Luiz "effffn" Eduardo is a security consultant, researcher and hacker who's been around the corporate world around the globe for almost 20 years.

He's somewhat known in the hacker community for helping with the wireless networks at your favorite security cons and is the founder and one of the organizers of the YSTS security conference in Brazil.

Throughout his career Luiz has worked with possibly all types of networking technologies on the enterprise and service provider sectors, as well the security around these technologies and also has been a speaker at security events around the globe including: DefCon, ShmooCon, LayerOne, Toorcon, H2HC, HitB Malaysia and others. You can follow Luiz on Twitter as well.