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In the finance sector, studies focused on anomaly detection are often associated with time-series and transactional data analytics. In this paper, we lay out the opportunities for applying anomaly and deviation detection methods to text…

Computation and Language · Computer Science 2019-08-27 Armineh Nourbakhsh , Grace Bang

The accelerated development of social media websites has posed intricate security issues in cyberspace, where these sites have increasingly become victims of criminal activities including attempts to intrude into them, abnormal traffic…

Machine Learning · Computer Science 2026-01-07 Aditi Sanjay Agrawal

With the proliferation of various online and mobile payment systems, credit card fraud has emerged as a significant threat to financial security. This study focuses on innovative applications of the latest Transformer models for more robust…

Machine Learning · Computer Science 2024-11-13 Chang Yu , Yongshun Xu , Jin Cao , Ye Zhang , Yinxin Jin , Mengran Zhu

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 increasing scale and complexity of global supply chains have led to new challenges spanning various fields, such as supply chain disruptions due to long waiting lines at the ports, material shortages, and inflation. Coupled with the…

Machine Learning · Computer Science 2025-07-24 Haibo Wang , Lutfu S. Sua , Bahram Alidaee

In the era of the digitally driven economy, where there has been an exponential surge in digital payment systems and other online activities, various forms of fraudulent activities have accompanied the digital growth, out of which credit…

Machine Learning · Computer Science 2025-09-23 Ganesh Khekare , Shivam Sunda , Yash Bothra

Detecting fraud in financial transactions typically relies on tabular models that demand heavy feature engineering to handle high-dimensional data and offer limited interpretability, making it difficult for humans to understand predictions.…

Machine Learning · Computer Science 2026-04-10 Xuwei Tan , Yao Ma , Xueru Zhang

Organizations rely heavily on time series metrics to measure and model key aspects of operational and business performance. The ability to reliably detect issues with these metrics is imperative to identifying early indicators of major…

Machine Learning · Computer Science 2020-11-11 Sayan Chakraborty , Smit Shah , Kiumars Soltani , Anna Swigart , Luyao Yang , Kyle Buckingham

Social financial technology focuses on trust, sustainability, and social responsibility, which require advanced technologies to address complex financial tasks in the digital era. With the rapid growth in online transactions, automating…

In recent years, financial fraud detection systems have become very efficient at detecting fraud, which is a major threat faced by e-commerce platforms. Such systems often include machine learning-based algorithms aimed at detecting and…

Cryptography and Security · Computer Science 2023-12-05 Chen Doytshman , Satoru Momiyama , Inderjeet Singh , Yuval Elovici , Asaf Shabtai

The automatic detection of frauds in banking transactions has been recently studied as a way to help the analysts finding fraudulent operations. Due to the availability of a human feedback, this task has been studied in the framework of…

Machine Learning · Computer Science 2020-04-24 Christelle Marfaing , Alexandre Garcia

Tracking financial investments in climate adaptation is a complex and expertise-intensive task, particularly for Early Warning Systems (EWS), which lack standardized financial reporting across multilateral development banks (MDBs) and…

Computation and Language · Computer Science 2025-05-29 Saeid Ario Vaghefi , Aymane Hachcham , Veronica Grasso , Jiska Manicus , Nakiete Msemo , Chiara Colesanti Senni , Markus Leippold

With the rapid development of multi-cloud environments, it is increasingly important to ensure the security and reliability of intelligent monitoring systems. In this paper, we propose an anomaly detection and early warning mechanism for…

Machine Learning · Computer Science 2025-06-10 Yihong Jin , Ze Yang , Juntian Liu , Xinhe Xu

In the age of the Internet, people's lives are increasingly dependent on today's network technology. Maintaining network integrity and protecting the legitimate interests of users is at the heart of network construction. Threat detection is…

Cryptography and Security · Computer Science 2024-02-20 Yulu Gong , Mengran Zhu , Shuning Huo , Yafei Xiang , Hanyi Yu

This research presents a comprehensive framework for analyzing liquidity in financial markets, particularly in the context of high-frequency trading. By leveraging advanced machine learning classification techniques, including Logistic…

Trading and Market Microstructure · Quantitative Finance 2024-08-20 Sid Bhatia , Sidharth Peri , Sam Friedman , Michelle Malen

Machine Learning (ML) techniques are becoming an invaluable support for network intrusion detection, especially in revealing anomalous flows, which often hide cyber-threats. Typically, ML algorithms are exploited to classify/recognize data…

Cryptography and Security · Computer Science 2021-04-13 Mario Di Mauro , Giovanni Galatro , Giancarlo Fortino , Antonio Liotta

This study investigates the efficacy of machine learning models in network security threat detection through the critical lens of partial versus complete flow information, addressing a common gap between research settings and real-time…

Machine Learning · Computer Science 2025-07-01 Adrian Pekar , Richard Jozsa

With the explosive growth of e-commerce, online transaction fraud has become one of the biggest challenges for e-commerce platforms. The historical behaviors of users provide rich information for digging into the users' fraud risk. While…

Machine Learning · Computer Science 2021-05-21 Dongbo Xi , Bowen Song , Fuzhen Zhuang , Yongchun Zhu , Shuai Chen , Tianyi Zhang , Yuan Qi , Qing He

Banks hold a societal responsibility and regulatory requirements to mitigate the risk of financial crimes. Risk mitigation primarily happens through monitoring customer activity through Transaction Monitoring (TM). Recently, Machine…

Human-Computer Interaction · Computer Science 2022-12-29 Julie Gerlings , Ioanna Constantiou

This study addresses the problem of dynamic anomaly detection in accounting transactions and proposes a real-time detection method based on a Transformer to tackle the challenges of hidden abnormal behaviors and high timeliness requirements…

Machine Learning · Computer Science 2025-11-18 Yi Wang , Ruoyi Fang , Anzhuo Xie , Hanrui Feng , Jianlin Lai