Buzzwords about Agile are flying around in overwhelming speed, talks about Scrum, Kanban, XP and other methodologies and practices are thoroughly discussed while security is still left as a 'high level' talk or sometimes as understanding how to adapt from traditional development methodologies. Some best practices will leave you scratching your head, unsure what was the original intention and without understanding how to implement security in Agile, effectively. This lecture will bring the all the undocumented failures during such process, and best ways of avoiding them prior to experiencing them.