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The field of cybersecurity is evolving fast. Experts need to be informed about past, current and - in the best case - upcoming threats, because attacks are becoming more advanced, targets bigger and systems more complex. As this cannot be…

Cryptography and Security · Computer Science 2022-12-07 Markus Bayer , Philipp Kuehn , Ramin Shanehsaz , Christian Reuter

Large-scale pre-trained models such as CodeBERT, GraphCodeBERT have earned widespread attention from both academia and industry. Attributed to the superior ability in code representation, they have been further applied in multiple…

Software Engineering · Computer Science 2023-01-24 Shangqing Liu , Bozhi Wu , Xiaofei Xie , Guozhu Meng , Yang Liu

URL+HTML feature fusion shows promise for robust malicious URL detection, since attacker artifacts persist in DOM structures. However, prior work suffers from four critical shortcomings: (1) incomplete URL modeling, failing to jointly…

Cryptography and Security · Computer Science 2025-06-25 Ye Tian , Zhang Yumin , Yifan Jia , Jianguo Sun , Yanbin Wang

Malicious URL detection remains a critical cybersecurity challenge as adversaries increasingly employ sophisticated evasion techniques including obfuscation, character-level perturbations, and adversarial attacks. Although pre-trained…

Cryptography and Security · Computer Science 2025-10-15 Ye Tian , Yanqiu Yu , Liangliang Song , Zhiquan Liu , Yanbin Wang , Jianguo Sun

It is challenging to control the quality of online information due to the lack of supervision over all the information posted online. Manual checking is almost impossible given the vast number of posts made on online media and how quickly…

Computation and Language · Computer Science 2022-03-16 Rini Anggrainingsih , Ghulam Mubashar Hassan , Amitava Datta

LLM-based web agents have become increasingly popular for their utility in daily life and work. However, they exhibit critical vulnerabilities when processing malicious URLs: accepting a disguised malicious URL enables subsequent access to…

Cryptography and Security · Computer Science 2026-03-16 Dezhang Kong , Zhuxi Wu , Shiqi Liu , Zhicheng Tan , Kuichen Lu , Minghao Li , Qichen Liu , Shengyu Chu , Zhenhua Xu , Xuan Liu , Meng Han

In this paper, we assess the viability of transformer models in end-to-end InfoSec settings, in which no intermediate feature representations or processing steps occur outside the model. We implement transformer models for two distinct…

Machine Learning · Computer Science 2022-12-07 Ethan M. Rudd , Mohammad Saidur Rahman , Philip Tully

Malicious URLs persistently threaten the cybersecurity ecosystem, by either deceiving users into divulging private data or distributing harmful payloads to infiltrate host systems. Gaining timely insights into the current state of this…

Cryptography and Security · Computer Science 2025-06-03 Ye Tian , Yanqiu Yu , Jianguo Sun , Yanbin Wang

This paper reveals a data bias issue that can severely affect the performance while conducting a machine learning model for malicious URL detection. We describe how such bias can be identified using interpretable machine learning…

Machine Learning · Computer Science 2024-02-12 YunDa Tsai , Cayon Liow , Yin Sheng Siang , Shou-De Lin

Malicious websites are responsible for a majority of the cyber-attacks and scams today. Malicious URLs are delivered to unsuspecting users via email, text messages, pop-ups or advertisements. Clicking on or crawling such URLs can result in…

Cryptography and Security · Computer Science 2019-10-15 Apoorva Joshi , Levi Lloyd , Paul Westin , Srini Seethapathy

Language model pre-training has proven to be useful in learning universal language representations. As a state-of-the-art language model pre-training model, BERT (Bidirectional Encoder Representations from Transformers) has achieved amazing…

Computation and Language · Computer Science 2020-02-06 Chi Sun , Xipeng Qiu , Yige Xu , Xuanjing Huang

Recent state-of-the-art language models utilize a two-phase training procedure comprised of (i) unsupervised pre-training on unlabeled text, and (ii) fine-tuning for a specific supervised task. More recently, many studies have been focused…

Computation and Language · Computer Science 2019-11-15 Itzik Malkiel , Lior Wolf

Semantic networks, such as the knowledge graph, can represent the knowledge leveraging the graph structure. Although the knowledge graph shows promising values in natural language processing, it suffers from incompleteness. This paper…

Computation and Language · Computer Science 2022-04-29 Da Li , Sen Yang , Kele Xu , Ming Yi , Yukai He , Huaimin Wang

Automated hate speech detection in social media is a challenging task that has recently gained significant traction in the data mining and Natural Language Processing community. However, most of the existing methods adopt a supervised…

Computation and Language · Computer Science 2021-03-23 Md Rabiul Awal , Rui Cao , Roy Ka-Wei Lee , Sandra Mitrovic

The rise of emergence of social media platforms has fundamentally altered how people communicate, and among the results of these developments is an increase in online use of abusive content. Therefore, automatically detecting this content…

Computation and Language · Computer Science 2023-02-20 Khouloud Mnassri , Praboda Rajapaksha , Reza Farahbakhsh , Noel Crespi

This paper presents UniBERT, a compact multilingual language model that uses an innovative training framework that integrates three components: masked language modeling, adversarial training, and knowledge distillation. Pre-trained on a…

Computation and Language · Computer Science 2025-09-03 Andrei-Marius Avram , Marian Lupaşcu , Dumitru-Clementin Cercel , Ionuţ Mironică , Ştefan Trăuşan-Matu

Malicious URLs remain a primary vector for phishing, malware, and cyberthreats. This study proposes a hybrid deep learning framework combining \texttt{HashingVectorizer} n-gram analysis, SMOTE balancing, Isolation Forest anomaly filtering,…

Cryptography and Security · Computer Science 2025-12-04 Berkani Khaled , Zeraoulia Rafik

Offensive language detection is one of the most challenging problem in the natural language processing field, being imposed by the rising presence of this phenomenon in online social media. This paper describes our Transformer-based…

Computation and Language · Computer Science 2020-10-28 Mircea-Adrian Tanase , Dumitru-Clementin Cercel , Costin-Gabriel Chiru

Natural language understanding has recently seen a surge of progress with the use of sentence encoders like ELMo (Peters et al., 2018a) and BERT (Devlin et al., 2019) which are pretrained on variants of language modeling. We conduct the…

Malicious advertisement URLs pose a security risk since they are the source of cyber-attacks, and the need to address this issue is growing in both industry and academia. Generally, the attacker delivers an attack vector to the user by…

Machine Learning · Computer Science 2022-04-29 Ehsan Nowroozi , Abhishek , Mohammadreza Mohammadi , Mauro Conti