Sparc Flow is a computer security expert specializing in ethical hacking who has presented his research at international security conferences like Black Hat, DEF CON, Hack In The Box, and more. While his day job consists mainly of performing penetration tests against companies (a form of legal attack) and showing them how to patch security vulnerabilities, his passion remains writing and sharing security tools and techniques. Sparc Flow has self-published several books in this series to reader acclaim. Sparc Flow has released several books that describe his pentesting/hacking adventures: How to Hack Like a Pornstar, How to Hack Like a GOD, How to Investigate Like a Rockstar, How to Hack Like a LEGEND.