R.J. McDown (BeetleChunks) is a computer scientist who has made a career out of hacking into numerous fortune 500 companies through consulting red team engagements and penetration tests. R.J. is an avid Python and C/C++ developer who has created custom tools for bypassing leading EDR solutions and OS based monitoring, including a tool released at DerbyCon 7 called RedSails. Every now and then R.J. turns his focus to developing fuzzing harnesses, which has led to the discovery of critical zero-day vulnerabilities in popular applications including Microsoft Outlook (CVE-2019-1199) and ManageEngine OpManager (CVE-2020-12116).