Esteban Martínez Fayó is a security researcher; he has discovered and helped to fix multiple security vulnerabilities in major vendor software products. He specializes in application security and is recognized as the discoverer of most of the vulnerabilities in Oracle server software. Esteban has developed and presented novel database attack techniques at international conferences such as Black Hat, WebSec, NcN and ekoparty. Esteban currently works for Argeniss doing information security research and developing security related software solutions.