Luis Delgado is a security researcher working in all kind of stuff. He is interested in Web&IM security, wireless protocols and android security&development. He is a regular writer on Security by Default (http://www.securitybydefault.com), one of the most important spanish security blogs and has published many vulnerabilities and research papers that have ranged from messaging protocols security to the Android market security measures. He works as a freelance auditor for defense sector, financial institutions and major ISPs. He is currently finishing the Telecommunication Engineering studies at Universidad Politécnica de Madrid (UPM)