David Johansson has 10 years of experience in software security, working as a consultant for several different companies. A large part of his work has been focused on secure software development in general and web security in particular. He has trained hundreds of developers and testers in various security courses, and presented talks at conferences such as OWASP AppSec EU (2017), InfoSecurity Europe (2015), and (ISC)2 Security Congress EMEA (2014). David lives in London (UK) where he works as an Associate Principal Consultant for Synopsys Software Integrity Group (formerly Cigital).