Mostrando ítems 21-40 de 40

    • Fostering the Family-School Relationship with a Web-Based Application 

      Pérez-Navarro, Jesús; Padilla-Zea, Natalia ; Sicilia, Juan Antonio ; Orcos, Lara (Communications in Computer and Information Science, 2019)
      This work describes the design of a Web application that allows not only the communication of families with schools but also their immersion in the learning process of their children, so they can contribute in its mediation. ...
    • Hybrid Security Assessment Methodology for Web Applications 

      Correa, Roddy A.; Bermejo Higuera, Juan Ramón ; Bermejo-Higuera, Javier ; Sicilia, Juan Antonio ; Sánchez Rubio, Manuel ; Magreñán, Á. Alberto (CMES-Computer Modeling in Engineering & Sciences, 2021)
      This study presents a methodology to evaluate and prevent security vulnerabilities issues for web applications. The analysis process is based on the use of techniques and tools that allow to perform security assessments ...
    • Implementation and Security Test of Zero-Knowledge Protocols on SSI Blockchain 

      Vilchez Moya, Cristina; Bermejo Higuera, Juan Ramón; Bermejo-Higuera, Javier; Sicilia, Juan Antonio (Applied Sciences (Switzerland), 2023)
      The problem of digital identity acquires more relevance every day in the eyes of a society that spends more and more time connected to the Internet. It has evolved throughout its history to reach a decentralized model known ...
    • Improving the domain of parameters for Newton's method with applications 

      Argyros, Ioannis K; Magreñán, Á. Alberto ; Sicilia, Juan Antonio (Journal of Computational and Applied Mathematics, 07/2017)
      We present a new technique to improve the convergence domain for Newton’s method both in the semilocal and local case. It turns out that with the new technique the sufficient convergence conditions for Newton’s method are ...
    • Local convergence and the dynamics of a family of high convergence order method for solving nonlinear equations 

      Magreñán, Á. Alberto ; Argyros, Ioannis K; Sarría, Íñigo ; Sicilia, Juan Antonio (AIP Conference Proceedings, 2018)
      We present the local convergence analysis and the study of the dynamics of a higher order iterative method in order to approximate a locally unique solution of multiplicity greater than one of a nonlinear equation. The ...
    • Local convergence of a relaxed two-step Newton like method with applications 

      Argyros, Ioannis K; Magreñán, Á. Alberto ; Orcos, Lara ; Sicilia, Juan Antonio (Journal of Mathematical Chemistry, 08/2017)
      We present a local convergence analysis for a relaxed two-step Newton-like method. We use this method to approximate a solution of a nonlinear equation in a Banach space setting. Hypotheses on the first Fr,chet derivative ...
    • MMALE a methodology for malware analysis in linux environments 

      de Vicente Mohino, José Javier ; Bermejo-Higuera, Javier; Bermejo Higuera, Juan Ramón; Sicilia, Juan Antonio ; Sánchez Rubio, Manuel ; Martínez Herraiz, José-Javier (Computers, materials and continua, 2021)
      In a computer environment, an operating systemis prone to malware, and even the Linux operating system is not an exception. In recent years, malware has evolved, and attackers have becomemore qualified compared to a fewyears ...
    • New improved convergence analysis for Newton-like methods with applications 

      Magreñán, Á. Alberto ; Argyros, Ioannis K; Sicilia, Juan Antonio (Journal of Mathematical Chemistry, 08/2017)
      We present a new semilocal convergence analysis for Newton-like methods using restricted convergence domains in a Banach space setting. The main goal of this study is to expand the applicability of these methods in cases ...
    • On Attacking Kerberos Authentication Protocol in Windows Active Directory Services: A Practical Survey 

      Díaz Motero, Carlos ; Bermejo Higuera, Juan Ramón ; Bermejo-Higuera, Javier ; Sicilia, Juan Antonio ; Gámez, Nádia (Institute of Electrical and Electronics Engineers Inc., 2021)
      Organizations use Active Directory Windows service to authenticate users in a network with the extended Kerberos Authentication protocol. Therefore, it is necessary to investigate its resistance to the different types of ...
    • On Combining Static, Dynamic and Interactive Analysis Security Testing Tools to Improve OWASP Top Ten Security Vulnerability Detection in Web Applications 

      Mateo Tudela, Francesc ; Bermejo Higuera, Juan Ramón ; Bermejo-Higuera, Javier ; Sicilia, Juan Antonio ; Argyros, Michael I (Applied Sciences-Basel, 12/2020)
      The design of the techniques and algorithms used by the static, dynamic and interactive security testing tools differ. Therefore, each tool detects to a greater or lesser extent each type of vulnerability for which they ...
    • Prevention and fighting against web attacks through anomaly detection technology. A systematic review 

      Sureda Riera, Tomás; Bermejo Higuera, Juan Ramón ; Bermejo-Higuera, Javier ; Martínez Herraiz, José-Javier; Sicilia, Juan Antonio (Sustainability (Switzerland), 01/06/2020)
      Numerous techniques have been developed in order to prevent attacks on web servers. Anomaly detection techniques are based on models of normal user and application behavior, interpreting deviations from the established ...
    • Solving a long-distance routing problem using ant colony optimization 

      Sicilia, Juan Antonio ; Oliveros, María-José; Larrodé, Emilio; Royo, Beatriz (Applied Mathematics and Information Sciences, 2015)
      This paper presents a mathematical model and an algorithm based on ant colony optimization to solve a long distance routing problems. The size of freight is relatively small, which uses Last In First Out “LIFO” policy and ...
    • Study of Factors Affecting the Choice Modal of Transportation in an Urban Environment Using Analytic Hierarchy Process 

      Fraile, Alberto ; Sicilia, Juan Antonio ; González-Crespo, Rubén ; González, Alfonso (Communications in Computer and Information Science, 2016)
      In modern economies it is essential a proper system of transport that enables population mobility and consequent accessibility to services. However, its current configuration is causing strong negative externalities and ...
    • Study of local convergence and dynamics of a king-like two-step method with applications 

      Argyros, Ioannis K; Magreñán, Á. Alberto; Moysi, Alejandro; Sarría, Íñigo ; Sicilia, Juan Antonio (Mathematics, 01/07/2020)
      In this paper, we present the local results of the convergence of the two-step King-like method to approximate the solution of nonlinear equations. In this study, we only apply conditions to the first derivative, because ...
    • Systematic Approach for Web Protection Runtime Tools’ Effectiveness Analysis 

      Sureda Riera, Tomás; Bermejo Higuera, Juan Ramón; Bermejo-Higuera, Javier; Sicilia, Juan Antonio; Martínez Herraiz, José-Javier (CMES - Computer Modeling in Engineering and Sciences, 2022)
      Web applications represent one of the principal vehicles by which attackers gain access to an organization’s network or resources. Thus, different approaches to protect web applications have been proposed to date. Of them, ...
    • Systematic Approach to Malware Analysis (SAMA) 

      Bermejo-Higuera, Javier; Abad-Aramburu, Carlos; Bermejo Higuera, Juan Ramón; Sicilia Urban, Miguel Ángel; Sicilia, Juan Antonio (Applied Sciences, 02/2020)
      Malware threats pose new challenges to analytic and reverse engineering tasks. It is needed for a systematic approach to that analysis, in an attempt to fully uncover their underlying attack vectors and techniques and find ...
    • The application of a new secure software development life cycle (S-SDLC) with agile methodologies 

      Vicente Mohino, Juan de ; Bermejo-Higuera, Javier ; Bermejo Higuera, Juan Ramón ; Sicilia, Juan Antonio (Electronics (Switzerland), 2019)
      The software development environment is focused on reaching functional products in the shortest period by making use of the least amount of resources possible. In this scenario, crucial elements such as software quality ...
    • The application of blockchain algorithms to the management of education certificates 

      Maestre, Raúl Jaime; Bermejo-Higuera, Javier; Gámez, Nádia; Bermejo Higuera, Juan Ramón; Sicilia, Juan Antonio; Orcos, Lara (Evolutionary Intelligence, 2023)
      Blockchain is a new application technology in many sectors and the same is true in the world of education. Therefore, there is an increasingly emerging need to research blockchain technology, as it is still taking its first ...
    • Vaccine Hesitancy on Social Media: Sentiment Analysis from June 2011 to April 2019 

      Piedrahita-Valdés, Hilary; Piedrahita Castillo, Diego ; Bermejo-Higuera, Javier ; Guillem-Saiz, Patricia; Bermejo Higuera, Juan Ramón ; Guillem-Saiz, Javier; Sicilia, Juan Antonio ; Machío-Regidor, Francisco (Vaccines, 01/2021)
      Vaccine hesitancy was one of the ten major threats to global health in 2019, according to the World Health Organisation. Nowadays, social media has an important role in the spread of information, misinformation, and ...
    • Weaker conditions for inexact mutitpoint Newton-like methods 

      Argyros, Ioannis K; Magreñán, Á. Alberto; Moreno-Mediavilla, Daniel ; Orcos, Lara ; Sicilia, Juan Antonio (Journal of Mathematical Chemistry, 01/2020)
      In this paper we study the problem of analyzing the convergence both local and semilocal of inexact Newton-like methods for approximating the solution of an equation in which there exists nondifferentiability. We will ...