Jose Miguel Esparza is a security researcher who has been working as an e-crime analyst for more than 6 years, focused on botnets, malware, and Internet fraud. During the last few years he worked at S21sec e-crime, but recently joined the Fox-IT Cybercrime team in The Netherlands.
Author of some exploits and analysis tools like Malybuzz and peepdf (http://peepdf.eternal-todo.com). He is also a regular writer on eternal-todo.com (http://eternal-todo.com) about security and threats in Internet, and has taken part in several conferences, e.g. RootedCon (Spain), NcN (Spain), CARO Workshop (Czech Republic), Source Seattle (USA) and Black Hat (The Netherlands / USA).
You can easily find him on Twitter @EternalTodo talking about security.