Daniel Marques is a senior security consultant at Ernst & Young, working mainly with penetration testing and vulnerability assessments. With over eight years of experience within the information security field, ranging from cryptography to network security, Daniel has delivered engagements for industry leaders and has spoken at conferences like: SBSeg and Co0L BsidesSP, presenting security-related research. In his spare time, he teaches network security and Linux post-graduate courses. Daniel holds a bachelor's degree in computer science from Universidade Federal Fluminense (UFF) and LPIC-2.