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Related papers: A Study of CAPTCHAs for Securing Web Services

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Artificial Intelligence brings innovations into the society. However, bias and unethical exist in many algorithms that make the applications less trustworthy. Threats hunting algorithms based on machine learning have shown great advantage…

Cryptography and Security · Computer Science 2025-06-25 Shuangbao Paul Wang , Paul Mullin

The Internet enables users to access vast resources, but it can also expose users to harmful cyber-attacks. This paper investigates human factors issues concerning the use of sounds in a cyber-security domain. It describes a methodology,…

Cryptography and Security · Computer Science 2018-05-23 Akbar Siami Namin , Rattikorn Hewett , Keith S. Jones , Rona Pogrund

Social bots have emerged over the last decade, initially creating a nuisance while more recently used to intimidate journalists, sway electoral events, and aggravate existing social fissures. This social threat has spawned a bot detection…

Social and Information Networks · Computer Science 2020-07-16 David M. Beskow , Kathleen M. Carley

In recent years, the rapid development of artificial intelligence (AI) especially multi-modal Large Language Models (MLLMs), has enabled it to understand text, images, videos, and other multimedia data, allowing AI systems to execute…

Cryptography and Security · Computer Science 2025-04-02 Lehao Lin , Ke Wang , Maha Abdallah , Wei Cai

Autonomous AI agents can now programmatically hire human workers through marketplaces using REST APIs and Model Context Protocol (MCP) integrations. This creates an attack surface analogous to CAPTCHA-solving services but with…

Cryptography and Security · Computer Science 2026-02-24 Pulak Mehta

Increasing number of cyber-attacks demotivate people to use Information and Communication Technology (ICT) for industrial as well as day to day work. A main reason for the increasing number of cyber-attacks is mistakes that programmers make…

Cryptography and Security · Computer Science 2018-10-12 Chamila Wijayarathna , Nalin Asanka Gamagedara Arachchilage

Modern web agents possess computer use abilities that allow them to interact with webpages by sending commands to a virtual keyboard and mouse. While such agents have considerable potential to assist human users with complex tasks,…

Artificial Intelligence · Computer Science 2025-07-25 Yixiao Song , Katherine Thai , Chau Minh Pham , Yapei Chang , Mazin Nadaf , Mohit Iyyer

In 1950, Alan Turing proposed an imitation game as the ultimate test of whether a machine was intelligent: could a machine imitate a human so well that its answers to questions indistinguishable from a human. Ever since, creating…

General Economics · Economics 2022-01-13 Erik Brynjolfsson

These days, cyber-criminals target humans rather than machines since they try to accomplish their malicious intentions by exploiting the weaknesses of end users. Thus, human vulnerabilities pose a serious threat to the security and…

Cryptography and Security · Computer Science 2021-06-25 Dimitra Papatsaroucha , Yannis Nikoloudakis , Ioannis Kefaloukos , Evangelos Pallis , Evangelos K. Markakis

Internet technology is so pervasive today, for example, from online social networking to online banking, it has made people's lives more comfortable. Due the growth of Internet technology, security threats to systems and networks are…

Cryptography and Security · Computer Science 2017-05-30 B. B. Gupta , Nalin Asanka Gamagedara Arachchilage , Konstantinos E. Psannis

With the ever growing networking capabilities and services offered to users, attack surfaces have been increasing exponentially, additionally, the intricacy of network architectures has increased the complexity of cyber-defenses, to this…

Cryptography and Security · Computer Science 2019-03-22 Xavier Bellekens , Gayan Jayasekara , Hanan Hindy , Miroslav Bures , David Brosset , Christos Tachtatzis , Robert Atkinson

Human-like agents are an increasingly important topic in games and beyond. Believable non-player characters enhance the gaming experience by improving immersion and providing entertainment. They also offer players the opportunity to engage…

Artificial Intelligence · Computer Science 2025-06-11 Maciej Swiechowski , Dominik Slezak

Consumer Internet of Things (IoT) devices are increasingly common, from smart speakers to security cameras, in homes. Along with their benefits come potential privacy and security threats. To limit these threats a number of commercial…

Cryptography and Security · Computer Science 2023-04-07 Anna Maria Mandalari , Hamed Haddadi , Daniel J. Dubois , David Choffnes

Website fingerprinting attacks, which use statistical analysis on network traffic to compromise user privacy, have been shown to be effective even if the traffic is sent over anonymity-preserving networks such as Tor. The classical attack…

Cryptography and Security · Computer Science 2019-02-22 Anatoly Shusterman , Lachlan Kang , Yarden Haskal , Yosef Meltser , Prateek Mittal , Yossi Oren , Yuval Yarom

Humans are increasingly interacting with machines through language, sometimes in contexts where the user may not know they are talking to a machine (like over the phone or a text chatbot). We aim to understand how system designers and…

Computation and Language · Computer Science 2021-06-08 David Gros , Yu Li , Zhou Yu

Computational propaganda deploys social or political bots to try to shape, steer and manipulate online public discussions and influence decisions. Collective behaviour of populations of social bots has not been yet widely studied, though…

Physics and Society · Physics 2017-06-02 Andrej Duh , Marjan Slak Rupnik , Dean Korošak

We measure how effective Privacy Enhancing Technologies (PETs) are at protecting users from website fingerprinting. Our measurements use both experimental and observational methods. Experimental methods allow control, precision, and use on…

Cryptography and Security · Computer Science 2018-12-11 Amit Datta , Jianan Lu , Michael Carl Tschantz

Social Robots need to be safe and reliable to share their space with humans. This paper reports on the first results of a research project that aims to create more safe and reliable, intelligent autonomous robots by investigating the…

Browser fingerprinting is a pervasive online tracking technique used increasingly often for profiling and targeted advertising. Prior research on the prevalence of fingerprinting heavily relied on automated web crawls, which inherently…

Cryptography and Security · Computer Science 2025-02-04 Meenatchi Sundaram Muthu Selva Annamalai , Igor Bilogrevic , Emiliano De Cristofaro

Software bots operating in multiple virtual digital platforms must understand the platforms' affordances and behave like human users. Platform affordances or features differ from one application platform to another or through a life cycle,…

Artificial Intelligence · Computer Science 2023-05-30 Habtom Kahsay Gidey , Peter Hillmann , Andreas Karcher , Alois Knoll