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相关论文: Automatically Dismantling Online Dating Fraud

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Conversational scams, such as romance and investment scams, are emerging as a major form of online fraud. Unlike one-shot scam lures such as fake lottery or unpaid toll messages, they unfold through multi-turn conversations in which…

计算与语言 · 计算机科学 2026-05-13 Weixiang Sun , Shang Ma , Yiyang Li , Tianyi Ma , Zehong Wang , Colby Nelson , Xusheng Xiao , Yanfang Ye

Job-based smishing scams, where victims are recruited under the guise of remote job opportunities, represent a rapidly growing and understudied threat within the broader landscape of online fraud. In this paper, we present Anansi, the first…

密码学与安全 · 计算机科学 2026-03-02 Abisheka Pitumpe , Amir Rahmati

Online dating platforms have fundamentally transformed the formation of romantic relationships, with millions of users worldwide relying on algorithmic matching systems to find compatible partners. However, current recommendation systems in…

信息检索 · 计算机科学 2026-01-29 Madhav Kotecha

Insurance fraud occurs when policyholders file claims that are exaggerated or based on intentional damages. This contribution develops a fraud detection strategy by extracting insightful information from the social network of a claim.…

社会与信息网络 · 计算机科学 2020-09-18 María Óskarsdóttir , Waqas Ahmed , Katrien Antonio , Bart Baesens , Rémi Dendievel , Tom Donas , Tom Reynkens

The extensive use of the internet is continuously drifting businesses to incorporate their services in the online environment. One of the first spectrums to embrace this evolution was the banking sector. In fact, the first known online…

机器学习 · 计算机科学 2020-09-15 Arianit Mehana , Krenare Pireva Nuci

Although the use of pay-per-click mechanisms stimulates the prosperity of the mobile advertisement network, fraudulent ad clicks result in huge financial losses for advertisers. Extensive studies identify click fraud according to…

密码学与安全 · 计算机科学 2021-09-16 Tong Zhu , Yan Meng , Haotian Hu , Xiaokuan Zhang , Minhui Xue , Haojin Zhu

Machine learning has opened up new tools for financial fraud detection. Using a sample of annotated transactions, a machine learning classification algorithm learns to detect frauds. With growing credit card transaction volumes and rising…

机器学习 · 计算机科学 2022-08-26 Gayan K. Kulatilleke

In technical support scams, cybercriminals attempt to convince users that their machines are infected with malware and are in need of their technical support. In this process, the victims are asked to provide scammers with remote access to…

密码学与安全 · 计算机科学 2017-03-21 Najmeh Miramirkhani , Oleksii Starov , Nick Nikiforakis

In this paper, we present an automated feature engineering based approach to dramatically reduce false positives in fraud prediction. False positives plague the fraud prediction industry. It is estimated that only 1 in 5 declared as fraud…

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…

机器学习 · 计算机科学 2024-11-13 Chang Yu , Yongshun Xu , Jin Cao , Ye Zhang , Yinxin Jin , Mengran Zhu

The increasing reliance on smartphones for communication, financial transactions, and personal data management has made them prime targets for cyberattacks, particularly smishing, a sophisticated variant of phishing conducted via SMS.…

密码学与安全 · 计算机科学 2024-12-16 Diksha Goel , Hussain Ahmad , Ankit Kumar Jain , Nikhil Kumar Goel

We introduce the fraud de-anonymization problem, that goes beyond fraud detection, to unmask the human masterminds responsible for posting search rank fraud in online systems. We collect and study search rank fraud data from Upwork, and…

社会与信息网络 · 计算机科学 2018-06-26 Mizanur Rahman , Nestor Hernandez , Bogdan Carbunar , Duen Horng Chau

User authentication and fraud detection face growing challenges as digital systems expand and adversaries adopt increasingly sophisticated tactics. Traditional knowledge-based authentication remains rigid, requiring exact word-for-word…

密码学与安全 · 计算机科学 2026-04-29 Emunah S-S. Chan , Aldar C-F. Chan

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

The increase in global cellphone usage has led to a spike in instant messaging scams, causing extensive socio-economic damage with yearly losses exceeding half a trillion US dollars. These scams pose a challenge to the integrity of justice…

人机交互 · 计算机科学 2024-12-19 Xue Wen Tan , Kenneth See , Stanley Kok

The article proposes an expert system for detection, and subsequent investigation, of groups of collaborating automobile insurance fraudsters. The system is described and examined in great detail, several technical difficulties in detecting…

人工智能 · 计算机科学 2011-04-21 Lovro Šubelj , Štefan Furlan , Marko Bajec

In the field of fraud detection, the availability of comprehensive and privacy-compliant datasets is crucial for advancing machine learning research and developing effective anti-fraud systems. Traditional datasets often focus on…

机器学习 · 计算机科学 2024-04-24 Phoebe Jing , Yijing Gao , Xianlong Zeng

Many online platforms have deployed anti-fraud systems to detect and prevent fraudulent activities. However, there is usually a gap between the time that a user commits a fraudulent action and the time that the user is suspended by the…

机器学习 · 计算机科学 2018-11-15 Panpan Zheng , Shuhan Yuan , Xintao Wu

Online Social Networks (OSNs) play an important role for internet users to carry out their daily activities like content sharing, news reading, posting messages, product reviews and discussing events etc. At the same time, various kinds of…

社会与信息网络 · 计算机科学 2017-05-31 Mudasir Ahmad Wani , Suraiya Jabin

Phishing is an increasingly sophisticated form of cyberattack that is inflicting huge financial damage to corporations throughout the globe while also jeopardizing individuals' privacy. Attackers are constantly devising new methods of…

密码学与安全 · 计算机科学 2024-03-18 Asif Newaz , Farhan Shahriyar Haq , Nadim Ahmed