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Usability of CAPTCHAs or usability issues in CAPTCHA design

https://doi.org/10.1145/1408664.1408671
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What this work says

Outgoing claims: the papers this work cites, builds on, or argues with.

inferredcites →https://doi.org/10.1007/11427896_1openalex-snapshot
Building Segmentation Based Human-Friendly Human Interaction Proofs (HIPs)
inferredcites →https://doi.org/10.1007/11427896_2openalex-snapshot
A Highly Legible CAPTCHA That Resists Segmentation Attacks
inferredcites →https://doi.org/10.1007/11427896_6openalex-snapshot
CAPTCHA Generation as a Web Service
inferredcites →https://doi.org/10.1007/s10032-002-0089-1openalex-snapshot
PessimalPrint: a reverse Turing test
inferredcites →https://doi.org/10.1109/38.773961openalex-snapshot
Using color effectively in computer graphics
inferredcites →https://doi.org/10.1109/acsac.2007.47openalex-snapshot
Breaking Visual CAPTCHAs with Naive Pattern Recognition Algorithms
inferredcites →https://doi.org/10.1109/cvpr.2003.1211347openalex-snapshot
Recognizing objects in adversarial clutter: breaking a visual CAPTCHA
inferredcites →https://doi.org/10.1109/second.2006.1629343openalex-snapshot
2D Captchas from 3D Models
inferredcites →https://doi.org/10.1117/12.479682openalex-snapshot
BaffleText: a Human Interactive Proof
inferredcites →https://doi.org/10.1145/1054972.1055070openalex-snapshot
Designing human friendly human interaction proofs (HIPs)
inferredcites →https://doi.org/10.1145/1101149.1101218openalex-snapshot
IMAGINATION
inferredcites →https://doi.org/10.1145/1315245.1315291openalex-snapshot
Asirra
inferredcites →https://doi.org/10.1145/1411759.1411783openalex-snapshot
Making CAPTCHAs clickable
inferredcites →https://doi.org/10.1145/1455770.1455839openalex-snapshot
A low-cost attack on a Microsoft captcha
inferredcites →https://doi.org/10.1145/966389.966390openalex-snapshot
Telling humans and computers apart automatically
inferredcites →https://doi.org/10.25405/ncl.34130367openalex-snapshot
Is cheap labour behind the scene? - Low-cost automated attacks on Yahoo CAPTCHAs

What points at this work

Incoming claims: where this work appears in other papers’ reference lists and arguments.

inferred← citeshttps://doi.org/10.2139/ssrn.2829285openalex-extracted
Against Spyware Using CAPTCHA in Graphical Password Scheme
inferred← citeshttps://doi.org/10.2139/ssrn.4635870openalex-extracted
Robustness and User Test on Text-Based Captcha: Is Letter Segmenting Too Easy or Too Hard?
inferred← citeshttps://doi.org/10.2139/ssrn.4859126openalex-extracted
reGIFCAPTCHA: Revolutionizing User Interaction and Security in CAPTCHA Technology
inferred← citeshttps://doi.org/10.1002/cpe.5585openalex-snapshot
AR CAPTCHA: Recognizing robot by augmented reality
inferred← citeshttps://doi.org/10.1002/ett.3187openalex-snapshot
ReCAP: A distributed CAPTCHA service at the edge of the network to handle server overload
inferred← citeshttps://doi.org/10.1002/hfm.70007openalex-snapshot
Security and Usability Evaluation of Text‐Based Captchas on Mobile Interface
inferred← citeshttps://doi.org/10.1002/sec.1157openalex-snapshot
CAPTCHA and its Alternatives: A Review
inferred← citeshttps://doi.org/10.1002/sec.825openalex-snapshot
The design and implementation of a secure CAPTCHA against man‐in‐the‐middle attacks
inferred← citeshttps://doi.org/10.1007/978-3-030-11226-4_4openalex-snapshot
Predicting the Usability of the Dice CAPTCHA via Artificial Neural Network
inferred← citeshttps://doi.org/10.1007/978-3-030-19274-7_18openalex-snapshot
DotCHA: A 3D Text-Based Scatter-Type CAPTCHA
inferred← citeshttps://doi.org/10.1007/978-3-030-25109-3_4openalex-snapshot
A Simple Attack on CaptchaStar
inferred← citeshttps://doi.org/10.1007/978-3-030-29035-1_29openalex-snapshot
CAPTCHA Recognition Based on Kohonen Maps
inferred← citeshttps://doi.org/10.1007/978-3-030-54921-3_2openalex-snapshot
Resource Burning for Permissionless Systems (Invited Paper)
inferred← citeshttps://doi.org/10.1007/978-3-030-57043-9_3openalex-snapshot
Audio CAPTCHA with a Few Cocktails: It’s so Noisy I Can’t Hear You
inferred← citeshttps://doi.org/10.1007/978-3-030-99100-5_9openalex-snapshot
Usable Privacy and Security from the Perspective of Cognitive Abilities
inferred← citeshttps://doi.org/10.1007/978-3-031-65172-4_18openalex-snapshot
User Perceptions of CAPTCHAs: University vs. Internet Users
inferred← citeshttps://doi.org/10.1007/978-3-319-06320-1_6openalex-snapshot
A CAPTCHA Scheme Based on the Identification of Character Locations
inferred← citeshttps://doi.org/10.1007/978-3-319-07536-5_30openalex-snapshot
Polymorphism as a Defense for Automated Attack of Websites
inferred← citeshttps://doi.org/10.1007/978-3-319-14364-4_40openalex-snapshot
Automatic Identification of CAPTCHA Schemes
inferred← citeshttps://doi.org/10.1007/978-3-319-18467-8_24openalex-snapshot
Enhancing the Security of Image CAPTCHAs Through Noise Addition
inferred← citeshttps://doi.org/10.1007/978-3-319-27659-5_19openalex-snapshot
On the Viability of CAPTCHAs for use in Telephony Systems: A Usability Field Study
inferred← citeshttps://doi.org/10.1007/978-3-319-39555-5_33openalex-snapshot
CAPTCHaStar! A Novel CAPTCHA Based on Interactive Shape Discovery
inferred← citeshttps://doi.org/10.1007/978-3-319-40093-8_14openalex-snapshot
Usability Comparison of Text CAPTCHAs Based on English and Chinese
inferred← citeshttps://doi.org/10.1007/978-3-319-40548-3_78openalex-snapshot
SecureUse: Balancing Security and Usability Within System Design
inferred← citeshttps://doi.org/10.1007/978-3-319-45572-3_3openalex-snapshot
Sensor Captchas: On the Usability of Instrumenting Hardware Sensors to Prove Liveliness
inferred← citeshttps://doi.org/10.1007/978-3-319-54978-1_99openalex-snapshot
Match-the-Sound CAPTCHA
inferred← citeshttps://doi.org/10.1007/978-3-319-58469-0_19openalex-snapshot
EmojiTCHA: Using Emotion Recognition to Tell Computers and Humans Apart
inferred← citeshttps://doi.org/10.1007/978-3-319-63645-0_13openalex-snapshot
A Simple and Efficient Text-Based CAPTCHA Verification Scheme Using Virtual Keyboard
inferred← citeshttps://doi.org/10.1007/978-3-319-75928-9_80openalex-snapshot
An Examination of CAPTCHA for Tolerance of Relay Attacks and Automated Attacks
inferred← citeshttps://doi.org/10.1007/978-3-319-76451-1_24openalex-snapshot
Application of Pattern for New CAPTCHA Generation Idea
inferred← citeshttps://doi.org/10.1007/978-3-319-92081-8_9openalex-snapshot
QBP Notation for Explicit Representation of Properties, Their Refinement and Their Potential Conflicts: Application to Interactive Systems
inferred← citeshttps://doi.org/10.1007/978-3-319-93563-8_11openalex-snapshot
Breaking Text CAPTCHA by Repeated Information
inferred← citeshttps://doi.org/10.1007/978-3-642-02774-1_9openalex-snapshot
Accessibility of Registration Mechanisms in Social Networking Sites
inferred← citeshttps://doi.org/10.1007/978-3-642-13241-4_15openalex-snapshot
Analysis of Token and Ticket Based Mechanisms for Current VoIP Security Issues and Enhancement Proposal
inferred← citeshttps://doi.org/10.1007/978-3-642-15152-1openalex-snapshot
Trust, Privacy and Security in Digital Business, 7th International Conference, TrustBus 2010, Bilbao, Spain, August 30-31, 2010. Proceedings
inferred← citeshttps://doi.org/10.1007/978-3-642-15152-1_2openalex-snapshot
Attacking Image Recognition Captchas
inferred← citeshttps://doi.org/10.1007/978-3-642-17619-7_17openalex-snapshot
STE3D-CAP: Stereoscopic 3D CAPTCHA
inferred← citeshttps://doi.org/10.1007/978-3-642-25513-7_18openalex-snapshot
AniCAP: An Animated 3D CAPTCHA Scheme Based on Motion Parallax
inferred← citeshttps://doi.org/10.1007/978-3-642-27189-2_10openalex-snapshot
CLAPTCHA- A Novel Captcha
inferred← citeshttps://doi.org/10.1007/978-3-642-29101-2_12openalex-snapshot
Enhanced STE3D-CAP: A Novel 3D CAPTCHA Family
inferred← citeshttps://doi.org/10.1007/978-3-642-31149-9_16openalex-snapshot
Breaking reCAPTCHAs with Unpredictable Collapse: Heuristic Character Segmentation and Recognition
inferred← citeshttps://doi.org/10.1007/978-3-642-31284-7_2openalex-snapshot
Breaking an Animated CAPTCHA Scheme
inferred← citeshttps://doi.org/10.1007/978-3-642-31912-9_26openalex-snapshot
Breaking a 3D-Based CAPTCHA Scheme
inferred← citeshttps://doi.org/10.1007/978-3-642-35130-3_23openalex-snapshot
Attacking Image Based CAPTCHAs Using Image Recognition Techniques
inferred← citeshttps://doi.org/10.1007/978-3-642-35795-4_53openalex-snapshot
An Efficient Ellipse-Shaped Blobs Detection Algorithm for Breaking Facebook CAPTCHA
inferred← citeshttps://doi.org/10.1007/978-3-642-39062-3_26openalex-snapshot
Towards the Personalization of CAPTCHA Mechanisms Based on Individual Differences in Cognitive Processing
inferred← citeshttps://doi.org/10.1007/978-3-642-39345-7_8openalex-snapshot
Studying the Effect of Human Cognition on Text and Image Recognition CAPTCHA Mechanisms
inferred← citeshttps://doi.org/10.1007/978-3-642-39473-7_33openalex-snapshot
Scale Development to Measure Usability of Text-Based CAPTCHA
inferred← citeshttps://doi.org/10.1007/978-3-642-40498-6_28openalex-snapshot
On Users’ Preference on Localized vs. Latin-Based CAPTCHA Challenges
inferred← citeshttps://doi.org/10.1007/978-3-642-45204-8_16openalex-snapshot
Web Services Based Attacks against Image CAPTCHAs
inferred← citeshttps://doi.org/10.1007/978-3-662-53641-4_14openalex-snapshot
Binary AMD Circuits from Secure Multiparty Computation
inferred← citeshttps://doi.org/10.1007/978-981-10-7605-3_65openalex-snapshot
Recognizing the Adhesion Hollow Characters Based on the Closed Cutting Algorithm
inferred← citeshttps://doi.org/10.1007/978-981-13-1483-4_4openalex-snapshot
CAPTCHA Design and Security Issues
inferred← citeshttps://doi.org/10.1007/978-981-96-3284-8_21openalex-snapshot
Implementation in Video Captcha Using Balancing and Security Methods
inferred← citeshttps://doi.org/10.1007/978-981-97-1274-8_26openalex-snapshot
Is It Really You Who Forgot the Password? When Account Recovery Meets Risk-Based Authentication
inferred← citeshttps://doi.org/10.1007/s00371-010-0469-3openalex-snapshot
A new image-based CAPTCHA using the orientation of the polygonally cropped sub-images
inferred← citeshttps://doi.org/10.1007/s00530-018-0589-6openalex-snapshot
Association rule mining for the usability of the CAPTCHA interfaces: a new study of multimedia systems
inferred← citeshttps://doi.org/10.1007/s10209-009-0171-2openalex-snapshot
Accessible privacy and security: a universally usable human-interaction proof tool
inferred← citeshttps://doi.org/10.1007/s10209-021-00799-yopenalex-snapshot
Significance of culture toward the usability of web design and its relationship with satisfaction
inferred← citeshttps://doi.org/10.1007/s11042-013-1823-zopenalex-snapshot
A computer vision attack on the ARTiFACIAL CAPTCHA
inferred← citeshttps://doi.org/10.1007/s11042-020-10054-wopenalex-snapshot
An investigation of the usability of image-based CAPTCHAs using PROMETHEE-GAIA method
inferred← citeshttps://doi.org/10.1007/s11042-023-15586-5openalex-snapshot
Practicality analysis of utilizing text-based CAPTCHA vs. graphic-based CAPTCHA authentication
inferred← citeshttps://doi.org/10.1016/b978-0-12-385510-7.00003-5openalex-snapshot
CAPTCHAs
inferred← citeshttps://doi.org/10.1016/j.cose.2009.11.003openalex-snapshot
Hybrid spam filtering for mobile communication
inferred← citeshttps://doi.org/10.1016/j.cose.2009.12.003openalex-snapshot
Audio CAPTCHA: Existing solutions assessment and a new implementation for VoIP telephony
inferred← citeshttps://doi.org/10.1016/j.cose.2016.03.007openalex-snapshot
Development of two novel face-recognition CAPTCHAs: A security and usability study
inferred← citeshttps://doi.org/10.1016/j.cose.2019.101635openalex-snapshot
Is image-based CAPTCHA secure against attacks based on machine learning? An experimental study
inferred← citeshttps://doi.org/10.1016/j.displa.2010.12.004openalex-snapshot
Usability study of text-based CAPTCHAs
inferred← citeshttps://doi.org/10.1016/j.ergon.2018.12.003openalex-snapshot
Empirical studies to investigate the usability of text- and image-based CAPTCHAs
inferred← citeshttps://doi.org/10.1016/j.future.2012.08.013openalex-snapshot
FaceDCAPTCHA: Face detection based color image CAPTCHA
inferred← citeshttps://doi.org/10.1016/j.future.2014.11.004openalex-snapshot
ADAMAS: Interweaving unicode and color to enhance CAPTCHA security
inferred← citeshttps://doi.org/10.1016/j.ijhcs.2015.07.002openalex-snapshot
Do human cognitive differences in information processing affect preference and performance of CAPTCHA?
inferred← citeshttps://doi.org/10.1016/j.jpdc.2020.03.020openalex-snapshot
Efficient and secure flash-based gaming CAPTCHA
inferred← citeshttps://doi.org/10.1016/j.neucom.2019.08.109openalex-snapshot
A survey of CAPTCHA technologies to distinguish between human and computer
inferred← citeshttps://doi.org/10.1016/j.procs.2015.07.381openalex-snapshot
Designing a Secure Text-based CAPTCHA
inferred← citeshttps://doi.org/10.1049/iet-ifs.2014.0381openalex-snapshot
Robustness of text‐based completely automated public turing test to tell computers and humans apart
inferred← citeshttps://doi.org/10.1049/iet-net.2011.0019openalex-snapshot
Preserving user‐participation for insecure network communications with CAPTCHA and visual secret sharing technique
inferred← citeshttps://doi.org/10.1080/0144929x.2014.898793openalex-snapshot
Investigating the effects of sound masking on the use of audio CAPTCHAs
inferred← citeshttps://doi.org/10.1080/10447318.2015.1038124openalex-snapshot
μcaptcha: Human Interaction Proofs Tailored to Touch-Capable Devices via Math Handwriting
inferred← citeshttps://doi.org/10.1108/07378831111116994openalex-snapshot
Library blogs and user participation: a survey about comment spam in library blogs
inferred← citeshttps://doi.org/10.1108/ics-07-2014-0046openalex-snapshot
Privacy-preserving, user-centric VoIP CAPTCHA challenges
inferred← citeshttps://doi.org/10.1109/access.2020.2982945openalex-snapshot
Simple and Easy: Transfer Learning-Based Attacks to Text CAPTCHA
inferred← citeshttps://doi.org/10.1109/access.2021.3137360openalex-snapshot
PoPL: Proof-of-Presence and Locality, or How to Secure Financial Transactions on Your Smartphone
inferred← citeshttps://doi.org/10.1109/aicai.2019.8701317openalex-snapshot
Explaining the Workings Principle of Cloud-based Multi-factor Authentication Architecture on Banking Sectors
inferred← citeshttps://doi.org/10.1109/aina.2010.46openalex-snapshot
Against Spyware Using CAPTCHA in Graphical Password Scheme
inferred← citeshttps://doi.org/10.1109/anti-cybercrime.2017.7905268openalex-snapshot
Evaluating robustness of Arabic CAPTCHAs
inferred← citeshttps://doi.org/10.1109/ares.2011.114openalex-snapshot
Optimising CAPTCHA Generation
inferred← citeshttps://doi.org/10.1109/asens69964.2026.11605214openalex-snapshot
A Novel Slider CAPTCHA Defense Mechanism Based on Visual Feature Confusion and 2D Interaction
inferred← citeshttps://doi.org/10.1109/c4d65382.2025.11306462openalex-snapshot
A Comparative Study of YOLOv3 and YOLOv10 for hCAPTCHA Challenge Solving
inferred← citeshttps://doi.org/10.1109/ccem.2012.6354589openalex-snapshot
A New Scheme for Mobile Based CAPTCHA Service on Cloud
inferred← citeshttps://doi.org/10.1109/ccst.2015.7389666openalex-snapshot
Security considerations in ITRI cloud OS
inferred← citeshttps://doi.org/10.1109/cgames.2011.6000336openalex-snapshot
Playful security: A computer game for secure wireless device pairing
inferred← citeshttps://doi.org/10.1109/cit.2010.117openalex-snapshot
Detecting the Orientation of N-gonal Cropped Sub-images and Its Application
inferred← citeshttps://doi.org/10.1109/cns.2013.6682692openalex-snapshot
NOMAD: Towards non-intrusive moving-target defense against web bots
inferred← citeshttps://doi.org/10.1109/csa.2013.53openalex-snapshot
An Improved CAPTCHA Based on Chinese Characters
inferred← citeshttps://doi.org/10.1109/csss.2012.159openalex-snapshot
Design and Improvement of Chinese CAPTCHA Based on Mathematical Expression
inferred← citeshttps://doi.org/10.1109/cw.2010.48openalex-snapshot
CAPTCHA Challenges for Massively Multiplayer Online Games: Mini-game CAPTCHAs
inferred← citeshttps://doi.org/10.1109/dese.2015.23openalex-snapshot
CAPTCHA Usability and Performance, How to Measure the Usability Level of Human Interactive Applications Quantitatively and Qualitatively?
inferred← citeshttps://doi.org/10.1109/eic.2015.7230731openalex-snapshot
CAPTCHA: A robust approach to resist online password guessing attacks
inferred← citeshttps://doi.org/10.1109/eic.2015.7230732openalex-snapshot
A new avatar dynamic image based CAPTCHA service on cloud for Mobile devices
inferred← citeshttps://doi.org/10.1109/globecom46510.2021.9685046openalex-snapshot
Adversarial Text-Based CAPTCHA Generation Method Utilizing Spatial Smoothing
inferred← citeshttps://doi.org/10.1109/iadcc.2009.4809201openalex-snapshot
Sequenced Tagged Captcha: Generation and its Analysis
inferred← citeshttps://doi.org/10.1109/icacci.2015.7275789openalex-snapshot
Directional captcha: A novel approach to text based CAPTCHA
inferred← citeshttps://doi.org/10.1109/icadcs70036.2026.11583022openalex-snapshot
Strengthening Text CAPTCHA Defenses Through ML-Based Framework
inferred← citeshttps://doi.org/10.1109/icaecc.2014.7002384openalex-snapshot
Service framework for dynamic multilingual CAPTCHA challenges: IN-CAPTCHA
inferred← citeshttps://doi.org/10.1109/icassp.2018.8461764openalex-snapshot
A Captcha Design Based on Visual Reasoning
inferred← citeshttps://doi.org/10.1109/icatmri51801.2020.9398494openalex-snapshot
CAPTCHA: A Systematic Review
inferred← citeshttps://doi.org/10.1109/icci-cc.2014.6921454openalex-snapshot
Design of a Human Interaction Proof (HIP) using human cognition in contextual natural conversation
inferred← citeshttps://doi.org/10.1109/iccic.2012.6510223openalex-snapshot
Usability aspects of HCI in the design of CAPTCHAs
inferred← citeshttps://doi.org/10.1109/iccit.2009.105openalex-snapshot
Execution Time Prediction for 3D Interactive CAPTCHA by Keystroke Level Model
inferred← citeshttps://doi.org/10.1109/iccke.2015.7365816openalex-snapshot
CAPTCHAs, are those needed anymore?
inferred← citeshttps://doi.org/10.1109/iccs.2012.18openalex-snapshot
CAPTCHINO - A Gamification of Image-Based CAPTCHAs to Evaluate Usability Issues
inferred← citeshttps://doi.org/10.1109/iccs.2012.20openalex-snapshot
Complexity Analysis of Image-Based CAPTCHA
inferred← citeshttps://doi.org/10.1109/iccse.2012.33openalex-snapshot
Use of Human Cognition in HIP Design Via EmotIcons to Defend BOT Attacks
inferred← citeshttps://doi.org/10.1109/iccsn.2011.6014761openalex-snapshot
The vulnerabilities and status of CAPTCHAs
inferred← citeshttps://doi.org/10.1109/iccsn.2016.7586608openalex-snapshot
Recognition based segmentation of connected characters in text based CAPTCHAs
inferred← citeshttps://doi.org/10.1109/icenco.2016.7856462openalex-snapshot
Securing Online Social Networks against bad Bots based on a Necklace CAPTCHA approach
inferred← citeshttps://doi.org/10.1109/icetes68504.2026.11518987openalex-snapshot
From Client-Side to Server-Side: Rethinking Web Security in the Age of Multimodal AI
inferred← citeshttps://doi.org/10.1109/icices.2013.6508230openalex-snapshot
Defenses to curb online password guessing attacks
inferred← citeshttps://doi.org/10.1109/icis.2012.19openalex-snapshot
A Study of Human Bio-detection Function under Text-Based CAPTCHA System
inferred← citeshttps://doi.org/10.1109/icisa.2014.6847359openalex-snapshot
Notice of Violation of IEEE Publication Principles - An Implementation of a Geometric and Arithmetic CAPTCHA without Database
inferred← citeshttps://doi.org/10.1109/icitst.2009.5435097openalex-snapshot
Sequenced picture captcha: generation and its strength analysis
inferred← citeshttps://doi.org/10.1109/icmlas67792.2026.11483948openalex-snapshot
Improving CAPTCHA Effectiveness and Accessibility for UIDAI Through Machine Learning
inferred← citeshttps://doi.org/10.1109/icnp.2014.106openalex-snapshot
MetaCAPTCHA: A Metamorphic Throttling Service for the Web
inferred← citeshttps://doi.org/10.1109/icoin48656.2020.9016522openalex-snapshot
Detection of Bots in CAPTCHA as a Cloud Service Utilizing Machine Learning
inferred← citeshttps://doi.org/10.1109/icoin50884.2021.9333881openalex-snapshot
Precursory Analysis of Attack-Log Time Series by Machine Learning for Detecting Bots in CAPTCHA
inferred← citeshttps://doi.org/10.1109/imsna.2013.6743397openalex-snapshot
A novel dynamic CAPTCHA based on inverted colors
inferred← citeshttps://doi.org/10.1109/indcon.2009.5409359openalex-snapshot
Drag and Drop: A Better Approach to CAPTCHA
inferred← citeshttps://doi.org/10.1109/indicon.2017.8487993openalex-snapshot
Automatic Ranking of CAPTCHAs based on Usability Measures
inferred← citeshttps://doi.org/10.1109/isbast.2012.17openalex-snapshot
A Spelling Based CAPTCHA System by Using Click
inferred← citeshttps://doi.org/10.1109/iv.2009.48openalex-snapshot
Securing the Web Using Human Perception and Visual Object Interpretation
inferred← citeshttps://doi.org/10.1109/mc.2010.275openalex-snapshot
Captcha Robustness: A Security Engineering Perspective
inferred← citeshttps://doi.org/10.1109/mic.2011.102openalex-snapshot
CAPTCHA Design: Color, Usability, and Security
inferred← citeshttps://doi.org/10.1109/mitp.2015.79openalex-snapshot
Human-Cognition-Based CAPTCHAs
inferred← citeshttps://doi.org/10.1109/ndt.2009.5272150openalex-snapshot
Overlapping variants of sequenced tagged captcha (STC): Generation and their comparative analysis
inferred← citeshttps://doi.org/10.1109/pci.2010.17openalex-snapshot
When Security Meets Usability: A User-Centric Approach on a Crossroads Priority Problem
inferred← citeshttps://doi.org/10.1109/smc.2017.8122747openalex-snapshot
A fluid human interactive proof in virtual environment
inferred← citeshttps://doi.org/10.1109/sp54263.2024.00200openalex-snapshot
C-Frame: Characterizing and measuring in-the-wild CAPTCHA attacks
inferred← citeshttps://doi.org/10.1109/syssec.2011.34openalex-snapshot
System Security Research at Newcastle
inferred← citeshttps://doi.org/10.1109/tdsc.2011.24openalex-snapshot
Revisiting Defenses against Large-Scale Online Password Guessing Attacks
inferred← citeshttps://doi.org/10.1109/tdsc.2013.52openalex-snapshot
Security Analysis and Related Usability of Motion-Based CAPTCHAs: Decoding Codewords in Motion
inferred← citeshttps://doi.org/10.1109/tdsc.2025.3641953openalex-snapshot
Enhancing the Security of Large Character Set CAPTCHAs Using Transferable Adversarial Examples
inferred← citeshttps://doi.org/10.1109/tencon.2016.7848042openalex-snapshot
Annulus: A novel image-based CAPTCHA scheme
inferred← citeshttps://doi.org/10.1109/tifs.2017.2682704openalex-snapshot
Research on the Security of Microsoft’s Two-Layer Captcha
inferred← citeshttps://doi.org/10.1109/tifs.2017.2718479openalex-snapshot
No Bot Expects the DeepCAPTCHA! Introducing Immutable Adversarial Examples, With Applications to CAPTCHA Generation
inferred← citeshttps://doi.org/10.1109/tifs.2018.2821096openalex-snapshot
Research on Deep Learning Techniques in Breaking Text-Based Captchas and Designing Image-Based Captcha
inferred← citeshttps://doi.org/10.1109/trustcom.2012.131openalex-snapshot
Divide and Conquer: An Efficient Attack on Yahoo! CAPTCHA
inferred← citeshttps://doi.org/10.1109/trustcom/bigdatase.2019.00020openalex-snapshot
A Survey of Research on CAPTCHA Designing and Breaking Techniques
inferred← citeshttps://doi.org/10.1109/trustcom53373.2021.00092openalex-snapshot
A Semi-supervised Deep Learning-Based Solver for Breaking Text-Based CAPTCHAs
inferred← citeshttps://doi.org/10.1109/waina.2013.94openalex-snapshot
A DDoS Mitigation System with Multi-stage Detection and Text-Based Turing Testing in Cloud Computing
inferred← citeshttps://doi.org/10.1109/wocn.2013.6616188openalex-snapshot
Cursor CAPTCHA — Implementing CAPTCHA using mouse cursor
inferred← citeshttps://doi.org/10.1111/jcc4.12020openalex-snapshot
Enhancing Online Community Activity: Development and validation of the CA framework
inferred← citeshttps://doi.org/10.1145/1455770.1455839openalex-snapshot
A low-cost attack on a Microsoft captcha
inferred← citeshttps://doi.org/10.1145/1526709.1526822openalex-snapshot
What's up CAPTCHA?
inferred← citeshttps://doi.org/10.1145/1542207.1542220openalex-snapshot
Usability meets access control
inferred← citeshttps://doi.org/10.1145/1572532.1572551openalex-snapshot
Balancing usability and security in a video CAPTCHA
inferred← citeshttps://doi.org/10.1145/1600150.1600167openalex-snapshot
CAPTCHA-based image labeling on the Soylent Grid
inferred← citeshttps://doi.org/10.1145/1621995.1622039openalex-snapshot
Enhancing research into usable privacy and security
inferred← citeshttps://doi.org/10.1145/1654988.1654994openalex-snapshot
Captcha-free throttling
inferred← citeshttps://doi.org/10.1145/1752046.1752052openalex-snapshot
The robustness of a new CAPTCHA
inferred← citeshttps://doi.org/10.1145/1755688.1755736openalex-snapshot
Scene tagging
inferred← citeshttps://doi.org/10.1145/1786774.1786776openalex-snapshot
Towards A Universally Usable Human Interaction Proof
inferred← citeshttps://doi.org/10.1145/1866307.1866329openalex-snapshot
Attacks and design of image recognition CAPTCHAs
inferred← citeshttps://doi.org/10.1145/1920261.1920288openalex-snapshot
Breaking e-banking CAPTCHAs
inferred← citeshttps://doi.org/10.1145/1953005.1953008openalex-snapshot
DevilTyper
inferred← citeshttps://doi.org/10.1145/1978942.1979325openalex-snapshot
On the necessity of user-friendly CAPTCHA
inferred← citeshttps://doi.org/10.1145/1980022.1980086openalex-snapshot
Mitigating denial of service attack using CAPTCHA mechanism
inferred← citeshttps://doi.org/10.1145/2074712.2074745openalex-snapshot
Stimulation of activity in online communities
inferred← citeshttps://doi.org/10.1145/2076732.2076766openalex-snapshot
SEMAGE
inferred← citeshttps://doi.org/10.1145/2184305.2184318openalex-snapshot
kaPoW plugins
inferred← citeshttps://doi.org/10.1145/2491845.2491867openalex-snapshot
An empirical study on efficiency and effectiveness of localized vs. Latin-based CAPTCHA challenges
inferred← citeshttps://doi.org/10.1145/2508859.2516732openalex-snapshot
The robustness of hollow CAPTCHAs
inferred← citeshttps://doi.org/10.1145/2525194.2525265openalex-snapshot
On the viability of CAPTCHAs for use in telephony systems
inferred← citeshttps://doi.org/10.1145/2556288.2557322openalex-snapshot
Easy does it
inferred← citeshttps://doi.org/10.1145/2557642.2557653openalex-snapshot
DeepCAPTCHA
inferred← citeshttps://doi.org/10.1145/2567948.2577300openalex-snapshot
3DOC
inferred← citeshttps://doi.org/10.1145/2567948.2577305openalex-snapshot
Localized CAPTCHA testing on users and farms
inferred← citeshttps://doi.org/10.1145/2590296.2590298openalex-snapshot
A three-way investigation of a game-CAPTCHA
inferred← citeshttps://doi.org/10.1145/2684200.2684330openalex-snapshot
An Empirical Pilot Study of CAPTCHA Complexity Using Eye Tracking
inferred← citeshttps://doi.org/10.1145/2702613.2732515openalex-snapshot
Captchat
inferred← citeshttps://doi.org/10.1145/2746194.2746205openalex-snapshot
Detecting abnormal user behavior through pattern-mining input device analytics
inferred← citeshttps://doi.org/10.1145/2783446.2783578openalex-snapshot
A gesture-based CAPTCHA design supporting mobile devices
inferred← citeshttps://doi.org/10.1145/2783446.2783583openalex-snapshot
Heuristics for the evaluation of captchas on smartphones
inferred← citeshttps://doi.org/10.1145/2991079.2991083openalex-snapshot
A security analysis of automated chinese turing tests
inferred← citeshttps://doi.org/10.1145/3011883.3011892openalex-snapshot
Trusted execution environment-based authentication gauge (TEEBAG)
inferred← citeshttps://doi.org/10.1145/3014588openalex-snapshot
ACE
inferred← citeshttps://doi.org/10.1145/3128572.3140443openalex-snapshot
In (Cyber)Space Bots Can Hear You Speak
inferred← citeshttps://doi.org/10.1145/3290605.3300836openalex-snapshot
Designing User Interface Elements to Improve the Quality and Civility of Discourse in Online Commenting Behaviors
inferred← citeshttps://doi.org/10.1145/3366423.3380166openalex-snapshot
A Generic Solver Combining Unsupervised Learning and Representation Learning for Breaking Text-Based Captchas
inferred← citeshttps://doi.org/10.1145/3384544.3384584openalex-snapshot
Combining Movement Model with Finger-Stroke Level Model Towards Designing a Security Enhancing Mobile Friendly CAPTCHA
inferred← citeshttps://doi.org/10.1145/3396374openalex-snapshot
Foundations, Properties, and Security Applications of Puzzles
inferred← citeshttps://doi.org/10.1145/3412815.3416895openalex-snapshot
StyleCAPTCHA
inferred← citeshttps://doi.org/10.1145/3589334.3645619openalex-snapshot
The Matter of Captchas: An Analysis of a Brittle Security Feature on the Modern Web
inferred← citeshttps://doi.org/10.1155/2021/8842420openalex-snapshot
The Role of Visual Features in Text‐Based CAPTCHAs: An fNIRS Study for Usable Security
inferred← citeshttps://doi.org/10.1155/2021/9930608openalex-snapshot
Augmented Data Selector to Initiate Text-Based CAPTCHA Attack
inferred← citeshttps://doi.org/10.11606/d.18.2013.tde-12092013-094137openalex-snapshot
As fraudes no Internet Banking e sua evolução para o Social Banking
inferred← citeshttps://doi.org/10.13052/jwe1540-9589.1884openalex-snapshot
DotCHA: An Interactive 3D Text-based CAPTCHA
inferred← citeshttps://doi.org/10.14210/cotb.v13.p006-013openalex-snapshot
A Usability Study on the Perception of Elderly Users Interacting with CAPTCHAs
inferred← citeshttps://doi.org/10.14236/ewic/hci2017.92openalex-snapshot
Designing Mobile Friendly CAPTCHAs: An Exploratory Study
inferred← citeshttps://doi.org/10.14236/ewic/hci2018.187openalex-snapshot
Psychogeography With Technology
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