{"id":"W2161176359","doi":"10.1145/2535813.2535822","title":"Explicit authentication response considered harmful","year":2013,"lang":"en","type":"article","venue":"","topic":"User Authentication and Security Systems","field":"Computer Science","cited_by":15,"is_retracted":false,"has_abstract":true,"ca_institutions":"Concordia University","funders":"Natural Sciences and Engineering Research Council of Canada; Concordia University","keywords":"Computer science; Computer security; Password; Multi-factor authentication; Authentication (law); Botnet; CAPTCHA; Authentication protocol; World Wide Web; The Internet","routes":{"ca_aff":true,"ca_fund":true,"ca_venue":false,"about_ca":false,"invisible_to_affiliation_only":false},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.006982504,0.001524163,0.0009076881,0.001072885,0.002555549,0.004395985,0.001765748,0.004615004,0.04166642],"category_scores_gemma":[0.04377648,0.00041731,0.0007389994,0.0008198168,0.003048355,0.005904093,0.005911043,0.00345083,0.02169651],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.001410919,"about_ca_system_score_gemma":0.001712868,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0007576849,"about_ca_topic_score_gemma":0.0007748142,"domain_scores_codex":[0.9827999,0.00675553,0.001503186,0.002356594,0.004552937,0.002031874],"domain_scores_gemma":[0.9378833,0.01893795,0.006203186,0.02307174,0.01213809,0.001765921],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"design_other","study_design_gemma":"theoretical_or_conceptual","study_design_scores_codex":[0.002089766,0.0006118741,0.01923053,0.001642091,0.0002585803,0.002787122,0.004967528,0.008450182,0.04208543,0.2613304,0.1746166,0.4819299],"study_design_scores_gemma":[0.0001800981,0.0009818822,0.00919942,0.001274952,0.0003155754,0.006325612,0.004175266,0.0480749,0.04153354,0.2273457,0.6601921,0.0004010418],"study_design_candidate":"theoretical_or_conceptual","study_design_consensus":null,"genre_codex":"methods","genre_gemma":"commentary","genre_scores_codex":[0.1520201,0.003680161,0.428358,0.02362965,0.008305416,0.001672578,0.001595725,0.01460597,0.3661324],"genre_scores_gemma":[0.8289621,0.0008509356,0.04674256,0.009005758,0.001194066,0.0005780361,0.0008763715,0.001135774,0.1106544],"genre_candidate":"commentary","genre_consensus":null,"teacher_disagreement_score":0.04166642,"threshold_uncertainty_score":0.1393881,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01453932785394114,"score_gpt":0.2255435394633617,"score_spread":0.2110042116094205,"validation_status":"score_only:v0-immature-baseline","note":"Baseline scores from an immature model (maturity gate not passed). Scores rank; they never assert a category."}}