Rodolfo Assis aka "@BRuteLogic" or just "Brute", is a self-taught computer hacker from Brazil with 15+ years of experience in the CyberSecurity field, currently working as a self-employed CyberSecurity researcher and consultant.

Best known for providing hacking related content in Twitter in the last 10+ years, nowadays his main interest and research involves Cross Site Scripting (XSS), the most widespread security flaw in the web, which made him help to fix more than 1000 XSS vulnerabilities in web applications worldwide.

Brute is also managing, maintaining and developing KNOXSS, an online XSS PoC tool that have helped pentesters and several bug hunters to find bugs and get rewarded, as well as his blog Brute XSS and older versions of this very ebook.

"Don’t learn to hack, #hack2learn".