{"title":"Computational Statistics and Mathematics for Cyber-Security","authors":"D. Marchette","doi":"10.1142/9781786345646_002","DOIUrl":"https://doi.org/10.1142/9781786345646_002","url":null,"abstract":"","PeriodicalId":319232,"journal":{"name":"Security Science and Technology","volume":"6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-09-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127349915","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Bayesian Activity Modelling for Network Flow Data","authors":"H. Clausen, M. Briers, N. Adams","doi":"10.1142/9781786345646_003","DOIUrl":"https://doi.org/10.1142/9781786345646_003","url":null,"abstract":"","PeriodicalId":319232,"journal":{"name":"Security Science and Technology","volume":"8 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-09-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115255343","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Large-scale Analogue Measurements and Analysis for Cyber-Security","authors":"G. Cybenko, G. Raz","doi":"10.1142/9781786345646_011","DOIUrl":"https://doi.org/10.1142/9781786345646_011","url":null,"abstract":"","PeriodicalId":319232,"journal":{"name":"Security Science and Technology","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-09-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131067304","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Nick Heard, N. Adams, Patrick Rubin-Delanchy, Melissa J. M. Turcotte
{"title":"BACK MATTER","authors":"Nick Heard, N. Adams, Patrick Rubin-Delanchy, Melissa J. M. Turcotte","doi":"10.1142/9781786345646_bmatter","DOIUrl":"https://doi.org/10.1142/9781786345646_bmatter","url":null,"abstract":"","PeriodicalId":319232,"journal":{"name":"Security Science and Technology","volume":"23 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-09-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133739511","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Alejandro Correa Bahnsen, Sergio Villegas, Djamila Aouada, B. Ottersten
{"title":"Fraud Detection by Stacking Cost-Sensitive Decision Trees","authors":"Alejandro Correa Bahnsen, Sergio Villegas, Djamila Aouada, B. Ottersten","doi":"10.1142/9781786345646_012","DOIUrl":"https://doi.org/10.1142/9781786345646_012","url":null,"abstract":"Worldwide, billions of euros are lost every year due to credit card fraud. Increasingly, fraud has diversified to different digital channels, including mobile and online payments, creating new challenges as innovative new fraud patterns emerge. Hence, it remains challenging to find effective methods of mitigating fraud. Existing solutions include simple if-then rules and classical machine learning algorithms. Credit card fraud is by definition an example-dependent and cost-sensitive classification problem, in which the costs due to misclassification vary between examples and not only within classes, i.e., misclassifying a fraudulent transaction may have a financial impact ranging from a few to thousands of euros. In this paper, we propose an extension to the cost-sensitive decision trees algorithm, by creating an ensemble of such trees, and combining them using a stacking approach with a cost-sensitive logistic regression. We compare our method with standard machine learning algorithms and state-of-the-art cost-sensitive classification methods using a real credit card fraud dataset provided by a large European card processing company. The results show that our method achieves savings of up to 73.3%, more than 2 percentage points more than a single cost-sensitive decision tree.","PeriodicalId":319232,"journal":{"name":"Security Science and Technology","volume":"126 5 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-09-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124228515","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Stochastic Block Models as an Unsupervised Approach to Detect Botnet-Infected Clusters in Networked Data","authors":"M. P. Roeling, G. Nicholls","doi":"10.1142/9781786345646_008","DOIUrl":"https://doi.org/10.1142/9781786345646_008","url":null,"abstract":"","PeriodicalId":319232,"journal":{"name":"Security Science and Technology","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-09-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129338153","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Classification of Red Team Authentication Events in an Enterprise Network","authors":"John M. Conroy","doi":"10.1142/9781786345646_009","DOIUrl":"https://doi.org/10.1142/9781786345646_009","url":null,"abstract":"","PeriodicalId":319232,"journal":{"name":"Security Science and Technology","volume":"73 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-09-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122227221","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Anomaly Detection on User-Agent Strings","authors":"Eirini Spyropoulou, J. Noble, C. Anagnostopoulos","doi":"10.1142/9781786345646_006","DOIUrl":"https://doi.org/10.1142/9781786345646_006","url":null,"abstract":"","PeriodicalId":319232,"journal":{"name":"Security Science and Technology","volume":"19 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-09-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125556851","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Weakly Supervised Learning: How to Engineer Labels for Machine Learning in Cyber-Security","authors":"C. Anagnostopoulos","doi":"10.1142/9781786345646_010","DOIUrl":"https://doi.org/10.1142/9781786345646_010","url":null,"abstract":"","PeriodicalId":319232,"journal":{"name":"Security Science and Technology","volume":"10 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-09-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122710539","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Nick Heard, N. Adams, Patrick Rubin-Delanchy, Melissa J. M. Turcotte
{"title":"FRONT MATTER","authors":"Nick Heard, N. Adams, Patrick Rubin-Delanchy, Melissa J. M. Turcotte","doi":"10.1142/9781786345646_fmatter","DOIUrl":"https://doi.org/10.1142/9781786345646_fmatter","url":null,"abstract":"","PeriodicalId":319232,"journal":{"name":"Security Science and Technology","volume":"42 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-09-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115007827","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}