Gustavo is Ph.D. (software security) and M.Sc. (intrusion detection) in Information System Security as well as Bachelor in Computer Science. He has worked in security projects for the Brazilian Government for many years involving software programming, network and systems administration, computer and network security, application and network penetration testing, software security assessments, code review, malware analysis, intrusion detection, forensics analysis and others activities. During that time, he has also worked as security professor at college and postgraduate by teaching subjects about network and information security. In the beginning, he used to work as software developer and system administrator. However, the last years were dedicated to security consulting on areas aforesaid. Nowadays, he works as Security Analyst at Dell Brazil and Security Professor at UNISINOS University besides being Porto Alegre OWASP Chapter Leader and Founder.