René de Sain (renniepak)
Experienced ethical hacker and full-time bug bounty hunter specializing in XSS, client-side attack techniques and CSP bypasses; former security developer at bol.com and known in the community as renniepak.
Best podcasts with René de Sain (renniepak)
Ranked by the Snipd community
Mar 12, 2025 • 54min
How to become an XSS expert with renniepak
René de Sain, known as renniepak, is an experienced ethical hacker and full-time bug bounty hunter specializing in XSS. In this engaging discussion, he shares insights on the realities of bug bounty life, the significance of XSS, and his unique postMessage hunting techniques. René emphasizes the importance of workflow optimization using JavaScript bookmarklets and manual tools. He also delves into emerging threats in Web3 and the thrill of discovering access control vulnerabilities. His future goals include exploring backend targets and enhancing his research impact.
