Ryan "ElfMaster" O'Neill, has been in the security scene since about 1997. Ryan is well known for authoring the book "Learning Linux binary analysis" and for publishing many papers and technologies in the realm of binary protection, memory forensics, exploitation, security mitigations, virus design, kernel hacking and reverse engineering techniques. Ryan has been published in many of the classic journals such as Phrack, POC||GTFO, tmp.0ut and vxheaven. Much of Ryan's independent research has been published over the years on https://www.bitlackeys.org, and has many public technologies available on https://github.com/elfmaster. Ryan is also the founder of Arcana technologies https://arcana-technologies.io, a threat detection company based heavily on ELF forensics research. Ryan is currently building a new ELF binary patching system for Linux to solve the worlds hardest challenges in binary patching today.