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As the world is rapidly moving towards digitization and money transactions are becoming cashless, the use of credit cards has rapidly increased. The fraud activities associated with it have also been increasing which leads to a huge loss to…

人工智能 · 计算机科学 2021-08-24 Pooja Tiwari , Simran Mehta , Nishtha Sakhuja , Jitendra Kumar , Ashutosh Kumar Singh

Human trafficking is among the most challenging law enforcement problems which demands persistent fight against from all over the globe. In this study, we leverage readily available data from the website "Backpage"-- used for classified…

机器学习 · 计算机科学 2016-08-03 Hamidreza Alvari , Paulo Shakarian , J. E. Kelly Snyder

Cryptocurrencies are considered relevant assets and they are currently used as an investment or to carry out transactions. However, specific characteristics commonly associated with the cryptocurrencies such as irreversibility,…

密码学与安全 · 计算机科学 2023-11-30 Hugo Almeida , Pedro Pinto , Ana Fernández Vilas

This paper aims to categorize bank transactions using weak supervision, natural language processing, and deep neural network techniques. Our approach minimizes the reliance on expensive and difficult-to-obtain manual annotations by…

机器学习 · 计算机科学 2023-06-13 Liam Toran , Cory Van Der Walt , Alan Sammarone , Alex Keller

Money laundering poses severe risks to global financial systems, driving the widespread adoption of machine learning for transaction monitoring. However, progress remains stifled by the lack of realistic benchmarks. Existing…

Malware classification is a difficult problem, to which machine learning methods have been applied for decades. Yet progress has often been slow, in part due to a number of unique difficulties with the task that occur through all stages of…

密码学与安全 · 计算机科学 2020-11-17 Edward Raff , Charles Nicholas

With the rapid growth of malware attacks, more antivirus developers consider deploying machine learning technologies into their productions. Researchers and developers published various machine learning-based detectors with high precision…

密码学与安全 · 计算机科学 2021-12-07 Matthew Crawford , Wei Wang , Ruoxi Sun , Minhui Xue

Malwares are continuously growing in sophistication and numbers. Over the last decade, remarkable progress has been achieved in anti-malware mechanisms. However, several pressing issues (e.g., unknown malware samples detection) still need…

密码学与安全 · 计算机科学 2021-01-22 Zahid Akhtar

The paper examines the potential of deep learning to support decisions in financial risk management. We develop a deep learning model for predicting whether individual spread traders secure profits from future trades. This task embodies…

Bitcoin is by far the most popular crypto-currency solution enabling peer-to-peer payments. Despite some studies highlighting the network does not provide full anonymity, it is still being heavily used for a wide variety of dubious…

社会与信息网络 · 计算机科学 2019-12-30 Yining Hu , Suranga Seneviratne , Kanchana Thilakarathna , Kensuke Fukuda , Aruna Seneviratne

In an era of escalating cyber threats, malware poses significant risks to individuals and organizations, potentially leading to data breaches, system failures, and substantial financial losses. This study addresses the urgent need for…

密码学与安全 · 计算机科学 2025-01-28 Marzieh Esnaashari , Nima Moradi

The digitalization of credit scoring has become essential for financial institutions and commercial banks, especially in the era of digital transformation. Machine learning techniques are commonly used to evaluate customers'…

机器学习 · 计算机科学 2026-03-06 Huyen Giang Thi Thu , Thang Viet Doan , Ha-Bang Ban , Tai Le Quy

The rise of Web3 and Decentralized Finance (DeFi) has enabled borderless access to financial services empowered by smart contracts and blockchain technology. However, the ecosystem's trustless, permissionless, and borderless nature presents…

密码学与安全 · 计算机科学 2025-09-29 Hesam Sarkhosh , Uzma Maroof , Diogo Barradas

Background: Cyber offences, such as hacking, malware creation and distribution, and online fraud, present a substantial threat to organizations attempting to safeguard their data and information. By understanding the evolving…

密码学与安全 · 计算机科学 2022-03-29 Claudia Peersman , Emma Williams , Matthew Edwards , Awais Rashid

Banking fraud causes billion-dollar losses for banks worldwide. In fraud detection, graphs help understand complex transaction patterns and discovering new fraud schemes. This work explores graph patterns in a real-world transaction dataset…

社会与信息网络 · 计算机科学 2021-08-11 Xavier Fontes , David Aparício , Maria Inês Silva , Beatriz Malveiro , João Tiago Ascensão , Pedro Bizarro

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…

密码学与安全 · 计算机科学 2023-12-05 Chen Doytshman , Satoru Momiyama , Inderjeet Singh , Yuval Elovici , Asaf Shabtai

Credit card fraud detection is a very challenging problem because of the specific nature of transaction data and the labeling process. The transaction data is peculiar because they are obtained in a streaming fashion, they are strongly…

机器学习 · 计算机科学 2018-04-23 Fabirzio Carcillo , Yann-Aël Le Borgne , Olivier Caelen , Gianluca Bontempi

One of the major and serious threats that the Internet faces today is the vast amounts of data and files which need to be evaluated for potential malicious intent. Malicious software, often referred to as a malware that are designed by…

密码学与安全 · 计算机科学 2020-07-01 Sajedul Talukder

Although machine learning is widely used in practice, little is known about practitioners' understanding of potential security challenges. In this work, we close this substantial gap and contribute a qualitative study focusing on…

密码学与安全 · 计算机科学 2022-06-30 Lukas Bieringer , Kathrin Grosse , Michael Backes , Battista Biggio , Katharina Krombholz

We use machine learning techniques to investigate whether it is possible to replicate the behavior of bank managers who assess the risk of commercial loans made by a large commercial US bank. Even though a typical bank already relies on an…

计量经济学 · 经济学 2022-02-10 Matthew Harding , Gabriel F. R. Vasconcelos