One of my interest is pointed in share my knowledge and experiences. In these years, I had the opportunity and the honor to be accepted in several congresses as speaker. Here, you can find the slides, videos, demos, papers and other press clipping that maybe can be of your interest.

Your Digital Footprint: How Algorithms Perceive You

A different intervention than usual, in which privacy and identity are discussed as two sides of the same coin. This talk highlights the balance we must strike between the digital services we consume and the consequences of surrendering our data to them.

Digital self-defense: Microphone Jammers

The more sensors around us, the less certainty of our privacy. Against spying... self-defense and against microphones... jammers. self-defense and against microphones... jammers. Would you like to know how to build a portable microphone jammer that can be worn on the wrist?


Cybersecurity 101

Cybersecurity may be something complex to define when you are an SME. It is even harder if you must plan it inside a budget because of its economic cost. In this talk, I introduce cybersecurity focusing in which objectives should be implemented first and which ones, I think, have better cost-efficiency in the security and resiliency of the company.

Passwordless: No password security paradigm

BBVA Next Technologies has celebrated in style the international cybersecurity day sharing their knowledge about new technologies and cybersecurity. In this presentation, I talk about how to integrate passwordless in an organization and the considerations we have to keep in mind.

Self Sovereign Identity: Extended version

After the talk about SSID in @esLibre_, there was people asking for more. This talk doubles the slides of the last one and expand the SSID concept. Here, I talk about formative resources and the market´s momentum.

ASSAP: Anti Shoulder Surfing Attack Platform

This year I talked twice in @esLibre_. In this second talk, I exposed ASSAP (You can find it in this web´s projects section). ASSAP is an open sourced software developed to be easy to use with the objective of preventing shoulder surging attacks.

Self Sovereign Identity, identity under people´s control

This year, @inter_ferencias couldn´t celebrate its event, but the managed to stream the talks thanks to @esLibre_ congress in their own track. In this conference, I speak about SSID, a technology that gives users the possibility to store and manage their personal information in third party services.

Construyendo tu aplicación passwordless

After the las post about passwordless, we continue working in this technology line about FIDO2, a standard that allows build a web application compatible with the mayority of the browsers and authenticate us througth a dactilar sensor in our smartphone or laptop.


Passwordless: The passwords end

Passwords are not a guaranty of security. Althougth, there is not a definitive method in the user or services authentication, passwordless is another step in order to improve security and usability. Are we in the start of the end of password authentication?


Self Sovereign Identity Identidad centralizada bajo el control del usuario

We live surrounded by hundreds of credentials. A bad management, by users or providers, is a risk for our privacy and keeping them safe suppose a big cost.

¡Y se ARmó la Marimorena! Seguridad en Realidad Aumentada

Augmented Reality (AR) is a technology that allows us to show digital objects inside the physical reality using a special set of glasses or a smartphone. This appealing technology is closer than ever and in this workshop we would like to anticipate the future in an exercise of innovation.

Cybersecurity module in Quality, Audit and Security subject

External teacher in Valladolid University. This is the Quality, audit and security module of the Big Data Master degree. I talked about basic concepts of security and audit metodologies focused in projects with big amounts of data.

Análisis de seguridad de asistentes virtuales

Tizona addresses the issue of cybersecurity in industrial environments. Following my usual topics, I talked about smart assistants. Right now this kind of devices are not present in this kind of places, but it isn’t uncommon thinking about a near future where people are using this type of interfaces in order to manage complex tasks in the industry.


Project Alias, privacy in virtual voice assistants

Privacy and voice assistans are not good friends. This is causing the creation of projects like Alias. This “parasites” taken control of the voice assistants helping to protect user privacy. Is this the final solution?

¿Qué hay detrás de los mayordomos virtuales?

A talk prepared to teach children about the dangers of the virtual voice assistants like Alexa or Siri and some basic concepts about privacy. This talk uses Batman`s Lego Film as metaphor.

Espías domésticos: Una charla sobre asistentes de voz virtuales

This weekend I went Granada to speak in JASyP (Jornadas de Anonimato, Seguridad y Privacidad) about Virtual Voice Assistants. If you are near Granada or yo are curious about security and privacy, I recommend you to contact with the organization behind this event, @inter_ferencias.


Introducción a los mecanismos de privacidad basados en tecnología blockchain

There are several new cryptocoins in the market. Some of them have innovative properties which could change the market. In this document, the most important alternatives has been low level analyzed.

Phreaking is alive! Abusing GSM: Covert channels using AT commands

From the '60s and '70s, the hacker community started to design tools and procedures in order to take advantage of telephone networks (such as blue boxes, phreaking, etc.). These oldschool hacking stuff is coming back with the commercialitation of cheap open hardware which establish new threats.


Tendencias en Certificación Digital

Certificate transparency is a change in the traditional digital certification mechanisms. Maybe it is not obvious for an user but companies like Google are going to force, througth this technology, how the big actors in the certification market should work.

Desconfiando de la Autoridad, Certificate Transparency

Voice assistans are trendy and now are in our homes. These devices has a big number of possibilites and permit automatice our houses in an easy way. Althougth, it is not clear if having microphones in active listening non-stop sorounding us is worthy of it.