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In recent years, Cyber attacks have increased in number, and with them, the intensity of the attacks and their potential to damage the user have also increased significantly. In an ever-advancing world, users find it difficult to keep up…

Cryptography and Security · Computer Science 2024-11-22 Latesh G. Malik , Rohini Shambharkar , Shivam Morey , Shubhlak Kanpate , Vedika Raut

Large language models (LLMs) can "lie", which we define as outputting false statements despite "knowing" the truth in a demonstrable sense. LLMs might "lie", for example, when instructed to output misinformation. Here, we develop a simple…

Computation and Language · Computer Science 2023-09-28 Lorenzo Pacchiardi , Alex J. Chan , Sören Mindermann , Ilan Moscovitz , Alexa Y. Pan , Yarin Gal , Owain Evans , Jan Brauner

Detecting fake interactions in digital communication platforms remains a challenging and insufficiently addressed problem. These interactions may appear as harmless spam or escalate into sophisticated scam attempts, making it difficult to…

Computation and Language · Computer Science 2025-05-14 Ali Senol , Garima Agrawal , Huan Liu

With the increase of credit card usage, the volume of credit card misuse also has significantly increased. As a result, financial organizations are working hard on developing and deploying credit card fraud detection methods, in order to…

Machine Learning · Computer Science 2019-12-09 Niloofar Yousefi , Marie Alaghband , Ivan Garibay

The proliferation of digital payment platforms has transformed commerce, offering unmatched convenience and accessibility globally. However, this growth has also attracted malicious actors, leading to a corresponding increase in…

Artificial Intelligence · Computer Science 2026-05-04 Nitish Jaipuria , Lorenzo Gatto , Zijun Kan , Shankey Poddar , Bill Cheung , Diksha Bansal , Ramanan Balakrishnan , Aviral Suri , Jose Estevez

The increasing deployment of large language models (LLMs) in the cybersecurity domain underscores the need for effective model selection and evaluation. However, traditional evaluation methods often overlook specific cybersecurity knowledge…

Cryptography and Security · Computer Science 2025-04-17 Dawei Wang , Geng Zhou , Xianglong Li , Yu Bai , Li Chen , Ting Qin , Jian Sun , Dan Li

Scammers are increasingly harnessing generative AI(GenAI) technologies to produce convincing phishing content at scale, amplifying financial fraud and undermining public trust. While conventional defenses, such as detection algorithms, user…

Cryptography and Security · Computer Science 2025-09-11 Hossein Siadati , Haadi Jafarian , Sima Jafarikhah

The effectiveness of Large Language Models (LLMs) significantly relies on the quality of the prompts they receive. However, even when processing identical prompts, LLMs can yield varying outcomes due to differences in their training…

Computation and Language · Computer Science 2025-03-04 Fouad Trad , Ali Chehab

The dark face of digital commerce generalization is the increase of fraud attempts. To prevent any type of attacks, state-of-the-art fraud detection systems are now embedding Machine Learning (ML) modules. The conception of such modules is…

Phishing detection is a critical cybersecurity task that involves the identification and neutralization of fraudulent attempts to obtain sensitive information, thereby safeguarding individuals and organizations from data breaches and…

Cryptography and Security · Computer Science 2024-08-19 Huilin Wang , Bryan Hooi

Chat-based cybercrime has emerged as a pervasive threat, with attackers leveraging real-time messaging platforms to conduct scams that rely on trust-building, deception, and psychological manipulation. Traditional defense mechanisms, which…

Cryptography and Security · Computer Science 2025-12-29 Yifan Yao , Baojuan Wang , Jinhao Duan , Kaidi Xu , ChuanKai Guo , Zhibo Eric Sun , Yue Zhang

In the digital age, the prevalence of misleading news headlines poses a significant challenge to information integrity, necessitating robust detection mechanisms. This study explores the efficacy of Large Language Models (LLMs) in…

Computation and Language · Computer Science 2024-05-07 Md Main Uddin Rony , Md Mahfuzul Haque , Mohammad Ali , Ahmed Shatil Alam , Naeemul Hassan

Rapid growth of digital transactions has led to a surge in fraudulent activities, challenging traditional detection methods in the financial sector. To tackle this problem, we introduce a specialised federated learning framework that…

The rise of digital payments has accelerated the need for intelligent and scalable systems to detect fraud. This research presents an end-to-end, feature-rich machine learning framework for detecting credit card transaction anomalies and…

Answering end user security questions is challenging. While large language models (LLMs) like GPT, LLAMA, and Gemini are far from error-free, they have shown promise in answering a variety of questions outside of security. We studied LLM…

Cryptography and Security · Computer Science 2025-10-29 Vijay Prakash , Kevin Lee , Arkaprabha Bhattacharya , Danny Yuxing Huang , Jessica Staddon

Countless terms of service (ToS) are being signed everyday by users all over the world while interacting with all kinds of apps and websites. More often than not, these online contracts spanning double-digit pages are signed blindly by…

Computation and Language · Computer Science 2024-09-09 Mirgita Frasheri , Arian Bakhtiarnia , Lukas Esterle , Alexandros Iosifidis

Fraud detection is extremely critical for e-commerce business. It is the intent of the companies to detect and prevent fraud as early as possible. Existing fraud detection methods try to identify unexpected dense subgraphs and treat related…

Machine Learning · Computer Science 2020-11-09 Yuxiang Ren , Hao Zhu , Jiawei Zhang , Peng Dai , Liefeng Bo

Standardized datasets and benchmarks have spurred innovations in computer vision, natural language processing, multi-modal and tabular settings. We note that, as compared to other well researched fields, fraud detection has unique…

Machine Learning · Computer Science 2023-09-26 Prince Grover , Julia Xu , Justin Tittelfitz , Anqi Cheng , Zheng Li , Jakub Zablocki , Jianbo Liu , Hao Zhou

The rise of financial crime that has been observed in recent years has created an increasing concern around the topic and many people, organizations and governments are more and more frequently trying to combat it. Despite the increase of…

Social media bot detection has always been an arms race between advancements in machine learning bot detectors and adversarial bot strategies to evade detection. In this work, we bring the arms race to the next level by investigating the…

Computation and Language · Computer Science 2024-07-08 Shangbin Feng , Herun Wan , Ningnan Wang , Zhaoxuan Tan , Minnan Luo , Yulia Tsvetkov