, the examined events can be directly linked to the actions of an adversary, such as attacks on computer networks or frauds in…

Machine Learning · Computer Science 2020-04-23 Olga Petrova , Karel Durkota , Galina Alperovich , Karel Horak , Michal Najman , Branislav Bosansky , Viliam Lisy

In today's digitally interconnected world, cybersecurity threats have reached unprecedented levels, presenting a pressing concern for individuals, organizations, and governments. This study employs a qualitative research approach to…

Cryptography and Security · Computer Science 2024-01-02 Daksh Dave , Gauransh Sawhney , Pushkar Aggarwal , Nitish Silswal , Dhruv Khut

Learning the network structure of a large graph is computationally demanding, and dynamically monitoring the network over time for any changes in structure threatens to be more challenging still. This paper presents a two-stage method for…

Applications · Statistics 2010-11-09 Nicholas A. Heard , David J. Weston , Kiriaki Platanioti , David J. Hand

Stealing attack against controlled information, along with the increasing number of information leakage incidents, has become an emerging cyber security threat in recent years. Due to the booming development and deployment of advanced…

Cryptography and Security · Computer Science 2021-11-16 Yuantian Miao , Chao Chen , Lei Pan , Qing-Long Han , Jun Zhang , Yang Xiang

As the amount of cyber data continues to grow, cyber network defenders are faced with increasing amounts of data they must analyze to ensure the security of their networks. In addition, new types of attacks are constantly being created and…

Cryptography and Security · Computer Science 2018-09-03 Bartley D. Richardson , Benjamin J. Radford , Shawn E. Davis , Keegan Hines , David Pekarek