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Related papers: Visual Spoofing in content based spam detection

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Recent spam email techniques exploit visual effects in text messages, such as poisoning text, obfuscating words, and hidden text salting techniques. These effects were able to evade spam detection techniques based on the text. In this…

Cryptography and Security · Computer Science 2026-01-01 Ali Hossary , Stefano Tomasin

Modifying characters of a piece of text to their visual similar ones often ap-pear in spam in order to fool inspection systems and other conditions, which we regard as a kind of adversarial attack to neural models. We pro-pose a way of…

Computer Vision and Pattern Recognition · Computer Science 2020-08-25 Shengjun Liu , Ningkang Jiang , Yuanbin Wu

In this work we are concerned with the detection of spam in video sharing social networks. Specifically, we investigate how much visual content-based analysis can aid in detecting spam in videos. This is a very challenging task, because of…

Computer Vision and Pattern Recognition · Computer Science 2011-04-29 Antonio da Luz , Eduardo Valle , Arnaldo Araujo

We propose a new detection algorithm that uses structural relationships between senders and recipients of email as the basis for the identification of spam messages. Users and receivers are represented as vectors in their reciprocal spaces.…

Spam can be defined as unsolicited bulk email. In an effort to evade text-based filters, spammers sometimes embed spam text in an image, which is referred to as image spam. In this research, we consider the problem of image spam detection,…

Computer Vision and Pattern Recognition · Computer Science 2022-04-06 Tazmina Sharmin , Fabio Di Troia , Katerina Potika , Mark Stamp

With the rapid adoption of Internet as an easy way to communicate, the amount of unsolicited e-mails, known as spam e-mails, has been growing rapidly. The major problem of spam e-mails is the loss of productivity and a drain on IT…

Cryptography and Security · Computer Science 2012-12-11 Mohammadi Akheela Khanum , Lamia Mohammed Ketari

In the pursuit of an effective spam detection system, the focus has often been on identifying known spam patterns either through rule-based detection systems or machine learning (ML) solutions that rely on keywords. However, both systems…

Cryptography and Security · Computer Science 2024-09-05 Sachin Shukla , Omid Mirzaei

The exponential growth of spam text on the Internet necessitates robust detection mechanisms to mitigate risks such as information leakage and social instability. This work addresses two principal challenges: adversarial strategies employed…

Machine Learning · Computer Science 2025-07-25 Zhijie Wang , Zixin Xu , Zhiyuan Pan

Email is a private medium of communication, and the inherent privacy constraints form a major obstacle in developing effective spam filtering methods which require access to a large amount of email data belonging to multiple users. To…

Machine Learning · Computer Science 2011-09-20 Manas A. Pathak , Mehrbod Sharifi , Bhiksha Raj

Spam pages are designed to maliciously appear among the top search results by excessive usage of popular terms. Therefore, spam pages should be removed using an effective and efficient spam detection system. Previous methods for web spam…

Information Retrieval · Computer Science 2013-07-25 Ali Hadian , Behrouz Minaei-Bidgoli

As the name suggests, image spam is spam email that has been embedded in an image. Image spam was developed in an effort to evade text-based filters. Modern deep learning-based classifiers perform well in detecting typical image spam that…

Cryptography and Security · Computer Science 2021-03-10 Andy Phung , Mark Stamp

Plagiarism detection in programming education faces growing challenges due to increasingly sophisticated obfuscation techniques, particularly automated refactoring-based attacks. While code plagiarism detection systems used in education…

Software Engineering · Computer Science 2025-10-30 Robin Maisch , Larissa Schmid , Timur Sağlam , Nils Niehues

The use of short text messages in social media and instant messaging has become a popular communication channel during the last years. This rising popularity has caused an increment in messaging threats such as spam, phishing or malware as…

Computation and Language · Computer Science 2014-08-19 Alejandro Mosquera , Lamine Aouad , Slawomir Grzonkowski , Dylan Morss

Visually similar characters, or homoglyphs, can be used to perform social engineering attacks or to evade spam and plagiarism detectors. It is thus important to understand the capabilities of an attacker to identify homoglyphs --…

Cryptography and Security · Computer Science 2020-12-23 Perry Deng , Cooper Linsky , Matthew Wright

The task of Chinese text spam detection is very challenging due to both glyph and phonetic variations of Chinese characters. This paper proposes a novel framework to jointly model Chinese variational, semantic, and contextualized…

Computation and Language · Computer Science 2019-09-02 Zhuoren Jiang , Zhe Gao , Guoxiu He , Yangyang Kang , Changlong Sun , Qiong Zhang , Luo Si , Xiaozhong Liu

Hackers and spammers are employing innovative and novel techniques to deceive novice and even knowledgeable internet users. Image spam is one of such technique where the spammer varies and changes some portion of the image such that it is…

Computer Vision and Pattern Recognition · Computer Science 2018-10-10 Amara Dinesh Kumar , Vinayakumar R , Soman KP

Image spam threat detection has continually been a popular area of research with the internet's phenomenal expansion. This research presents an explainable framework for detecting spam images using Convolutional Neural Network(CNN)…

Computer Vision and Pattern Recognition · Computer Science 2023-02-01 Zhibo Zhang , Ernesto Damiani , Hussam Al Hamadi , Chan Yeob Yeun , Fatma Taher

The growing problem of unsolicited bulk e-mail, also known as "spam", has generated a need for reliable anti-spam e-mail filters. Filters of this type have so far been based mostly on manually constructed keyword patterns. An alternative…

Computation and Language · Computer Science 2007-05-23 Ion Androutsopoulos , John Koutsias , Konstantinos V. Chandrinos , Constantine D. Spyropoulos

Anomalies in emails such as phishing and spam present major security risks such as the loss of privacy, money, and brand reputation to both individuals and organizations. Previous studies on email anomaly detection relied on a single type…

Cryptography and Security · Computer Science 2022-03-22 Craig Beaman , Haruna Isah

Spammers take advantage of email popularity to send indiscriminately unsolicited emails. Although researchers and organizations continuously develop anti-spam filters based on binary classification, spammers bypass them through new…

Computation and Language · Computer Science 2020-05-29 Francisco Jáñez-Martino , Eduardo Fidalgo , Santiago González-Martínez , Javier Velasco-Mata
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