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The proliferation of phishing sites and emails poses significant challenges to existing cybersecurity efforts. Despite advances in malicious email filters and email security protocols, problems with oversight and false positives persist.…

Cryptography and Security · Computer Science 2024-08-26 Takashi Koide , Naoki Fukushi , Hiroki Nakano , Daiki Chiba

The email is used daily by millions of people to communicate around the globe and it is a mission-critical application for many businesses. Over the last decade, unsolicited bulk email has become a major problem for email users. An…

Information Retrieval · Computer Science 2010-10-15 Carlos M. Lorenzetti , Rocío L. Cecchini , Ana G. Maguitman , András A. Benczúr

In today's digitally interconnected world, cybersecurity threats have reached unprecedented levels, presenting a pressing concern for individuals, organizations, and governments. This study employs a qualitative research approach to…

Cryptography and Security · Computer Science 2024-01-02 Daksh Dave , Gauransh Sawhney , Pushkar Aggarwal , Nitish Silswal , Dhruv Khut

In this work, message authentication over noisy channels is studied. The model developed in this paper is the authentication theory counterpart of Wyner's wiretap channel model. Two types of opponent attacks, namely impersonation attacks…

Information Theory · Computer Science 2008-02-20 Lifeng Lai , Hesham El Gamal , H. Vincent Poor

This paper presents a timing attack on the FIDO2 (Fast IDentity Online) authentication protocol that allows attackers to link user accounts stored in vulnerable authenticators, a serious privacy concern. FIDO2 is a new standard specified by…

Cryptography and Security · Computer Science 2022-05-18 Michal Kepkowski , Lucjan Hanzlik , Ian Wood , Mohamed Ali Kaafar

Email service providers have employed many email classification and prioritization systems over the last decade to improve their services. In order to assist email services, we propose a personalized email community detection method to…

Social and Information Networks · Computer Science 2013-06-07 Waqas Nawaz , Yongkoo Han , Kifayat-Ullah Khan , Young-Koo Lee

To send encrypted emails, users typically need to create and exchange keys which later should be manually authenticated, for instance, by comparing long strings of characters. These tasks are cumbersome for the average user. To make more…

Cryptography and Security · Computer Science 2020-09-01 Itzel Vazquez Sandoval , Gabriele Lenzini

Many widely used Internet messaging and calling apps, such as WhatsApp, Viber, Telegram, and Signal, have deployed an end-to-end encryption functionality. To defeat potential MITM attackers against the key exchange protocol, the approach…

Cryptography and Security · Computer Science 2017-07-18 Maliheh Shirvanian , Nitesh Saxena , Jesvin James George

Phishing attacks represents one of the primary attack methods which is used by cyber attackers. In many cases, attackers use deceptive emails along with malicious attachments to trick users into giving away sensitive information or…

Cryptography and Security · Computer Science 2026-02-12 Fatemeh Nejati , Mahdi Rabbani , Morteza Eskandarian , Mansur Mirani , Gunjan Piya , Igor Opushnyev , Ali A. Ghorbani , Sajjad Dadkhah

In a brave new age of global connectivity and e-commerce, interconnections via networks have heightened, creating for both individuals and organizations, a state of complete dependence upon vulnerable systems for storage and transfer of…

Cryptography and Security · Computer Science 2015-11-03 Amit Kumar , Santosh Malhotra

Data mining is also being useful to give solutions for invasion finding and auditing. While data mining has several applications in protection, there are also serious privacy fears. Because of email mining, even inexperienced users can…

Cryptography and Security · Computer Science 2014-05-06 Tarushi Sharma , AmanPreet Kaur

This paper presents a review of peer-to-peer network security. Popular for sharing of multimedia files, these networks carry risks and vulnerabilities relating to data integrity, spyware, adware, and unwanted files. Further attacks include…

Cryptography and Security · Computer Science 2015-04-07 Logan Washbourne

The use of Artificial Intelligence (AI) to detect phishing emails is primarily dependent on large-scale centralized datasets, which opens it up to a myriad of privacy, trust, and legal issues. Moreover, organizations are loathed to share…

Machine Learning · Computer Science 2021-05-24 Chandra Thapa , Jun Wen Tang , Alsharif Abuadbba , Yansong Gao , Seyit Camtepe , Surya Nepal , Mahathir Almashor , Yifeng Zheng

The lead marketing ecosystem enables collection, sale, and use of personal data submitted via web forms to deliver personalized quotes in high-value verticals such as insurance. Despite its scale and sensitivity of the collected data, this…

Cryptography and Security · Computer Science 2026-04-09 Yash Vekaria , Nurullah Demir , Konrad Kollnig , Zubair Shafiq

Unsolicited email (spam) is still a problem for users of the email service. Even though current email anti-spam solutions filter most spam emails, some spam emails still are delivered to the inbox of users. A special class of spam emails…

Cryptography and Security · Computer Science 2015-06-24 Alexander Schmidtke , Hans-Joachim Hof

Malicious email attachments are a growing delivery vector for malware. While machine learning has been successfully applied to portable executable (PE) malware detection, we ask, can we extend similar approaches to detect malware across…

Cryptography and Security · Computer Science 2018-04-24 Ethan M. Rudd , Richard Harang , Joshua Saxe

Owing to the increase in 'certified' phishing websites, there is a steady increase in the number of phishing cases and general susceptibility to phishing. Trust mechanisms (e.g., HTTPS Lock Indicators, SSL Certificates) that help…

Phishing attacks pose a significant threat to Internet users, with cybercriminals elaborately replicating the visual appearance of legitimate websites to deceive victims. Visual similarity-based detection systems have emerged as an…

Cryptography and Security · Computer Science 2025-01-31 Fujiao Ji , Kiho Lee , Hyungjoon Koo , Wenhao You , Euijin Choo , Hyoungshick Kim , Doowon Kim

The Sender Policy Framework (SPF) is a basic mechanism for authorizing the use of domains in email. In combination with other mechanisms, it serves as a cornerstone for protecting users from forged senders. In this paper, we investigate the…

Cryptography and Security · Computer Science 2025-02-13 Stefan Czybik , Micha Horlboge , Konrad Rieck

While smishing (SMS Phishing) attacks have risen to become one of the most common types of social engineering attacks, there is a lack of relevant smishing datasets. One of the biggest challenges in the domain of smishing prevention is the…

Cryptography and Security · Computer Science 2024-04-30 Daniel Timko , Muhammad Lutfor Rahman