Publication: Aplicación de watermarking para la detección de spam
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2020
Defense date
2020-07
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Abstract
Actualmente, la comunicación entre los millones de personas de todo el mundo se realiza mediante medios digitales, entre ellos el correo electrónico. Tanto en la sociedad en general como a nivel empresarial, el uso del correo electrónico está muy extendido. En concreto, especialmente en lo relativo a las empresas, es importante que este medio sea seguro, fiable y de confianza, pues mucha de la información intercambiada es sensible. Este hecho unido a los continuos ciberataques, por ejemplo, comenzando por campañas de spam, hace que sea necesario buscar una solución al problema. En concreto, en este trabajo se desarrolla una aplicación para la detección de spam mediante la verificación de la autenticación del emisor del correo, utilizándose para ello un algoritmo de watermarking. Esto supone una protección frente a un problema muy común, como es la recepción masiva de correos spam en empresas. Para este proyecto, se selecciona un tipo de algoritmo de watermarking específico llamado Zero-Watermarking. Los clientes y las empresas intercambian correos electrónicos, de modo que cada uno de ellos debe añadir una marca de agua para asegurar que los emisores son quien dicen ser y no fuentes fraudulentas. Este proceso de verificación lo realiza una entidad externa.
Currently, communication among millions of people around the globe is done via email. Both individuals and companies use it. Especially regarding companies, it is important that the exchange of information stays safe, reliable, and trustworthy. This fact together with the cyber-attacks evolving and upgrading, for example, starting with spam campaigns, makes it necessary to find a solution to this problem. This project develops an application to detect spam by verifying the authentication of the sender of the email, using a watermarking algorithm for this. This can solve a major problem, the massive reception of malicious spam emails in companies. For this project, a specific type of watermarking algorithm called Zero-Watermarking is selected. The algorithm used will make sure that every time a user sends an email, there will be a watermark added to the message. The authenticity of the email can be verified thanks to the watermark previously generated. This verification is carried out by an external entity.
Currently, communication among millions of people around the globe is done via email. Both individuals and companies use it. Especially regarding companies, it is important that the exchange of information stays safe, reliable, and trustworthy. This fact together with the cyber-attacks evolving and upgrading, for example, starting with spam campaigns, makes it necessary to find a solution to this problem. This project develops an application to detect spam by verifying the authentication of the sender of the email, using a watermarking algorithm for this. This can solve a major problem, the massive reception of malicious spam emails in companies. For this project, a specific type of watermarking algorithm called Zero-Watermarking is selected. The algorithm used will make sure that every time a user sends an email, there will be a watermark added to the message. The authenticity of the email can be verified thanks to the watermark previously generated. This verification is carried out by an external entity.
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Keywords
Correo electrónico, Spam, Autenticación, Zero-watermarking, Marca de agua