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The democratization of generative AI introduces new forms of human-AI interaction and raises urgent safety, ethical, and cybersecurity concerns. We develop a socio-technical explanation for how generative AI enables and scales cybercrime.…

Computers and Society · Computer Science 2025-12-04 Truong Jack Luu , Binny M. Samuel

This study focuses on the creation and implementation of ransomware for educational purposes that leverages Python's native cryptographic APIs in a controlled environment. Additionally, an Android version of the framework is implemented…

Cryptography and Security · Computer Science 2025-08-19 James Gu , Ahmed Sartaj , Mohammed Akram Taher Khan , Rashid Hussain Khokhar

URLs are central to a myriad of cyber-security threats, from phishing to the distribution of malware. Their inherent ease of use and familiarity is continuously abused by attackers to evade defences and deceive end-users. Seemingly…

Cryptography and Security · Computer Science 2021-08-31 Mahathir Almashor , Ejaz Ahmed , Benjamin Pick , Sharif Abuadbba , Raj Gaire , Seyit Camtepe , Surya Nepal

Cybersecurity solutions have shown promising performance when detecting ransomware samples that use fixed algorithms and encryption rates. However, due to the current explosion of Artificial Intelligence (AI), sooner than later, ransomware…

We investigate the criminal market dynamics of infostealer malware and publish three evidence datasets on malware infections and trade. We justify the value chain between illicit enterprises using the datasets, compare the prices and added…

Cryptography and Security · Computer Science 2023-07-18 Juha Nurmi , Mikko Niemelä , Billy Bob Brumley

Blockchain technology has evolved through many changes and modifications, such as smart-contracts since its inception in 2008. The popularity of a blockchain system is due to the fact that it offers a significant security advantage over…

A new cybersecurity attack,where an adversary illicitly runs crypto-mining software over the devices of unaware users, is emerging in both the literature and in the wild . This attack, known as cryptojacking, has proved to be very effective…

Cryptography and Security · Computer Science 2022-08-09 Maurantonio Caprolu , Simone Raponi , Gabriele Oligeri , Roberto Di Pietro

One of the biggest problems with the Internet technology is the unwanted spam emails. The well disguised phishing email comes in as part of the spam and makes its entry into the inbox quite frequently nowadays. While phishing is normally…

Cryptography and Security · Computer Science 2014-10-20 B. Issac , R. Chiong , S. M. Jacob

As the indispensable trading platforms of the ecosystem, hundreds of cryptocurrency exchanges are emerging to facilitate the trading of digital assets. While, it also attracts the attentions of attackers. A number of scam attacks were…

Cryptography and Security · Computer Science 2020-03-17 Pengcheng Xia , Bowen Zhang , Ru Ji , Bingyu Gao , Lei Wu , Xiapu Luo , Haoyu Wang , Guoai Xu

Blockchain is a growing decentralized system built for transparency and immutability. There have been several major attacks on blockchain-based systems, leaving a gap in the trustability of this system. This article presents a comprehensive…

Cryptography and Security · Computer Science 2024-09-17 Joydip Das , Syed Ashraf Al Tasin , Md. Forhad Rabbi , Md Sadek Ferdous

Cryptocurrencies have emerged as a new form of digital money that has not escaped the eyes of cyber-attackers. Traditionally, they have been maliciously used as a medium of exchange for proceeds of crime in the cyber dark-market by…

Cryptography and Security · Computer Science 2021-02-23 Aaron Zimba , Mumbi Chishimba , Christabel Ngongola-Reinke , Tozgani Fainess Mbale

Ransomware has appeared as one of the major global threats in recent days. The alarming increasing rate of ransomware attacks and new ransomware variants intrigue the researchers to constantly examine the distinguishing traits of ransomware…

Cryptography and Security · Computer Science 2022-11-15 Rawshan Ara Mowri , Madhuri Siddula , Kaushik Roy

Soon after its introduction in 2009, Bitcoin has been adopted by cyber-criminals, which rely on its pseudonymity to implement virtually untraceable scams. One of the typical scams that operate on Bitcoin are the so-called Ponzi schemes.…

Cryptography and Security · Computer Science 2018-03-05 Massimo Bartoletti , Barbara Pes , Sergio Serusi

Cryptocurrency exchanges are frequently targeted and compromised by cyber-attacks, which may lead to significant losses for the depositors and closure of the affected exchanges. These risks threaten the viability of the entire public…

Cryptography and Security · Computer Science 2019-04-23 Benjamin Johnson , Aron Laszka , Jens Grossklags , Tyler Moore

A real time portal (www.ganamoscybersecure.org) to enlighten people on how to protect their data in the web, the strategies adopted by cyber criminals to succeed in exploiting their victims as well as the mistakes made by people and…

Computers and Society · Computer Science 2019-10-25 Moses Adah Agana , Bassey Igbo Ele

Cross-chain bridges are essential decentralized applications (DApps) to facilitate interoperability between different blockchain networks. Unlike regular DApps, the functionality of cross-chain bridges relies on the collaboration of…

Cryptography and Security · Computer Science 2025-03-04 Jiajing Wu , Kaixin Lin , Dan Lin , Bozhao Zhang , Zhiying Wu , Jianzhong Su

Phishing is an increasingly sophisticated form of cyberattack that is inflicting huge financial damage to corporations throughout the globe while also jeopardizing individuals' privacy. Attackers are constantly devising new methods of…

Cryptography and Security · Computer Science 2024-03-18 Asif Newaz , Farhan Shahriyar Haq , Nadim Ahmed

The key cryptographic protocols used to secure the internet and financial transactions of today are all susceptible to attack by the development of a sufficiently large quantum computer. One particular area at risk are cryptocurrencies, a…

Quantum Physics · Physics 2020-06-07 Divesh Aggarwal , Gavin K. Brennen , Troy Lee , Miklos Santha , Marco Tomamichel

With the advent of decentralised digital currencies powered by blockchain technology, a new era of peer-to-peer transactions has commenced. The rapid growth of the cryptocurrency economy has led to increased use of transaction-enabling…

Cryptography and Security · Computer Science 2025-11-05 Yimika Erinle , Yathin Kethepalli , Yebo Feng , Jiahua Xu

In this work, we reexamine the vulnerability of Payment Channel Networks (PCNs) to bribing attacks, where an adversary incentivizes blockchain miners to deliberately ignore a specific transaction to undermine the punishment mechanism of…

Cryptography and Security · Computer Science 2024-07-18 Zeta Avarikioti , Paweł Kędzior , Tomasz Lizurej , Tomasz Michalak
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