Integration of Auditive and Visual Feedback in the Design of Interfaces for Security Applications Jaime Muñoz 1 , Ricardo Mendoza 1 , Francisco Álavarez 1 , Miguel Vargas Martin 2 , Alberto Ochoa 3 1 Universidad Autónoma de Aguascalientes, Centro de Ciencias Básicas, Av. Universidad 940, 20100 Ciudad Universitaria Aguascalientes, México. Email: mendozagric@yahoo.com.mx, {jmunozar, fjalvar}@correo.uaa.mx, 2 University of Ontario Institute of Technology, 2000 Simcoe St. N. Oshawa, Canada, L1H7K4. Email: miguel.vargasmartin@uoit.ca 3 Instituto Tecnológico de León. Av. Tecnológico S/N Fracc. Ind. Julián de Obregón. C.P. 37290 Apdo. Postal No. 1-857 C.P. 37000 León, Gto. México. Email: megamax8@hotmail.com Abstract. A well-designed user interface is important for security applications, but it is critical if the adequate use, and the effectiveness of security features, depend on it. Currently, many criteria are available to facilitate the design of a user interface, like the new HCI-S or Security Human Computer Interaction, which is focused in the design of user interfaces for security applications. Similar approaches have emerged recently, such as the use of sonification alerts to notify to the users about malicious attacks either in real time or during the analysis of network logs, in forensics. We present a guide to design an adequate security information feedback, applying the HCI-S criteria to establish the visual notifications, and complementing it with auditive alerts to achieve a better feedback. Keywords: Feedback, HCI-S, sonification, Malicious Attacks. 1 Introduction From a computer science perspective, human-computer interaction (HCI) deal with the interaction between one or more humans and one or more computers using the user interface of a program [1]. The concepts of traditional HCI can be used to design the interface or improve some interface currently available, considering aspects like the usability, which determines the ease of use of a specific technology, the level of effectiveness of the technology according to the needs of the user, and the satisfaction of the user with the results obtained by the use of a specific technology by means of performing specific tasks [2]. Security HCI (HCI-S) has recently being introduced (see e.g., Johnston et al. [3]). The concept of HCI-S modifies and adapts the concepts of the traditional HCI to focus in aspects of security and to find how to improve security through the elements of the interface. A standard definition of the HCI-S is inexistent in the current