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Automated traffic continued to surpass human-generated traffic on the web, and a rising proportion of this automation was explicitly malicious. Evasive bots could pretend to be real users, even solve Captchas and mimic human interaction…

Cryptography and Security · Computer Science 2026-02-11 Ghalia Jarad , Kemal Bicakci

There has been an ongoing cycle where stronger defenses against adversarial attacks are subsequently broken by a more advanced defense-aware attack. We present a new approach towards ending this cycle where we "deflect'' adversarial attacks…

Machine Learning · Computer Science 2020-02-19 Yao Qin , Nicholas Frosst , Colin Raffel , Garrison Cottrell , Geoffrey Hinton

Cloud computing environments are increasingly vulnerable to security threats such as distributed denial-of-service (DDoS) attacks and SQL injection. Traditional security mechanisms, based on rule matching and feature recognition, struggle…

Cryptography and Security · Computer Science 2025-12-11 Yuqing Wang , Xiao Yang

In Massively Multiplayer Online Role-Playing Games (MMORPGs), auto-leveling bots exploit automated programs to level up characters at scale, undermining gameplay balance and fairness. Detecting such bots is challenging, not only because…

Artificial Intelligence · Computer Science 2025-08-29 Jaeman Son , Hyunsoo Kim

In this short note, we propose a unified framework that bridges three areas: (1) a flipped perspective on the Turing Test, the "dual Turing test", in which a human judge's goal is to identify an AI rather than reward a machine for…

Machine Learning · Computer Science 2025-07-23 Alberto Messina

Bot detection using machine learning (ML), with network flow-level features, has been extensively studied in the literature. However, existing flow-based approaches typically incur a high computational overhead and do not completely capture…

Cryptography and Security · Computer Science 2019-02-25 Abbas Abou Daya , Mohammad A. Salahuddin , Noura Limam , Raouf Boutaba

Playing games is inherently human, and a lot of games are created to challenge different human characteristics. However, these tasks are often left out when evaluating the human-like nature of artificial models. The objective of this work…

Computer Vision and Pattern Recognition · Computer Science 2025-09-04 Nuria Alabau-Bosque , Jorge Vila-Tomás , Paula Daudén-Oliver , Pablo Hernández-Cámara , Jose Manuel Jaén-Lorites , Valero Laparra , Jesús Malo

Cloud computing is an opened and distributed network that guarantees access to a large amount of data and IT infrastructure at several levels (software, hardware...). With the increase demand, handling clients' needs is getting increasingly…

Multiagent Systems · Computer Science 2022-06-24 Imen Bouabdallah , Hakima Mellah

Multiplayer online gaming has witnessed an explosion in popularity over the past two decades. However, security issues continue to give rise to in-game cheating, deterring honest gameplay, detracting from user experience, and ultimately…

Cryptography and Security · Computer Science 2025-01-22 Yaqi Cai , Konstantinos Markantonakis , Carlton Shepherd

Cloud computing has changed online communities in three dimensions, which are scalability, adaptability and reduced overhead. But there are serious security concerns which are brought about by its distributed and multi-tenant…

Cryptography and Security · Computer Science 2026-01-08 Gaurav Sarraf , Vibhor Pal

This paper explores adaptive problem solving with a game designed to support the development of problem-solving skills. Using an adaptive, AI-powered puzzle game, our adaptive problem-solving system dynamically generates pathfinding-based…

Artificial Intelligence · Computer Science 2025-12-09 Matthew McConnell , Richard Zhao

Cloud computing is a trending technology in the field of Information Technology as it allows sharing of resources over a network. The reason Cloud computing gained traction so rapidly was because of its performance, availability and low…

Cryptography and Security · Computer Science 2014-04-08 Sagar Tirodkar , Yazad Baldawala , Sagar Ulane , Ashok Jori

Reliable human-machine discrimination is becoming increasingly important as large language models and autonomous agents are deployed in online settings. Existing approaches evaluate whether a system can produce behavior or responses…

Artificial Intelligence · Computer Science 2026-05-12 Milena Rmus , Mathew D. Hardy , Thomas L. Griffiths , Mayank Agrawal

Security issues are the most challenging problems in cloud computing environments as an emerging technology. Regarding to this importance, an efficient and reliable user authentication and data protection model has been presented in this…

Distributed, Parallel, and Cluster Computing · Computer Science 2015-08-10 Mohammad Ahmadi , Mostafa Vali , Farez Moghaddam , Aida Hakemi , Kasra Madadipouya

Capture the Flag games represent a popular method of cybersecurity training. Providing meaningful insight into the training progress is essential for increasing learning impact and supporting participants' motivation, especially in advanced…

Human-Computer Interaction · Computer Science 2020-08-31 Radek Ošlejšek , Vít Rusňák , Karolína Burská , Valdemar Švábenský , Jan Vykopal

Previous work showed that reCAPTCHA v2's image challenges could be solved by automated programs armed with Deep Neural Network (DNN) image classifiers and vision APIs provided by off-the-shelf image recognition services. In response to…

Cryptography and Security · Computer Science 2021-04-09 Md Imran Hossen , Yazhou Tu , Md Fazle Rabby , Md Nazmul Islam , Hui Cao , Xiali Hei

Phishing is an online fraudulent technique, which aims to steal sensitive information such as usernames, passwords and online banking details from its victims. To prevent this, anti-phishing education needs to be considered. This research…

Computers and Society · Computer Science 2015-11-06 Nalin Asanka Gamagedara Arachchilage , Steve Love , Carsten Maple

Every day, internet thieves employ new ways to obtain personal identity people and get access to their personal information. Phishing is a somehow complex method that has recently been considered by internet thieves.The present study aims…

Cryptography and Security · Computer Science 2017-06-09 Shahrzad Sedaghat

Modern CAPTCHAs rely heavily on vision tasks that are supposedly hard for computers but easy for humans. However, advances in image recognition models pose a significant threat to such CAPTCHAs. These models can easily be fooled by…

Computer Vision and Pattern Recognition · Computer Science 2024-09-10 Yahya Jabary , Andreas Plesner , Turlan Kuzhagaliyev , Roger Wattenhofer

Nowadays, CAPTCHAs are computer generated tests that human can pass but current computer systems can not. They have common usage in various web services in order to be able to detect a human from computer programs autonomously. In this way,…

Machine Learning · Computer Science 2019-01-09 Ahmet Faruk Cakmak , Muhammet Balcilar