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Phishing and spam detection is long standing challenge that has been the subject of much academic research. Large Language Models (LLM) have vast potential to transform society and provide new and innovative approaches to solve…

Computation and Language · Computer Science 2023-11-14 Suhaima Jamal , Hayden Wimmer

Phishing websites remain a major cybersecurity threat, exploiting deceptive structures, brand impersonation, and social engineering to evade detection. Recent advances in large language models (LLMs) have improved phishing detection through…

Cryptography and Security · Computer Science 2026-03-10 Wenhao Li , Selvakumar Manickam , Yung-wey Chong , Shankar Karuppayah

Email threat is a serious issue for enterprise security. The threat can be in various malicious forms, such as phishing, fraud, blackmail and malvertisement. The traditional anti-spam gateway often maintains a greylist to filter out…

Cryptography and Security · Computer Science 2022-11-10 Peilun Wu , Hui Guo

Enterprise security is increasingly being threatened by social engineering attacks, such as phishing, which deceive employees into giving access to enterprise data. To protect both the users themselves and enterprise data, more and more…

Cryptography and Security · Computer Science 2024-05-22 Mithün Paul , Genevieve Bartlett , Jelena Mirkovic , Marjorie Freedman

The way we communicate and work has changed significantly with the rise of the Internet. While it has opened up new opportunities, it has also brought about an increase in cyber threats. One common and serious threat is phishing, where…

Cryptography and Security · Computer Science 2024-07-11 Furkan Çolhak , Mert İlhan Ecevit , Bilal Emir Uçar , Reiner Creutzburg , Hasan Dağ

Phishing has long been a common tactic used by cybercriminals and continues to pose a significant threat in today's digital world. When phishing attacks become more advanced and sophisticated, there is an increasing need for effective…

Cryptography and Security · Computer Science 2025-02-10 Catherine Lee

Phishing remains a pervasive cyber threat, as attackers craft deceptive emails to lure victims into revealing sensitive information. While Artificial Intelligence (AI), in particular, deep learning, has become a key component in defending…

Cryptography and Security · Computer Science 2025-05-07 Fengchao Chen , Tingmin Wu , Van Nguyen , Shuo Wang , Alsharif Abuadbba , Carsten Rudolph

The problem of detecting phishing emails through machine learning techniques has been discussed extensively in the literature. Conventional and state-of-the-art machine learning algorithms have demonstrated the possibility of building…

Cryptography and Security · Computer Science 2021-01-01 Luis Felipe Gutiérrez , Faranak Abri , Miriam Armstrong , Akbar Siami Namin , Keith S. Jones

Smishing (SMS phishing) has become a serious cybersecurity threat, especially for elderly and cyber-unaware individuals, causing financial loss and undermining user trust. Although prior work has focused on detecting smishing at the level…

Cryptography and Security · Computer Science 2026-04-14 Carl Lochstampfor , Ayan Roy

Phishing is a persistent cybersecurity threat in today's digital landscape. This paper introduces Phishsense-1B, a refined version of the Llama-Guard-3-1B model, specifically tailored for phishing detection and reasoning. This adaptation…

Cryptography and Security · Computer Science 2025-03-17 SE Blake

System prompt configuration can make the difference between near-total phishing blindness and near-perfect detection in LLM email agents. We present PhishNChips, a study of 11 models under 10 prompt strategies, showing that prompt-model…

Cryptography and Security · Computer Science 2026-03-27 Ron Litvak

Phishing emails are the first step for many of today's attacks. They come with a simple hyperlink, request for action or a full replica of an existing service or website. The goal is generally to trick the user to voluntarily give away his…

Cryptography and Security · Computer Science 2020-04-22 Suhail Paliath , Mohammad Abu Qbeitah , Monther Aldwairi

In this paper, we evaluate the capability of large language models to conduct personalized phishing attacks and compare their performance with human experts and AI models from last year. We include four email groups with a combined total of…

Cryptography and Security · Computer Science 2024-12-03 Fred Heiding , Simon Lermen , Andrew Kao , Bruce Schneier , Arun Vishwanath

With the generalization of mobile communication systems, solicitations of all kinds in the form of messages and emails are received by users with increasing proportion of malicious ones. They are customized to pass anti-spam filters and ask…

Cryptography and Security · Computer Science 2017-06-30 P-Y. Cousin , V. Bernard , A. Lefaillet , M. Mugaruka , C. Raibaud

Phishing emails continue to pose a persistent challenge to online communication, exploiting human trust and evading automated filters through realistic language and adaptive tactics. While large language models (LLMs) such as GPT-4 and…

Cryptography and Security · Computer Science 2025-11-10 Daniyal Ganiuly , Assel Smaiyl

The emergence of online services in our daily lives has been accompanied by a range of malicious attempts to trick individuals into performing undesired actions, often to the benefit of the adversary. The most popular medium of these…

Cryptography and Security · Computer Science 2021-06-22 Lukas Halgas , Ioannis Agrafiotis , Jason R. C. Nurse

With increasingly more sophisticated phishing campaigns in recent years, phishing emails lure people using more legitimate-looking personal contexts. To tackle this problem, instead of traditional heuristics-based algorithms, more adaptive…

Cryptography and Security · Computer Science 2022-07-06 Yuwei Sun , Ng Chong , Hideya Ochiai

Phishing is an online identity theft technique where attackers steal users personal information, leading to financial losses for individuals and organizations. With the increasing adoption of smartphones, which provide functionalities…

Cryptography and Security · Computer Science 2025-01-03 Diksha Goel

Social networking websites face a constant barrage of spam, unwanted messages that distract, annoy, and even defraud honest users. These messages tend to be very short, making them difficult to identify in isolation. Furthermore, spammers…

Social and Information Networks · Computer Science 2020-01-30 Jonathan Brophy , Daniel Lowd

Phishing attacks are a significant societal threat, disproportionately harming vulnerable populations and eroding trust in essential digital services. Current defenses are often reactive, failing against modern evasive tactics like cloaking…

Cryptography and Security · Computer Science 2026-01-23 Daiki Chiba , Hiroki Nakano , Takashi Koide