Yago Hansen tells his opinion in this article in the newspaper El Mundo. They are capable, yes, but they raise their profession of hackers from an ethical point of view and not cybercriminal. “If you want to know about security, you have to know how a thief acts,” Hansen said in a recent interview. This is one of the main ideas that you want to convey in the Hacker World 2015 that is celebrated until today in Madrid.